Power > Q series

Q series

Input: Wide input (2:1)
Outputs: 5 to 48V
Power: 120 Watt
Tamb: -40 to +71°C
Dims: 168 x 111 x 20mm (3U x 4TE)
UL / CE EN60950 Approved
5 year warranty

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APPLICATION

These extremely compact Melcher dc dc converters by Bel Power incorporate all necessary input and output filtering, signaling, and protection features, which are required in the majority of applications.The converters provide important advantages such as flexible output power through primary current limitation, high efficiency, excellent reliability, very low ripple and RFI noise levels, full input to output isolation, negligible inrush current, overtemperature protection, and input over-/undervoltage lockout. The converter inputs are protected against surges and transients occurring on the source lines.

The converters are particularly suitable for rugged environment, such as railway applications. They have been designed in accordance with the European railway standards EN 50155 and EN 50121-3-2. The Q series of power supplies are Network Rail Approved. All printed circuit boards are coated with a protective lacquer.

The outputs are continuously open- and short-circuit proof. An isolated output Power Good signal and LEDs at the front panel indicate the status of the converter. Test sockets at the front panel allow for a check of the main output voltage.

Full system flexibility and n+1 redundant operating mode are possible due to virtually unrestricted series or parallel connection capabilities of all outputs. In parallel connection of several converters, automatic current sharing is provided by a single-wire interconnection.

As a modular power supply or as part of a distributed power supply system, the extremely low profile design significantly reduces the necessary power supply volume without sacrificing high reliability. A temperature sensor disables the outputs, if the case temperature exceeds the limit. The outputs are automatically re-enabled, when the temperature drops below the limit.

The fully enclosed, black-coated aluminum case acts as a heatsink and an RFI shield. The converters are designed for 19″DIN-rack systems occupying 3U/4TE only, but can also be chassis-mounted by means of four screws. It is possible to fit an additional heat sink.

MODEL NUMBERINPUT RANGEOUTPUTPOWER
BQ1001-9RG14.4-36VDC5.1V100W
BQ2320-9RG14.4-36VDC12V
12V
120W
BQ2540-9RG14.4-36VDC15V
15V
120W
BQ2660-9RG14.4-36VDC24V
24V
132W
CQ1001-9RG33.6-75VDC5.1V100W
CQ2320-9RG33.6-75VDC12V
12V
120W
CQ2540-9RG33.6-75VDC15V
15V
120W
CQ2660-9RG33.6-75VDC24V
24V
132W
DQ1001-9RG43-100VDC5.1V100W
DQ2320-9RG43-100VDC12V
12V
120W
DQ2540-9RG43-100VDC15V
15V
120W
DQ2660-9RG43-100VDC24V
24V
132W
EQ1001-9RG66-137.5VDC5.1V100W
EQ2320-9RG66-137.5VDC12V
12V
120W
EQ2540-9RG66-137.5VDC15V
15V
120W
EQ2660-9RG66-137.5VDC24V
24V
132W
GQ1001-9RG21.6-54VDC5.1V100W
GQ2320-9RG21.6-54VDC12V
12V
120W
GQ2540-9RG21.6-54VDC15V
15V
120W
GQ2660-9RG21.6-54VDC24V
24V
132W

Downloads

Click on the link below for an instant download.

  • Q series datasheet
  • Mounting supports datasheet
  • Cassette front panels datasheet
  • Cassette mating connectors datasheet

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