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Absopulse Railway DC/DC Power Converters, AC/DC Power Supplies and Battery Chargers, DC/AC Sine-wave Inverters, AC/AC Frequency Converters

ABSOPULSE Electronics is an original equipment manufacturer (OEM) of rugged, high performance, EN50155 compliant-switching power supplies for railway and other severe environments.

Our heavy-duty DC/DC power converters, AC/DC power supplies, rectifiers and battery chargers, DC/AC sine-wave inverters and modular power systems operate in onboard and track-side electronic systems in major railway projects around the world. These include light rail, trams, overhead trains, underground and other mass transit systems, freight trains and mining locomotives.

Custom and standard railway quality switching power supplies

ABSOPULSE can meet an extensive range of electrical and mechanical configuration requirements, with modified existing designs or fully custom solutions. Output power levels are available from a few watts to several kilowatts. Selecting from a broad range of our field proven railway quality designs, we deliver rugged power conversion solutions, keeping design costs low and lead times short.

Our power supplies are designed and built for a long operational life in severe environments. High quality designs with traditionally large design headroom and the exclusive use of components with established reliability over many years contribute to high MTBF. All heat generating components are cooled by conduction cooled heat-sink blocks for optimum thermal performance. High efficiency, full electronic protection, and surge and transients protection also contribute to product reliability.

We have an ongoing R&D program which ensures that we remain innovative and are able to provide solutions and respond to all customer requirements.

Railway quality power conversion products

ABSOPULSE product lines designed for on-board and trackside railway applications include:

  • DC/DC power converters
  • DC/AC sine-wave inverters, single or 3-phase combinations
  • AC/AC phase & frequency converters, single or 3-phase combinations
  • AC/DC power supplies, rectifiers and battery chargers
  • DC-output UPS systems
  • Complete power systems in 19in and 23in racks: DC/DC, DC/AC, AC/DC
  • Gate-drive power supplies for traction systems – up to 30kVA isolation, corona free

These products typically offer combinations of the following features, depending on specific model and customer requirements:

  • Any input and output according to requirements
  • Single or multiple outputs
  • EMI filtering to any standard, typically EN55022 Class B
  • Wide operating temperature ranges including -40°C to +70°C. Wider ranges are available
  • Wide range of options including output fail alarms, redundancy, indicators, enable/inhibit and other controls
  • RoHS compliance

Rugged mechanical designs

ABSOPULSE power supplies are ruggedly constructed and can be customised for specific mechanical requirements.

Standard mechanical packages and ruggedisation options include:

  • Chassis-mountable units in vented conduction/convection or fan-cooled enclosures
  • DIN-rail and open-frame format available for many designs
  • Plug-in (Eurocard) format for modular power systems in 19in or 23in racks
  • Conformal coating and ruggedising are standard
  • Full encapsulation (potting) in a thermally conductive MIL-grade silicon rubber compound with UL94V-0 flammability rating for immunity to high levels of shock and vibration, moisture, dust and airborne contaminants.
  • Enclosure in rugged, IP66- or IP67-rated waterproof, dustproof and explosion-proof die cast aluminum packages. These enclosures also protect internal electronic boards from condensation and the ingress of oil, salt, sand, insects and other environmental contaminants.
  • Custom connections

Railway standard compliance

ABSOPULSE railway power supplies are designed to meet rail-specific standards including EN50155, EN61000, EN50121-3-2 conducted and radiated (EMI and EMC), EN55022 Class B, RIA 12, IEC571, as well as IEC61373 shock/vibration and RIA 13 and RIA 20 mechanical standards. Please let us know if you require compliance to any other standards.

Please use the form below to send us your enquiry.

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Press Release

Dual-Output EN50155 Railway DC-DC Converters Deliver 150W

ABSOPULSE Electronics’ DCW 152R-F1 Series of rugged, railway quality, dual-output, DC-DC converters deliver up to 150W continuous output power.

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8 November 2017

ABSOPULSE Electronics’ DCW 152R-F1 Series of rugged, railway quality, dual-output, DC-DC converters deliver up to 150W continuous output power.

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24 August 2017

ABSOPULSE Electronics has recently added the PDR 100R-P99 series to its line of fully encapsulated RIA12 DC-DC converters for railway applications.

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14 June 2017

Absopulse Electronics has recently added the DCR 30R-F0 series to its line of RIA12 railway quality DC-DC converters.

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19 January 2017

ABSOPULSE Electronics has released the CSH-400-F6 series of heavy-duty, high-input voltage DC-AC sine wave inverters. The units use microprocessor controlled, high frequency PWM technology to deliver 400VA pure sinewave output voltage. They convert 600VDC input voltage (450V to 800V operating range) to an isolated sine wave output of 115VAC continuous at 60Hz or 400Hz, or 230VAC continuous at 50Hz.

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4 November 2016

ABSOPULSE Electronics' CTP-300R-F7 Series is the latest addition to its line of three-phase sine wave inverters designed for railway applications. The 300VA units meet the stringent requirements of EN50155 for electronic equipment used on rolling stock.

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14 October 2016

Absopulse has introduced the LTH-65R-F3TH series of heavy-duty, railway quality DC-DC converters with pure convection cooling deliver up to 200W output power. Designed to float charge hold-up batteries for on-train electrical equipment, the units are also suitable for a range of other transportation and industrial applications. The converters operate from a 12VDC (10.5-16V) input and deliver 12VDC, 24VDC, 48VDC or the corresponding float voltages.

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12 August 2016

The RWR 252 series of fully encapsulated, dual output, railway quality dc-dc converters deliver up to 250W. The units meet the requirements of EN 50155 for electronic equipment used on rolling stock.

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28 April 2016

The BHT-319R-F4 series of railway quality DC-DC converters is designed for an operating life of 30 years at high temperatures. The convection cooled units deliver 300W continuous output power over a -40°C to +85°C temperature range without derating. By eliminating optocouplers and electrolytic capacitors, the MTBF of the units is increased significantly over conventional converter designs.

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15 March 2016

The CSI-100-D1-IP66 series of rugged, DC / AC inverters deliver up to 100VA pure sine wave output voltage. Microprocessor controlled high frequency PWM technology is used to convert 24Vdc, 36Vdc, 48Vdc or 125Vdc input to 115Vac at 60Hz or 400Hz, or 230Vac at 50Hz.

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1 March 2016

The HVI 3KR-3U4 series of high-input voltage, railway DC / DC converters employ field proven design topology to deliver 3kW output power. The units accept 750VDC input voltage (525V to 975VDC range), the traction voltage required for mass transit vehicles and mining locomotives. They provide 24V, 36V, 48V or 110VDC, with other output voltages available on request. The series is designed to meet EN50155 for electronic equipment used on railway rolling stock.

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8 February 2016

The PPF 250-P59X series of fully encapsulated, AC / DC power supplies deliver up to 250W output power from a universal 95Vac-264Vac power factor corrected (PFC) input.

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14 December 2015

The CSI 500-FX and CSI 500F-FXW series are a new generation of compact, rugged, industrial quality dc / ac inverters that deliver 500VA pure sine wave output voltage.

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30 September 2015

ABSOPULSE Electronics' RWR 155 series of fully encapsulated, ultra-rugged, railway quality dc/dc converters deliver up to 150W output power.

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17 September 2015

ABSOPULSE Electronics has recently released the BHR 65X2R-4U2NF, a 1kW addition to its line of railway quality, long-life, convection cooled dc-dc converters.

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25 August 2015

The MIW-50-D0-IP66 series of compact, 50W power supplies are designed for applications that require a rugged, waterproof, dust-proof, explosion-proof ac/dc or dc/dc power solution.

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25 June 2015

The CSI 30-D1-IP66 Series of rugged, industrial quality, low voltage DC-AC inverters are designed for powering CCTV and surveillance systems in transportation, mining, marine, oil rigs and other harsh environments where IP66-rated protection is required.

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3 June 2015

The BAR 65-D3 series is a recent addition to ABSOPULSE Electronics' line of rugged, IP66, railway grade DC-DC converters.

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14 May 2015

ABSOPULSE Electronics' CSI 1K-24 / 230-3XD3-IP66 provides a water, dust, sand, fire and explosion-proof pure sine wave AC-output solution for transportation and other heavy-duty applications.

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25 March 2015

ABSOPULSE Electronics' HVI 500-D3G series of high input voltage, ultra-rugged, IP66-rated DC-DC converters are designed for applications that require a waterproof, dustproof, sand-proof, oil-proof or explosion-proof solution. The units are suitable for transportation, heavy industry, mining, marine, military, power generation and distribution environments.

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28 January 2015

ABSOPULSE Electronics' CSI 500-2XD3-IP66 series provides a water, dust, sand, fire and explosion-proof pure sine wave AC-output solution for transportation and other heavy-duty applications.

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5 December 2014

ABSOPULSE Electronics' HBC65-D3-IP66 / 67 series offers a watertight, fireproof and explosion-proof power supply solution with wide input ranges for heavy-duty transportation, industrial, mining, marine, military, oil and gas applications.

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19 September 2014

ABSOPULSE Electronics has recently released the RSI 300-IP66 series of railway grade DC-AC sine wave inverters. The units are packaged in IP66 watertight, rugged, dustproof, die-cast aluminum enclosures.

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5 September 2014

The DCR 150R is a recent addition to ABSOPULSE Electronics' line of rugged, railway-quality DC-DC converters. It meets the requirements of EN50155 for electronic equipment used on railway rolling stock.

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6 August 2014

Absopulse Electronics has recently released the CSI 50-24/24-FT, an industrial quality low-voltage DC-AC sine wave inverter specifically designed for powering CCTV systems.

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2 April 2014

ABSOPULSE Electronics has released the RWY 200-IP67 series of railway grade DC-DC converters.

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25 February 2014

Absopulse Electronics RSI 1KP series of railway quality DC-AC inverters deliver 1,000VA pure sine wave output voltage.

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25 October 2013

The PSI 300 Series of rugged dc/ac inverters employ microprocessor controlled high frequency PWM technology to deliver 300VA pure sine wave output voltage. Full encapsulation with a thermally conductive MIL-grade silicon rubber compound ensures immunity to high levels of shock and vibration, as well as moisture, insects and airborne contaminants.

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12 June 2013

ABSOPULSE Electronics' DIO 120 Series of dc/dc converters were developed for powering electronic circuits floating on several kilovolts of operating voltage. They are typically used for high power gate drivers and similar applications in oil and gas, mining, railway and industrial environments.

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12 June 2013

The FC 2KP-EW/A modular ac-ac frequency converter system was designed to deliver a clean sine-wave output from ""dirty"" generator voltage under extreme environmental conditions.

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14 February 2013

ABSOPULSE Electronics BAP 236RTH Series railway quality dc/dc converters employ high frequency power conversion topology to generate up to 200W output power. They have generous design headroom and are rated for operation over a -20°C to +50°C temperature range for full specification.

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14 February 2013

ABSOPULSE Electronics' BCP 130-PEL heavy-duty switch-mode battery charger was designed for charging an external 100Ah/12V (10, cell) Nickel Metal Hydride (NiMH) battery in railway and industrial environments.

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13 August 2012

ABSOPULSE Electronics introduces the POL 400R series railway quality, AC/DC switch mode power supplies. These 400W units operate from input sources of 115V AC (97V‐132V range) or 230V AC (195V-264V) and deliver outputs of 12V DC, 24V DC, 36V DC, 48V DC or 110V DC. Efficiency is between 80% and 90%, depending on the input / output configuration required.

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27 April 2012

Absopulse Electronics' RWY 252H series 250W, dual-output encapsulated DC/DC converter is perfect for use in the railway industry and other outdoor and extreme environments.

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7 March 2012

ABSOPULSE Electronics BAP 1KR-U7712 series railway grade dc/dc converters deliver up to 1kW output power with convection cooling and no fans or forced air are required.

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20 December 2011

Absopulse Electronics' MIW 152R series dual-output, railway quality AC/DC power supplies utilise high-efficiency power conversion topology to deliver 100W output power.

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21 June 2011

Absopulse Electronics RWY 280H Series is a rugged, railway quality DC / DC converter that utilises high-efficiency push-pull power conversion topology. This 280W converter has significantly larger design headroom than the earlier field-proven RWY 280 design, and can therefore comfortably deliver

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21 June 2011

Absopulse Electronics DCW 202R is a dual-output, railway quality DC / DC converter that utilises high-efficiency power conversion technology to deliver 150W output power, depending on the required input / output configuration. Both outputs are fully regulated, independent and isolated f

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21 June 2011

Absopulse Electronics DCW 153R series, a triple-output railway quality DC / DC converter, utilises high-efficiency power conversion topology to deliver 100W output power. It provides 24Vdc / 2A (main), 12Vdc / 2A (V2) and 5.1Vdc / 4A (V3). All outputs are fully regulated, floating and isolated fr

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8 November 2010

Absopulse Electronics' RSI 300 series railway quality, DC/AC inverter uses field proven topology to generate a 300VA pure sign wave output voltage. It meets all relevant railway standards including EN 50155, EN50121-3-2 conducted and radiated EMI, EN 55022 class B, and EN 61000 immunity. <

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26 September 2010

Absopulse Electronics' RWY 150 Series rugged, railway quality DC/DC converter utilizes high efficiency power conversion topology to deliver 150W output power. It complies fully with the rigorous standards defined in EN 50155 for electronic equipment used on railway rolling stock and is therefore

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22 August 2010

The PDC 765 series industrial DC/DC converter delivers up to 1kW output power. It is encapsulated in a thermally conductive MIL-grade silicon rubber compound to ensure resistance to high levels of shock, vibration and moisture. The converter is suitable for use in industrial, transport

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22 August 2010

Absopulse Electronics' DCW 30R sSeries railway quality DC/DC converter modules deliver 30W output power. They meet all relevant railway standards including EN50155, EN50121-3-2 conducted and radiated EMI, EN55022 class B, and EN61000 immunity. These converters offer nominal input voltag

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2 June 2010

The BAP 3KR Series rugged, railway quality DC/DC converter delivers up to 3kW output power. It accepts a nominal input voltage of 110Vdc (66 – 154V range) and is rated for a single output of 28V/107A with peak operating current of 115A for 10ms. Other input and output values are available on requ

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2 June 2010

The MIM 50R is a recent addition to Absopulse Electronics' DC/DC converter series designed for low power railway and mobile applications. The design is based on Absopulse's MIM 105, which has an excellent track record in numerous rugged environments. This 50W unit is housed in a compact

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11 April 2010

The FLP 09R is a recent addition to Absopulse Electronics' dc/dc converter series designed for low power railway requirements. With a height of just 20mm, this compact 25W unit is suitable for applications with stringent space restrictions. It is fully encapsulated with a thermally conductive MIL

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11 April 2010

Absopulse Electronics' BCP 1K-27CB series is a rugged industrial quality battery charger specifically designed to assist vehicle warm-up during extremely cold weather. Typically permanently installed on a vehicle, this charger is activated on days when the ambient temperature drops below 0VC.

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17 February 2010

Absopulse Electronics presents the BCH 2K5-120NP-EQ, a rugged, industrial quality battery charger that uses field-proven high-frequency conversion technology to deliver up to 2500W continuous output power. This charger accepts an input voltage range of 190V to 264Vac. In float mode, it

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17 February 2010

Absopulse Electronics presents the BKP 419-EH, a rugged, industrial quality DC/DC plug-in (Eurocard) converter that uses field-proven technology to generate up to 1500W output power, depending on the cooling method employed. The natural air convection cooled version generates 1000W and

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15 March 2009

Absopulse Electronics’ PDC 500 is a recent addition to its line of rugged DC/DC converters. This unit is encapsulated in a thermally conductive MIL-spec silicon rubber compound for immunity to shock, vibration and moisture and is suitable for operation in transportation, oil and gas, mining, ind

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Regional Offices

ABSOPULSE Marketing Europe GmbH

PO Box 1501

CH-8602 Wetzikon

Switzerland

+41 78 896 50 49 +41 44 932 38 44
Absopulse Electronics Ltd
AUSTRALIA

In Australia, please contact our partner company: AMTEX Electronics Pty Ltd

2A Angas St.

Meadowbank

Sydney

2114

New South Wales

Australia

+61 2 9809 5022 +61 2 9809 5077

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