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Absopulse Electronics offers a line of plug-in (Eurocard) DC/DC converters designed for railway and other harsh-environments. These units utilize field-proven topology to deliver any DC output up to 130Vdc. They can typically be operated from supply voltages of 24Vdc ((14.4–37V), 36Vdc (22–55V), 48Vdc (28V-74V), 72Vdc (42V-110V), 96Vdc or 110Vdc (57V-168V). Other inputs are available on request.
Absopulse’s line of plug-in (Eurocard) railway converters are designed to meet the requirements of EN 50155 for electronic equipment used on railway rolling stock. They also meet EN 55022 Class B EMI and EN 50121-3-2 (EMI and EMC). The plug-in (Eurocard) series is rated for operation over a -25 to +70oC temperature range without derating, with natural convection cooling. Features typically include full electronic protection on the input and output, optocoupler, optional alarm output and optional control input. An optional built-in redundancy diode to allow for parallel connection to achieve higher output power or N+1 redundancy is available on most designs.
These compact plug-in modules are typically used in 19” rack-mount applications. They are heavily ruggedized and conformal coated and designed to meet IEC 61373 Categories 1 A & B shock and vibration standards.
Absopulse Electronics provides an extensive range of power supplies for operation in railway, industrial and other extreme environments in encapsulated or vented, chassis mount packages. If our standard designs do not meet your requirements, our engineering team will provide a cost-effective solution to meet your exact specifications.
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The DC/DC power supply systems of the series MPG from MTM Power, the specialist for high-quality unparallely power supplies, are designed among others for different applications in transportation, telecommunications and the charging of lead batteries during stand-by parallel operation. The universally useable, modular and easy-to-scale system is based on the DC/DC converters of the series PCMD200W and PCMD400W which are proved in transportation applications. The series MPG2 is available with 2 plug-in positions and a total output power of 500-800 W and the series MPG3 with 3 plug-in positions and a total output power of 750-1.200 W. With different wide input voltage ranges between 14,4 VDC and 154 VDC, the devices supply an output voltage of 12, 24, 48, 72 and 110 VDC. The output voltage operates with UI characteristic curve. The system can be switched into an energy-saving stand-by operation via a remote control input. Further features are signalling of input and output voltage by an LED as well as a potential-free power good signal. The whole system is passively cooled by convection and is designed for an ambient temperature range of -40...+70 °C.
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MTM Power GmbH, the specialist for high quality power supplies, has designed the DC/DC converter series SMM50 for the use in vehicles, particularly for railway applications. These converters have an output power of 50 watts and are suitable for the stationary use as well as for the mobile use acc. to EN 50 155. The nominal input voltages are 24 VDC ((14,4…50,4 VDC), 48 VDC (28,8…100,8 VDC) and 110 VDC (43,2…154 VDC) and 230 VAC (85…264 VAC). Due to these input voltage ranges, the converters can be used in all on-board power systems. The output voltages are galvanically separated and are available as single, dual and triple versions. Further features are vibration and shock resistance acc. to IEC 68 T.2-27, high efficiency of 79...89 % and reverse polarity protection at the input. The devices are prepared for the use in 19" racks and have a H11 connector acc. to DIN 41 612. The dimensions are 173,0 x 38,7 x 111,2 mm or 177,0 x 40,2 x 128,4 mm (length x width x height). The series SMM50 needs no ground load, is short circuit protected and has various monitoring and protection systems.
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Model ORION-D3002DDP
300W -48V & 24V DC input DC/DC PS/2 ATX power supply
Mini-redundant DC to DC power supply suitable for 2U and larger chassis
Active PFC, full-range input
-38 V DC to 72V DC output for telecommunication applications
Test equipment for telecommunication applications
Model ORION-B3502
350W 2U ATX redundant power supply with active PFC
Low profile power supply, suitable for 2U and node chassis
Dual ATX 12V power connector for dual Intel® Xeon processor based server board, ROBO-8820VG2
Active PFC, full range input
Total output power of +5V, +3.3V and +12V is 328W
Model ORION-3002
300W PS/2 hot-swap redundant power supply
Mini-redundant power supply suitable for 2U and up chassis
Max. +5V standby output is 2A
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Absopulse Electronics’ RWY Series of encapsulated DC/DC converters are designed for operation in railway, industrial and other harsh environments. These designs are based on field-proven topology with excellent track-record in hundreds of applications. Typical input ranges available are 24Vdc (14.4–37V range), 36Vdc (22–55V), 48Vdc (28V-74V), 72Vdc (42V-110V), 96Vdc or 110Vdc (57V-168V). RWY designs for almost any output power requirements from 15W to over 280W are available, with either single or dual outputs.
The RWY Series power supplies are designed to meet the requirements of EN 50155 for electronic equipment used on railway rolling stock. They also meet EN 55022 Class B EMI and EN 50121-3-2 (EMI and EMC). These converters are entirely potted with a thermally conductive MIL-spec. silicon rubber compound for resistance against shock, vibration, humidity, moisture, dust and insects and are designed to meet IEC 61373 Categories 1 A & B shock and vibration standards. The RWY converters are conduction cooled via a base plate and rated for operation over a -40 to +70oC cold-plate temperature range without derating. The use of components with many years of established reliability and generous headroom results in a high demonstrated MTBF.
Absopulse Electronics provides an extensive range of power supplies for railway, industrial and other extreme environment applications. If our standard designs do not meet your requirements, our engineering team will provide a cost-effective solution to meet your exact specifications.
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The OC1-series is a non-insulating, low cost and highly efficient DC/DC regulator. This series is suitable as a replacement for series bus (three- terminal regulator) when overheating problems arise. The chopper method allows for high efficiency regardless of input voltage.
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World-class open-frame power modules, such as the Austin Lynx and Austin Lynx II, deliver up to 10A of output current with a wide range of bonus elements. These non-isolated power modules are offered in both SIP and SMT packages and feature small footprints that are pin to pin compatible with the Austin Super Lynx and the Austin SuperLynx II modules that deliver up to 16A of output current. Extra features include remote On/Off control, programmable output voltage, over-current and over-temperature protection. The Austin Lynx II series also includes positive logic On/Off control and EZ-SEQUENCE which enables designers to implement cascade, tracking or ratio-metric power sequencing on a board.
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The HVI 2K is a recent addition to Absopulse Electronics line of rugged, high input voltage DC/DC converters. This design uses field proven technology to generate 2kW output power, and accepts a 600Vdc input voltage (450V to 800Vdc range). This single output unit delivers 12V/130A, 24V/80A or 48V/40A, with other outputs available on request. An optional built-in redundancy diode allows for parallel and N+1 operation. The HVI 2K is suitable for rugged applications including in industrial plants, alternative energy conversion (such as solar cells) and electric vehicles.
To ensure high reliability and long operating life, all critical components on the primary side are designed and tested for corona inception levels significantly higher than the operating voltage. The HVI 2K is filtered to meet EN55022 Class A EMI conducted and radiated and it is designed to meet IEC61010-1
Ed. 2, IEC 62103 Ed. 1, UL 508C and related standards.
This compact design measures 187 x 132 x 407 mm (7.4” x 5.2” x 16") and can be chassis or 19” rack mounted. Built-in fans provide sufficient airflow for operation over 0°C to 50°C temperature range for full specification, with wider temperature ranges available. Other options include heavy ruggedizing and conformal coating for operation in extreme environments.
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DC/DC high efficiency module
Wide Input range
Various output voltages
High output current
High efficiency up to 94%
Approved: UL60950, C-UL: CSA C22.2 No.60950)
Small size – low profile 0.42”
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DC / DC power supplies: Converters, Modules
