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600W Rugged Power Converter Features Many Voltage Range Choices

8th January 2008

Schaefer Inc

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Datasheet

Schaefer, Inc. introduces the C/B 2700 Series of 3U DC/DC and AC/DC converter modules and battery chargers. The C/B 2700’s robust design uses industrial grade components and provides a high density, space-saving solution for applications in industries such as railway controls and communications equipment (onboard and trackside), military applications, oil/gas processing, fuel cell applications, transportation, telecommunication systems, process control systems, and power stations.

The C/B 2700 Series topology delivers up to 600W at any DC input from 18VDC to 380VDC, with six input range choices. AC input options are single-phase 115VAC or 230VAC, as well as a three-phase input of 3 x 200VAC. Battery charging models are also available. Units feature single outputs in nine standard ranges from 8VDC-290VDC. All outputs are adjustable and tightly regulated to 0.2% or better (load) and 0.1% (line). Custom input and output ranges are readily available, typically not impacting delivery and at no additional cost.

Convection cooled, these converters perform from –20°C to +75°C (derate above +55°C), with an option for –40°C operation. All models feature full electronic protection and up to 92% efficiency. EMI performance is to EN55022 Class A standards (Class B optional).

Units are packaged in a rugged 3U x 28TE x 226mm (HxWxD) module with an optional wall mount configuration. Other options include input inrush current limiting, DC input reverse polarity protection, output parallel/redundant operation, remote on/off, Power Fail/DC-OK alarms, system reset, and programming/monitoring functions. Further mechanical “ruggedization” and extended environmental operating conditions for higher temperatures and humidity is also available.