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50W to 1200W Power solutions designed for reliability and rugged applications

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Components Bureau part of the Fortec Group based in Cambridgeshire are pleased to add the new ruggedised power supplies from Powerbox designed specifically for the military/defence market. The new product line includes seven series of new power supplies, comprising three DC/DC (DAA-DAB-DAC), four AC/DC (DBA-DBB-DBC-DBD) and embracing a power range from 50W up to 1,200W.

The new series come with metal chassis and baseplate for conduction cooling. The DAx and DBx series can be used with a baseplate operating temperature range of -40 up to +100 degrees C. For extremely demanding applications they can be configured with a conformal coating and mechanically ruggedised as well as electrically ruggedising to withstand harsh transients and demanding EMC performance requirements as required with most common defence, marine, avionics, rugged industrial and railway standards.

The modular build style of the DAx and DBx series allows up to six outputs which can be connected in serial, parallel or used as a standalone output.

Ready to use ‘out of the box’, Defence Line DC/DC DAA/DAB/DAC power supplies include a very efficient input filter, reverse voltage protection internal diode, input transient protection and an internal fuse to protect against damage in the event of failure. Each output is protected against accidental and permanent short-circuit situations. An internal over-temperature circuit (OTP) protects the units in the case of over-heating, with automatic recovery.

To cover the large range of applications in defence or ruggedised industrial areas, the DAA/DAB/DAC series is available for use with five input bus voltages of 12, 24, 48, 72, and 110VDC and with a large range of output voltages from 3.3VDC up to 48VDC. Each output voltage is adjustable, and higher power outputs are compensated using the provided senses.

The DAx and DBx series include additional options to meet higher levels of environmental standards and requirements. Option ‘M’ for electrical and mechanical ruggedizing covers higher levels of shock and vibration, harsh transient protection and additional EMC filtering such as specified by MIL-STD 461E CE102, MIL-STD 1275, MIL-STD 1399-300A and MIL-STD 810E. Option ‘T’ includes qualified products guaranteeing full operation at temperature as low as -40 degrees C. For application exposed to high humidity, salt mist, diesel fumes, sand, dust or other contaminants, option ‘V’ includes a conformal coating. In cases where convection cooling is required, a range of heatsinks have been developed for the DAx and DBx series, these are known as option ‘H’.

Click here to read more about the new Defence Line product line

For more information contact Components Bureau

 

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