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Electrification, Traction and Power Supply

ABB-AC and DC Surge Arresters for Railway Applications

The Swiss Federal Railway (SBB) uses ABB railway arresters.
The Swiss Federal Railway (SBB) uses ABB railway arresters. 		An overview of ABB railway arresters with specific data.
An overview of ABB railway arresters with specific data. 		The ABB surge arresters have been widely used in both AC and DC railway applications.
The ABB surge arresters have been widely used in both AC and DC railway applications.
POLIM-H .. ND are designed for DC railway applications and can be mounted either on the locomotives or in the overhead lines.
POLIM-H .. ND are designed for DC railway applications and can be mounted either on the locomotives or in the overhead lines. 		Voltage limiting device for use in DC traction systems, for personal protection (touch voltages) and protection of equipment (over-voltage protection).
Voltage limiting device for use in DC traction systems, for personal protection (touch voltages) and protection of equipment (over-voltage protection).

Absopulse-Rugged AC-DC and DC-DC Converters for Railway Applications

High-density, fully encapsulated, rugged DC-DC converter.Single or dual output. Operating temperature range: -40°C to +85°C.
High-density, fully encapsulated, rugged DC-DC converter.Single or dual output. Operating temperature range: -40°C to +85°C. 		AC-DC or DC-DC plug-in modules in Eurocard format for rack-mount power systems.
AC-DC or DC-DC plug-in modules in Eurocard format for rack-mount power systems. 		Rugged, conduction cooled AC / DC power supply operates to full specification within a -40°C to +70°C cold-plate temperature range in EMI sensitive applications.
Rugged, conduction cooled AC / DC power supply operates to full specification within a -40°C to +70°C cold-plate temperature range in EMI sensitive applications.
Low profile, conduction cooled inverter delivers 1,000VA sine wave voltage. Ruggedized to withstand high levels of shock, vibration, humidity and moisture.
Low profile, conduction cooled inverter delivers 1,000VA sine wave voltage. Ruggedized to withstand high levels of shock, vibration, humidity and moisture. 		DC-input back-light inverter for LCD displays: rugged, constant current output, low EMI and wide dimming ranges. Excellent thermal management.
DC-input back-light inverter for LCD displays: rugged, constant current output, low EMI and wide dimming ranges. Excellent thermal management.

Alpha Elektrotechnik-Middle and High Voltage Traction Systems and Accessories

The total dependence of industrial civilization on electricity inspires Alpha Elektrotechnik to create and develop durable, effective, safe products
The total dependence of industrial civilization on electricity inspires Alpha Elektrotechnik to create and develop durable, effective, safe products 		Alpha Elektrotechnik develops and produces medium voltage systems for railway electric distribution.
Alpha Elektrotechnik develops and produces medium voltage systems for railway electric distribution. 		The jumper, a cable equipped with quick-coupling connectors, ensures distribution of energy between motor coaches and cars.
The jumper, a cable equipped with quick-coupling connectors, ensures distribution of energy between motor coaches and cars.
In the field of disconnectors, Alpha Elektrotechnik specialises in the middle and high voltage range (24kV to 550kV).
In the field of disconnectors, Alpha Elektrotechnik specialises in the middle and high voltage range (24kV to 550kV). 		Along side development and production, Alpha Elektrotechnik also ensures the resumption, modification, maintenance and renewal of old disconnectors.
Along side development and production, Alpha Elektrotechnik also ensures the resumption, modification, maintenance and renewal of old disconnectors.

ALSTOM-Power Supply to Substations and Catenaries

Power supply for traction network. ALSTOM supplies medium and low voltage AC energy networks for transport systems.
Power supply for traction network. ALSTOM supplies medium and low voltage AC energy networks for transport systems. 		Power supply substations. ALSTOM supplies energy to AC single to 3 phase substations, mostly for main lines, and AC to DC substations, mostly for interurban and urban transport.
Power supply substations. ALSTOM supplies energy to AC single to 3 phase substations, mostly for main lines, and AC to DC substations, mostly for interurban and urban transport. 		Catenary equipment installation. ALSTOM is capable of anything from basic catenary design, through to detailed design engineering.
Catenary equipment installation. ALSTOM is capable of anything from basic catenary design, through to detailed design engineering.

Arthur Flury-Material for Overhead Contact Lines

An overhead view of Arthur Flury AG.
An overhead view of Arthur Flury AG. 		Conical couplers, forked collar sockets, droppers, splices and special clamps are part of the Arthur Flury product line.
Conical couplers, forked collar sockets, droppers, splices and special clamps are part of the Arthur Flury product line. 		Arthur Flury provides earthing material for overhead contact lines
Arthur Flury provides earthing material for overhead contact lines
A section insulator for AC/DC systems.
A section insulator for AC/DC systems. 		High-standard copper alloys for cold-forming processes.
High-standard copper alloys for cold-forming processes.

Atlas Rail Components-Overhead Line Electrification Equipment

Atlas Rail specialise in the design and manufacture of components and assemblies for overhead line electrification solutions.
Atlas Rail specialise in the design and manufacture of components and assemblies for overhead line electrification solutions. 		Overhead line equipment for light rail.
Overhead line equipment for light rail. 		Overhead line electrification for heavy rail.
Overhead line electrification for heavy rail.
Overhead line equipment for trolley bus.
Overhead line equipment for trolley bus. 		Overhead power transmission and catenary lighting systems.
Overhead power transmission and catenary lighting systems.

BEVEL Power Systems-Battery Back-Up Power Supplies, Battery Chargers, Batteries and Train Shore Supplies

A 24V 20A battery charger.
A 24V 20A battery charger. 		Dual depot shore supply.
Dual depot shore supply. 		Bevel mobile battery charger.
Bevel mobile battery charger.
110V 10A power supplies.
110V 10A power supplies. 		Dual charge discharge unit.
Dual charge discharge unit.

Cegasa International-Air-Alkaline Primary Batteries

CEGASA Air-Alkaline Industrial Batteries for railway signalling applications.
CEGASA Air-Alkaline Industrial Batteries for railway signalling applications. 		CEGASA AIR-ALKALINE batteries have the best energy cost you will find in the market.
CEGASA AIR-ALKALINE batteries have the best energy cost you will find in the market. 		CEGASA Air-Alkaline AS10 Batteries offer exeptional energy density compared with other batteries.
CEGASA Air-Alkaline AS10 Batteries offer exeptional energy density compared with other batteries.
CEGASA Air-Alkaline AS8 Batteries are Mercury and Cadmium free with less waste disposal volume.
CEGASA Air-Alkaline AS8 Batteries are Mercury and Cadmium free with less waste disposal volume. 		CEGASA Air-Alkaline AS6 Batteries - designed to power the latest safety critical applicatons.
CEGASA Air-Alkaline AS6 Batteries - designed to power the latest safety critical applicatons.

Electrotechnical Institute-Propulsion Power Converters, Auxiliary Traction Converters and Vehicle Control Systems

The electric traction department is a part of the Electrotechnical Institute and was founded in 1946.
The electric traction department is a part of the Electrotechnical Institute and was founded in 1946. 		The company produces propulsion power converters, auxiliary traction converters, vehicle control systems and other electrical equipment for tramcars, trolleybuses, high power and shunting locomotives, local trains, rail buses and light trains.
The company produces propulsion power converters, auxiliary traction converters, vehicle control systems and other electrical equipment for tramcars, trolleybuses, high power and shunting locomotives, local trains, rail buses and light trains. 		The Electrotechnical Institute also runs its own R&D department, which works in several fields of traction including power converters, electrical machines and stray current analysis.
The Electrotechnical Institute also runs its own R&D department, which works in several fields of traction including power converters, electrical machines and stray current analysis.
We design and manufacture equipment for new production and refurbishment of traction vehicles.
We design and manufacture equipment for new production and refurbishment of traction vehicles. 		Products currently being studied by our R&D team include a new type of high power traction drive (propulsion), onboard static / auxiliary converters, stray current analysis and cathodic corrosion protection.
Products currently being studied by our R&D team include a new type of high power traction drive (propulsion), onboard static / auxiliary converters, stray current analysis and cathodic corrosion protection.

Enersys-Evo Rail Batteries, Perfect Rail Batteries and Ni-Cd Batteries

Whether you require evo rail batteries, perfect rail batteries or Ni-Cd single-cells with pocket plate technology or sinter technology, we have battery technology to suit you.
Whether you require evo rail batteries, perfect rail batteries or Ni-Cd single-cells with pocket plate technology or sinter technology, we have battery technology to suit you. 		Hawker’s evo rail batteries eliminate the possibility of environmentally-damaging electrolyte leakage and thus rarely experience faults.
Hawker’s evo rail batteries eliminate the possibility of environmentally-damaging electrolyte leakage and thus rarely experience faults. 		Hawker’s perfect rail battery connections ensure problem-free and easy battery replacement.
Hawker’s perfect rail battery connections ensure problem-free and easy battery replacement.

ENIKA-Electronic Equipment and Power Converters for Rail and Tram Rolling Stock

Static converter for CITYRUNNER tram car.
Static converter for CITYRUNNER tram car. 		Static converter with two fans for 105N2K tram car.
Static converter with two fans for 105N2K tram car. 		Static converter 3,000VDC / 110VDC for train.
Static converter 3,000VDC / 110VDC for train.
12-pulse rectifier 1,800A - power supply for 600VDC traction.
12-pulse rectifier 1,800A - power supply for 600VDC traction. 		Air conditioning unit for tram car.
Air conditioning unit for tram car.

EPCServices-Railway Electrical Engineering Consultancy

DC traction substation approaching completion on the Network Rail power supply upgrade project.
DC traction substation approaching completion on the Network Rail power supply upgrade project. 		Isolation transformer at the AC-DC interface at Ashford International passenger station on the Channel Tunnel Rail Link project.
Isolation transformer at the AC-DC interface at Ashford International passenger station on the Channel Tunnel Rail Link project. 		DC switchgear replacement at Ashford Substation on the Channel Tunnel Rail Link project.
DC switchgear replacement at Ashford Substation on the Channel Tunnel Rail Link project.
Commissioning a 33kV gas-insulated vacuum circuit breaker at Elmers End substation on the Network Rail asset renewals project.
Commissioning a 33kV gas-insulated vacuum circuit breaker at Elmers End substation on the Network Rail asset renewals project.

Flexlink Engineers-Railway Power Converters

The Flexlink 900W DC is a cost effective, medium output converter that is fully compliant with all rail specifications.
The Flexlink 900W DC is a cost effective, medium output converter that is fully compliant with all rail specifications. 		Railway 110V DC electronic ballast/ florescent inverter.
Railway 110V DC electronic ballast/ florescent inverter. 		LED tail lights for rolling stock have a vastly improve MTBF compared to incandescent light bulbs.
LED tail lights for rolling stock have a vastly improve MTBF compared to incandescent light bulbs.
Series motor test stand.
Series motor test stand. 		Multi-purpose motor test stand.
Multi-purpose motor test stand.

Furrer+Frey-Overhead Contact Lines

The Overhead Conductor Rail, for use in tunnels, underground stations, maintenance halls, moveable bridges and loading areas.
The Overhead Conductor Rail, for use in tunnels, underground stations, maintenance halls, moveable bridges and loading areas. 		Furrey+Frey's Light Rail System, LIRACOS, with fully insulated cantilevers and ropes.
Furrey+Frey's Light Rail System, LIRACOS, with fully insulated cantilevers and ropes. 		The Hinged Cantilever System, FL 200/FL 260, here with stainless steel cantilevers on gantry beams in station area.
The Hinged Cantilever System, FL 200/FL 260, here with stainless steel cantilevers on gantry beams in station area.
Trolley bus line with extra long cantilevers.
Trolley bus line with extra long cantilevers. 		Installation works on moveable conductor rail in the new maintenance hall of Swiss Federal Railways in Geneva. Each moveable section is 125 m long and the whole installation covers 1,000m of track.
Installation works on moveable conductor rail in the new maintenance hall of Swiss Federal Railways in Geneva. Each moveable section is 125 m long and the whole installation covers 1,000m of track.

GIFAS-ELECTRIC-Railway Power Supply Devices

Clamping box for signal lighting.
Clamping box for signal lighting. 		Clamping box for track switch heating.
Clamping box for track switch heating. 		Energy pollard.
Energy pollard.
Sub-ground power supply.
Sub-ground power supply.

Glenair-Electrical and Fibre Optic Interconnection Solutions

Glenair is able to supply the rail industry with a comprehensive range of cost-cutting electrical interconnection components and systems, such as ruggedised, sealed moulded harness assemblies.
Glenair is able to supply the rail industry with a comprehensive range of cost-cutting electrical interconnection components and systems, such as ruggedised, sealed moulded harness assemblies. 		Metal and polymeric conduits and fittings. These offer excellent EMI protection, from simple grounding to Tempest Secure communications, compatible with virtually every type of connector.
Metal and polymeric conduits and fittings. These offer excellent EMI protection, from simple grounding to Tempest Secure communications, compatible with virtually every type of connector. 		Metal and composite backshells. For overall shield termination, Glenair backshells provide full 360° peripheral grounding of the shield.
Metal and composite backshells. For overall shield termination, Glenair backshells provide full 360° peripheral grounding of the shield.
Wired, terminated and tested cable harness assemblies. Glenair's expertise in the design and fabrication of high-reliability interconnect systems is unequalled in our industry.
Wired, terminated and tested cable harness assemblies. Glenair's expertise in the design and fabrication of high-reliability interconnect systems is unequalled in our industry. 		Reliable, cost-effective earth bond terminations. Glenair provides a controlled method to terminate AC/DC and signal connectors to rail in all conditions with no pre-heating, cleaning or impact to the rail.
Reliable, cost-effective earth bond terminations. Glenair provides a controlled method to terminate AC/DC and signal connectors to rail in all conditions with no pre-heating, cleaning or impact to the rail.

Grau-Voltage Converters and Battery Chargers

Grau Elektronik's railway voltage converters and battery chargers include DC/DC converters.
Grau Elektronik's railway voltage converters and battery chargers include DC/DC converters. 		Our high-frequency switching DC/DC converters with 250W output power are designed for railway and mobile applications.
Our high-frequency switching DC/DC converters with 250W output power are designed for railway and mobile applications. 		Our high-input voltage converters supply electronic railway board equipment from overhead lines.
Our high-input voltage converters supply electronic railway board equipment from overhead lines.
We supply EN 50155 and EN 50121-3-2 certified DC/DC converters.
We supply EN 50155 and EN 50121-3-2 certified DC/DC converters.

IEC Holden-Traction Motors and Components

We offer build-to-print manufacturing services for squirrel cage AC and DC motors from 100kW to 1.5MW, with capacity for larger sizes.
We offer build-to-print manufacturing services for squirrel cage AC and DC motors from 100kW to 1.5MW, with capacity for larger sizes. 		An in-house VPI with multiple tanks and resin types can effectively handle your specific VPI needs.
An in-house VPI with multiple tanks and resin types can effectively handle your specific VPI needs. 		IEC Holden is one of the largest coil manufacturers in North America.
IEC Holden is one of the largest coil manufacturers in North America.
We cater to volume production runs of 1,000 units and more.
We cater to volume production runs of 1,000 units and more.

JAQUET-Speed Sensors and Signal Treatment for Railways

Sensors and diagnostics for diesel engines.
Sensors and diagnostics for diesel engines. 		IQ speed sensor with a safety relay to form a complete measurement chain.
IQ speed sensor with a safety relay to form a complete measurement chain. 		A typical full solution railway sensor – head, integral armoured cable and over moulded connector.
A typical full solution railway sensor – head, integral armoured cable and over moulded connector.
JAQUET's railway speed sensors feature a flexible construction approach.
JAQUET's railway speed sensors feature a flexible construction approach.

Lamifil-Contact Wires and Cables for Catenary Systems

In 1999 Lamifil started supplying catenary wires for the Thalys and Eurostar high-speed lines connecting Brussels to several main European cities.
In 1999 Lamifil started supplying catenary wires for the Thalys and Eurostar high-speed lines connecting Brussels to several main European cities. 		Our first delivery for the French high-speed network was in 2001; today we are one of SNCF's main suppliers for copper and copper magnesium catenary wires used for all travelling speeds.
Our first delivery for the French high-speed network was in 2001; today we are one of SNCF's main suppliers for copper and copper magnesium catenary wires used for all travelling speeds. 		Depending on the type of lines (heavy traffic, normal operation, high-speed lines, etc) different sections or different alloys can be supplied.
Depending on the type of lines (heavy traffic, normal operation, high-speed lines, etc) different sections or different alloys can be supplied.
Deliveries of copper-magnesium catenary wires for Spanish high-speed lines have included contact wires for the high-speed lines connecting Cordoba to Malaga, Lleida to Barcelona, Madrid to Segovia and Figueras to Perpignan.
Deliveries of copper-magnesium catenary wires for Spanish high-speed lines have included contact wires for the high-speed lines connecting Cordoba to Malaga, Lleida to Barcelona, Madrid to Segovia and Figueras to Perpignan. 		For each type of railway line, Lamifil can offer the right solution.
For each type of railway line, Lamifil can offer the right solution.

LECHMOTOREN-Electrical Power Units for Railway Vehicles

Traction genset, 2MW.
Traction genset, 2MW. 		Auxiliary genset, 25kVA.
Auxiliary genset, 25kVA. 		Traction generator, 1,500kW.
Traction generator, 1,500kW.
Auxiliary generator, 250kW.
Auxiliary generator, 250kW. 		Auxiliary Power Unit (APU), 100kW.
Auxiliary Power Unit (APU), 100kW.

LPI-Lightning-Strike Protection Equipment

LPI's direct-strike lightning protection air terminals and accessories.
LPI's direct-strike lightning protection air terminals and accessories. 		Our earth-enhancing compounds, electrodes, conductors, bonds and accessories.
Our earth-enhancing compounds, electrodes, conductors, bonds and accessories. 		We supply the EXOWELD range of exothermic welding and bonding equipment.
We supply the EXOWELD range of exothermic welding and bonding equipment.
Transient and surge protection products for power supplies.
Transient and surge protection products for power supplies. 		Our products can protect data, communications and signalling lines.
Our products can protect data, communications and signalling lines.

Martek Power-Railway AC/DC Power Supplies, DC/DC Converters and DC/AC Inverters

The MPF 35W is a TL5 tubes technology small size converter for fluorescent tubes (7W, 16W and 35W).
The MPF 35W is a TL5 tubes technology small size converter for fluorescent tubes (7W, 16W and 35W). 		The MPF80W railway standards compliant halogen lamp lighting converter (non-isolated DC/DC converter) is for use inside train vans and locomotive cabins.
The MPF80W railway standards compliant halogen lamp lighting converter (non-isolated DC/DC converter) is for use inside train vans and locomotive cabins. 		MPF 420W converter (non-isolated DC/DC converter) allows the adaptation of railway approved 72V input products into a 110V input.
MPF 420W converter (non-isolated DC/DC converter) allows the adaptation of railway approved 72V input products into a 110V input.
The 1kW railway application adaptor will transform 110VDC voltage into 72VDC.
The 1kW railway application adaptor will transform 110VDC voltage into 72VDC. 		The 3kVA railway application inverter provides 230VAC power to train passengers.
The 3kVA railway application inverter provides 230VAC power to train passengers.

Medcom-Power Electronics, Propulsion and Auxiliary Traction Converters

The FT-105-600 100kW traction inverter for asynchronous drives based on IGBT technology. The inverter system enables the drive to work with regulated torque, regenerative braking or rheostatic braking and has been equipped with an external air-cooling system. It can be built-up on the vehicle's roof.
The FT-105-600 100kW traction inverter for asynchronous drives based on IGBT technology. The inverter system enables the drive to work with regulated torque, regenerative braking or rheostatic braking and has been equipped with an external air-cooling system. It can be built-up on the vehicle's roof. 		FT-300-600 300kW traction inverter is designed to drive high-power suburban vehicles powered from the 600VDC / 750VDC traction.
FT-300-600 300kW traction inverter is designed to drive high-power suburban vehicles powered from the 600VDC / 750VDC traction. 		The PSM-50W 50kVA static converter is a multi-system converter designed to convert the DC and AC voltages used in the European railway traction into 24VDC, 3 × 400VAC and 230VAC, as needed in the low voltage systems of coaches.
The PSM-50W 50kVA static converter is a multi-system converter designed to convert the DC and AC voltages used in the European railway traction into 24VDC, 3 × 400VAC and 230VAC, as needed in the low voltage systems of coaches.
The PSM-26 26kVA static converter has been designed to convert the traction DC voltage of 3,000V into low DC voltages (110VDC and 24VDC) and the 3 × 400VAC AC voltage used in the low voltage installations of EMUs.
The PSM-26 26kVA static converter has been designed to convert the traction DC voltage of 3,000V into low DC voltages (110VDC and 24VDC) and the 3 × 400VAC AC voltage used in the low voltage installations of EMUs. 		MEDCOM has developed and supplied compact, lightweight inverters of 2,000kW total power for the new Polish EMU ED74 (ED59) based on high-voltage IGBTs.
MEDCOM has developed and supplied compact, lightweight inverters of 2,000kW total power for the new Polish EMU ED74 (ED59) based on high-voltage IGBTs.

MTM Power-Power Supplies for Industrial and Railway Applications

Series URC 50W and 75W DC/DC converter.
Series URC 50W and 75W DC/DC converter. 		Series SMM 50W converter.
Series SMM 50W converter. 		Series PCMD 250W and 400W primary switched DC/DC converter.
Series PCMD 250W and 400W primary switched DC/DC converter.
Series HVC 150W, 250W, 500W and 1,000W high voltage converter.
Series HVC 150W, 250W, 500W and 1,000W high voltage converter.

Multipulse-Specialist Contract Manufacturing and Engineering Services

On-site integrated outdoor BTS / base station cabinet system after SAT testing.
On-site integrated outdoor BTS / base station cabinet system after SAT testing. 		All assemblies and wiring harnesses are pre-tested, kitted and supplied to the depots for immediate installation.
All assemblies and wiring harnesses are pre-tested, kitted and supplied to the depots for immediate installation. 		We have manufactured a complete range of products for the TPWS programme, including control panels, terminal boxes, OTMR units and train test units.
We have manufactured a complete range of products for the TPWS programme, including control panels, terminal boxes, OTMR units and train test units.
Multipulse provides environmental and safety testing evaluations as a standard element of their turnkey project management service.
Multipulse provides environmental and safety testing evaluations as a standard element of their turnkey project management service. 		Our cell-based manufacturing processes allow us to be flexible and responsive, whether we are delivering one-off builds or mass-produced products.
Our cell-based manufacturing processes allow us to be flexible and responsive, whether we are delivering one-off builds or mass-produced products.

Pfleiderer Europoles-Catenary Poles for Urban Transit and Mainline Rail Traffic

Pfleiderer Europoles delivers catenary pole systems for expanding rail networks in accordance with the stipulations of Deutsche Bahn.
Pfleiderer Europoles delivers catenary pole systems for expanding rail networks in accordance with the stipulations of Deutsche Bahn. 		A total of 1,200 poles from the C-pole system by Pfleiderer Europoles were installed on the new high-speed rail line between Nuremberg and Ingolstadt in 2006.
A total of 1,200 poles from the C-pole system by Pfleiderer Europoles were installed on the new high-speed rail line between Nuremberg and Ingolstadt in 2006. 		A combination of a catenary pole and a lighting support – here in Leipzig as a rhombus-shaped steel pole.
A combination of a catenary pole and a lighting support – here in Leipzig as a rhombus-shaped steel pole.
The reflective signal film applied to these barrier poles causes incident light to be narrowly focussed and reflected without glare.
The reflective signal film applied to these barrier poles causes incident light to be narrowly focussed and reflected without glare.

pkag Paul Keller Engineers-Railway Electrification

The Lötschberg base tunnel in Switzerland.
The Lötschberg base tunnel in Switzerland. 		The VGB Glattalbahn in Switzerland.
The VGB Glattalbahn in Switzerland. 		The HTM Zichtenburg in the Netherlands.
The HTM Zichtenburg in the Netherlands.
Remote control for a catenary system in a railway station.
Remote control for a catenary system in a railway station. 		We have highly educated civil engineers on board to find the best solution for our customers.
We have highly educated civil engineers on board to find the best solution for our customers.

Polyamp AB-Train Low Voltage Supply

Polyamp has supplied switch mode DC/DC Converters to railway operators since 1973.
Polyamp has supplied switch mode DC/DC Converters to railway operators since 1973. 		The applications in train low voltage supply include auxiliary voltage for the GTO drive line, low voltage distribution such as battery chargers, 13.6V, 24V or 48V distribution, comfort voltage for passengers and equipment supply.
The applications in train low voltage supply include auxiliary voltage for the GTO drive line, low voltage distribution such as battery chargers, 13.6V, 24V or 48V distribution, comfort voltage for passengers and equipment supply. 		Polyamp provides DC/DC converters (insulated) from 40 to 1000W, switch regulators (un-insulated) from 500 to 6kW, battery chargers, battery charging computers and special DC/AC inverters.
Polyamp provides DC/DC converters (insulated) from 40 to 1000W, switch regulators (un-insulated) from 500 to 6kW, battery chargers, battery charging computers and special DC/AC inverters.
Stockholm Underground SL, V2000 supplied by Adtranz, Sweden. Polyamps, equipment supply typically covers radio and telecom systems, control and safety systems, lights, signs and air conditioning.
Stockholm Underground SL, V2000 supplied by Adtranz, Sweden. Polyamps, equipment supply typically covers radio and telecom systems, control and safety systems, lights, signs and air conditioning.

Power System Technology-Modular Power Converter for Railways

Designed for the hard environment of the railway, the PST00 and PST15 Eurocard families comply with EN50155 standards for transients and EMI.
Designed for the hard environment of the railway, the PST00 and PST15 Eurocard families comply with EN50155 standards for transients and EMI. 		Power System Technology has designed a wide range of full custom or semi-standard products dedicated to railway systems.
Power System Technology has designed a wide range of full custom or semi-standard products dedicated to railway systems. 		Power System Technology’s PCB / din rail mounting solutions provide plug-and-play solutions that are easy to implement into customers’ systems.
Power System Technology’s PCB / din rail mounting solutions provide plug-and-play solutions that are easy to implement into customers’ systems.
With ambient temperature at 70°C and no air forced in railway applications, conduction-cooled products from Power System Technology are the ideal solution for 'hermetic' electronic equipment.
With ambient temperature at 70°C and no air forced in railway applications, conduction-cooled products from Power System Technology are the ideal solution for 'hermetic' electronic equipment.

Powerbox-Power Supply Solutions

Powerbox supply DC/DC converter for feeding of displays, communication systems and lighting located in driver's cabins.
Powerbox supply DC/DC converter for feeding of displays, communication systems and lighting located in driver's cabins. 		DC/DC power supply family for train propulsion system and other on-board applications.
DC/DC power supply family for train propulsion system and other on-board applications. 		DC/DC power supply designed for a train application to power two halogens lamps (300W each) plus two small emergency lamps and a DC motor for the windscreen.
DC/DC power supply designed for a train application to power two halogens lamps (300W each) plus two small emergency lamps and a DC motor for the windscreen.
The Powerbox range of power converters for train applications ranges from a few watts to kilowatts.
The Powerbox range of power converters for train applications ranges from a few watts to kilowatts. 		Powerbox supply power products to many of the world leading railway manufacturers, applications include power supplies for motor control, pre-charging devices and inverters.
Powerbox supply power products to many of the world leading railway manufacturers, applications include power supplies for motor control, pre-charging devices and inverters.

Powertron Converters-DC-DC Converters and DC-AC Inverters

Rail converters all compliant with RIA 12, 13, 18, 20, IEC571, EN50121-3-2 and EN50155.
Rail converters all compliant with RIA 12, 13, 18, 20, IEC571, EN50121-3-2 and EN50155. 		The DBR Series – 55W multi-output eurocassette has a wide temperature range: -25°C to +70°C (-40°C operation optional).
The DBR Series – 55W multi-output eurocassette has a wide temperature range: -25°C to +70°C (-40°C operation optional). 		EBR Series – 140W single-output converter. Dimensions (H x W x D) : 56 x 146 x 222 mm.
EBR Series – 140W single-output converter. Dimensions (H x W x D) : 56 x 146 x 222 mm.
NS Series – 200W or 400W single-output converter. 400W version (NSH series) also available (height = 105mm).
NS Series – 200W or 400W single-output converter. 400W version (NSH series) also available (height = 105mm). 		ACR 250 Series – 250W Pure Sine Wave Inverter.
ACR 250 Series – 250W Pure Sine Wave Inverter.

Saft-Nickel-Cadmium Batteries for Mass Transit Applications

Saft is the world’s leading supplier in the Nickel-Cadmium segment, with major footholds in all segments, providing batteries to more than 150 railway networks and mass transit systems throughout the world.
Saft is the world’s leading supplier in the Nickel-Cadmium segment, with major footholds in all segments, providing batteries to more than 150 railway networks and mass transit systems throughout the world. 		Batteries play a key role in all contemporary rail and mass transit systems, whether these are diesel, electric or hybrid, intercity or urban, conventional or high speed. They are required to perform a number of functions, of which the most important are engine starting and the provision of emergency power.
Batteries play a key role in all contemporary rail and mass transit systems, whether these are diesel, electric or hybrid, intercity or urban, conventional or high speed. They are required to perform a number of functions, of which the most important are engine starting and the provision of emergency power. 		In tunnels, fire and smoke are especially hazardous, and stringent precautions are taken to ensure that batteries do not propagate fire or emit smoke or toxic fumes. Total reliability of the back-up of the low voltage is crucial for all mass transit systems.
In tunnels, fire and smoke are especially hazardous, and stringent precautions are taken to ensure that batteries do not propagate fire or emit smoke or toxic fumes. Total reliability of the back-up of the low voltage is crucial for all mass transit systems.
Batteries are installed on conventional train passenger coaches to provide a reliable in the case of the main power supply failure. They may come into operation not only for emergency purposes, but also whenever the train is at a standstill while the engine is still running.
Batteries are installed on conventional train passenger coaches to provide a reliable in the case of the main power supply failure. They may come into operation not only for emergency purposes, but also whenever the train is at a standstill while the engine is still running.

Schaffler & Associates-Battery Chargers, Converters and Inverters

Schaffler & Associates produce 250A 24V battery chargers.
Schaffler & Associates produce 250A 24V battery chargers. 		An 8kW DC:DC converter suitable for powering standard variable frequency inverters.
An 8kW DC:DC converter suitable for powering standard variable frequency inverters. 		DC to three-phase AC inverters supply power to air conditioners in rail applications.
DC to three-phase AC inverters supply power to air conditioners in rail applications.
A 4kW 74VDC to 240VAC single-phase inverter for powering locomotive instrumentation.
A 4kW 74VDC to 240VAC single-phase inverter for powering locomotive instrumentation. 		Inverters produced by Schaffler & Associates are used on Pilbara Rail locomotives.
Inverters produced by Schaffler & Associates are used on Pilbara Rail locomotives.

Schaltbau-Connectors, Switches and Contactors for Railway and Industrial Applications

Rail control and indicating devices from Schaltbau can be found worldwide in thousands of locomotives and passenger coaches. Whether in new suburban trains for Deutsche Bahn AG (German Rail) in Munich, or subway motor cars in New York, Schaltbau master controllers do their duty reliably and durably.
Rail control and indicating devices from Schaltbau can be found worldwide in thousands of locomotives and passenger coaches. Whether in new suburban trains for Deutsche Bahn AG (German Rail) in Munich, or subway motor cars in New York, Schaltbau master controllers do their duty reliably and durably. 		Many Schaltbau products carry on with their jobs completely unnoticed. The emergency brake handle, however, must not be overlooked in any case. That is why it is red and has an appealing design. In 1998, it was the Design Award Winner at the Hanover fair.
Many Schaltbau products carry on with their jobs completely unnoticed. The emergency brake handle, however, must not be overlooked in any case. That is why it is red and has an appealing design. In 1998, it was the Design Award Winner at the Hanover fair. 		The UIC connectors with rugged design have increased resistance to chemical influences. In the picture you can see the UIC 558 series.
The UIC connectors with rugged design have increased resistance to chemical influences. In the picture you can see the UIC 558 series.

Semidan Power-UPS Systems, Chargers, Inverters and GPUs

Semidan Power has been developing Uninterruptible Power Supplies (UPS) since 1978.
Semidan Power has been developing Uninterruptible Power Supplies (UPS) since 1978. 		The charger is a static, no-break system that can be either a thyristor or a switch mode regulated charger with galvanic isolation.
The charger is a static, no-break system that can be either a thyristor or a switch mode regulated charger with galvanic isolation. 		A rectifier is a device, comprising one or more semiconductive devices (such as diodes) or vacuum tubes, arranged for converting alternating current to direct current.
A rectifier is a device, comprising one or more semiconductive devices (such as diodes) or vacuum tubes, arranged for converting alternating current to direct current.
Semidan Inverters are manufactured up to 4MVA and are controlled by Pulse-Width Modulation (PWM) technology.
Semidan Inverters are manufactured up to 4MVA and are controlled by Pulse-Width Modulation (PWM) technology. 		Semidan's GPUs low noise makes them user-friendly and their glass fibre canopy means that they are not affected by rust or corrosion.
Semidan's GPUs low noise makes them user-friendly and their glass fibre canopy means that they are not affected by rust or corrosion.

Sensys Traffic-Pantograph Monitoring System

The RS240 has a unique target-tracking function that enables measurement of the speed of each train more than 20 times per second.
The RS240 has a unique target-tracking function that enables measurement of the speed of each train more than 20 times per second. 		The Automatic Pantograph Monitoring System (APMS) installed on a bridge.
The Automatic Pantograph Monitoring System (APMS) installed on a bridge. 		Photo of an undamaged pantograph on a train passing at 209km/h.
Photo of an undamaged pantograph on a train passing at 209km/h.
Photo of a damaged pantograph – the image is transferred to the Master Controller (MC) and further to the image processing unit, which separates and checks the image of the carbon strips.
Photo of a damaged pantograph – the image is transferred to the Master Controller (MC) and further to the image processing unit, which separates and checks the image of the carbon strips. 		This block diagram shows how the APMS works.
This block diagram shows how the APMS works.

Siemens Transportation Systems-Traction Power Supply and Contact Systems

Overhead contact line for main line railways.
Overhead contact line for main line railways. 		AC traction power supply and overhead contact line for suburban railways.
AC traction power supply and overhead contact line for suburban railways. 		DC traction power supply and 3rd rail for heavy rail.
DC traction power supply and 3rd rail for heavy rail.
We provide efficient and reliable traction power supply and contact line systems.
We provide efficient and reliable traction power supply and contact line systems.

SMA Technologie-Static Converters and Power Electronics

An ultra-lightweight static converter MEE-NTSD with active redundancy for Coradia Lirex trainsets for Stockholm.
An ultra-lightweight static converter MEE-NTSD with active redundancy for Coradia Lirex trainsets for Stockholm. 		A lightweight MEE-NTLD multi-voltage static converter.
A lightweight MEE-NTLD multi-voltage static converter. 		The stand-alone battery charger used for TGV POS traction units.
The stand-alone battery charger used for TGV POS traction units.
The High Voltage Alternating Current (HVAC) integrated static converter used for ET420 refurbishment.
The High Voltage Alternating Current (HVAC) integrated static converter used for ET420 refurbishment. 		The Insulated Gate Bipolar Transistor (IGBT) power stack used as plug-and-play replacement for DMU traction converters.
The Insulated Gate Bipolar Transistor (IGBT) power stack used as plug-and-play replacement for DMU traction converters.

Smith Systems-Railway Speed Sensors and Temperature Sensors

Custom speed-sensor configurations.
Custom speed-sensor configurations. 		Speed sensors available with push-pull, TTL and supply-tracking outputs, plus multiple channels.
Speed sensors available with push-pull, TTL and supply-tracking outputs, plus multiple channels. 		Patented temperature sensors for ease of installation and maintenance.Products featured may be the subject of one or more pending or issued patents and/or patent applications including US patent numbers: 5,006,797; 5,918,292; 6,298,739; 6,543,304;6,923,082;CA Patent number 2,295,649; and European Publication No. 1000321A .
Patented temperature sensors for ease of installation and maintenance.Products featured may be the subject of one or more pending or issued patents and/or patent applications including US patent numbers: 5,006,797; 5,918,292; 6,298,739; 6,543,304;6,923,082;CA Patent number 2,295,649; and European Publication No. 1000321A .
Over-molded interconnect cabling is available for speed and temperature sensors.
Over-molded interconnect cabling is available for speed and temperature sensors. 		Sensors for today's rail applications.
Sensors for today's rail applications.

Telema-Electric Power Resistors for Railway Systems

Telema produces a range of power resistors designed specifically for railway equipment, including dynamic braking resistors, snubber resistors and crow bar resistors.
Telema produces a range of power resistors designed specifically for railway equipment, including dynamic braking resistors, snubber resistors and crow bar resistors. 		Telema is able to achieve the best possible characteristics typically required by a traction resistor: minimum weight and bulk, high reliability, a low operating temperature, high vibration resistance and a long lifecycle.
Telema is able to achieve the best possible characteristics typically required by a traction resistor: minimum weight and bulk, high reliability, a low operating temperature, high vibration resistance and a long lifecycle. 		Telema's neutral grounding resistors range from class 3.6kV to 72.5kV with current at several thousand amperes and chassis protection from IP 23 to IP 55.
Telema's neutral grounding resistors range from class 3.6kV to 72.5kV with current at several thousand amperes and chassis protection from IP 23 to IP 55.
Telema's custom-designed load resistors are made of low temperature-coefficient resistance materials to exacting tolerances.
Telema's custom-designed load resistors are made of low temperature-coefficient resistance materials to exacting tolerances.

Transformers & Rectifiers-DC Traction Power Supplies and Auxiliary Power Transformers

One of our assembly bays. The T & R Group operates from three factory complexes in and around Guildford, Surrey, and is readily accessible from the M25 motorway network and London Airport.
One of our assembly bays. The T & R Group operates from three factory complexes in and around Guildford, Surrey, and is readily accessible from the M25 motorway network and London Airport. 		Rectifier substation showing transformer pen for a 30KA DC installation for metal refining. T & R Ltd were responsible for complete supply, installation and commissioning of the thyristor rectifier, transformers, AC and DC busbars, MV AC switchgear, power factor correction and harmonic filter equipment.
Rectifier substation showing transformer pen for a 30KA DC installation for metal refining. T & R Ltd were responsible for complete supply, installation and commissioning of the thyristor rectifier, transformers, AC and DC busbars, MV AC switchgear, power factor correction and harmonic filter equipment. 		500KW, 550V DC twelve pulse transformer rectifier unit for an overhead line supply, light rail tramway system.
500KW, 550V DC twelve pulse transformer rectifier unit for an overhead line supply, light rail tramway system.
33KVAC / 750VDC, 3,000kW, outdoor traction transformer rectifier unit.
33KVAC / 750VDC, 3,000kW, outdoor traction transformer rectifier unit. 		33KVAC / 1,500VDC, 4,000kW, indoor traction rectifier.
33KVAC / 1,500VDC, 4,000kW, indoor traction rectifier.

Transtechnik-Power Electronics and Converter Solutions

Flexverter AC/AC-AC/DC for the Pendoluso Tilting Train, Portugal, 580kVA.
Flexverter AC/AC-AC/DC for the Pendoluso Tilting Train, Portugal, 580kVA. 		Combiverter 750-18-2, DeLijn, Belgium.
Combiverter 750-18-2, DeLijn, Belgium. 		DC/AC-DC converter for a standard modular train.
DC/AC-DC converter for a standard modular train.
Coolcon: a converter for integration into an air conditioning system.
Coolcon: a converter for integration into an air conditioning system. 		Flexverter battery charger for Pendoluso tilting train, Portugal, 80kW.
Flexverter battery charger for Pendoluso tilting train, Portugal, 80kW.

Trasfor-Dry-Type Transformers and Inductors

Trasfor has developed a worldwide reputation for the design and manufacture of high-quality custom-built dry-type transformers and inductors.
Trasfor has developed a worldwide reputation for the design and manufacture of high-quality custom-built dry-type transformers and inductors. 		Our transformer and filter inductor assembly for locomotives can be roof-mounted and is resistant to extreme environmental conditions.
Our transformer and filter inductor assembly for locomotives can be roof-mounted and is resistant to extreme environmental conditions. 		We provided water-cooling equaliser inductors for the converter of the ETR 500 project.
We provided water-cooling equaliser inductors for the converter of the ETR 500 project.

Turbo Power Systems-Auxiliary Power Supplies, Battery Chargers, Low Voltage Power Supplies and Static Converters

The PT3000 - at-seat power supply.
The PT3000 - at-seat power supply. 		Catering car power supply.
Catering car power supply. 		6kW air conditioning power unit designed for the London Underground 'D class' rolling stock.
6kW air conditioning power unit designed for the London Underground 'D class' rolling stock.
Auxiliary power unit - Intermediate Voltage Power Supply (IVPS), Inverter and Low Voltage Power Supply (LVPS) as used on the Ankara Metro.
Auxiliary power unit - Intermediate Voltage Power Supply (IVPS), Inverter and Low Voltage Power Supply (LVPS) as used on the Ankara Metro. 		Diesel Multiple Unit (DMU) 'power platforms'.
Diesel Multiple Unit (DMU) 'power platforms'.

Ultra Electronics-DC Traction Substations and Transformer Rectifier Units

PMES is the UK’s leading designer and supplier of transformer rectifier units and associated equipment for traction substations.
PMES is the UK’s leading designer and supplier of transformer rectifier units and associated equipment for traction substations. 		PMES executes contracts for turnkey projects where the scope encompasses the design and supply of DC substations.
PMES executes contracts for turnkey projects where the scope encompasses the design and supply of DC substations. 		Ultra Electronics specialises in DC traction substations for all forms of railway, mass transit, light rail and depot applications.
Ultra Electronics specialises in DC traction substations for all forms of railway, mass transit, light rail and depot applications.
PMES is fully conversant with all European and international practices and standards (IEC/ANSI etc).
PMES is fully conversant with all European and international practices and standards (IEC/ANSI etc). 		PMES has worked with many prestigious clients all over the world including Network Rail and London Underground.
PMES has worked with many prestigious clients all over the world including Network Rail and London Underground.

Zavod AIT-Nickel-Cadmium Accumulators and Batteries.

JSC
JSC "ZAVOD AIT" plant in Russia, can fulfill the demands of the most diverse needs of our customers 		Modern techniques, allow us to constantly increase our range of Ni-Cd output devices.
Modern techniques, allow us to constantly increase our range of Ni-Cd output devices. 		Construction features of our products include a terminal, a plug, a welded or bolted connection, contact banks, an electrode, a rib and a frame separator.
Construction features of our products include a terminal, a plug, a welded or bolted connection, contact banks, an electrode, a rib and a frame separator.

Zhuzhou Times Electric Group-Sensors, Transducers and Resistors for Locomotive Power

Typical vitreous enamel adjustable power resistors and high current oval edge wound resistors applied in locomotives and power systems.
Typical vitreous enamel adjustable power resistors and high current oval edge wound resistors applied in locomotives and power systems. 		Dynamic braking resistor system applied in Shanghai metro line vehicles.
Dynamic braking resistor system applied in Shanghai metro line vehicles. 		Dynamic braking resistor for DC drive locomotives.
Dynamic braking resistor for DC drive locomotives.
TEG supplies four categories of sensors under ISO 9001 for various railway applications.
TEG supplies four categories of sensors under ISO 9001 for various railway applications. 		TEG's current and voltage sensors feature high accuracy, high reliability and fast response for current and voltage measurement. They are widely used in electric/diesel locomotives, metro cars and EMUs.
TEG's current and voltage sensors feature high accuracy, high reliability and fast response for current and voltage measurement. They are widely used in electric/diesel locomotives, metro cars and EMUs.

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