Quarter brick DC/DC converters’ input range suits industrial and railway applications

Gresham Power Electronics announces the availability two series of DC/DC converters from Polytron Devices for use in industrial and railway applications.

The QB100 and QB150 series boast 100 and 150W ratings, respectively and feature a 4:1 wide input range. Operating temperature range is -40 to +110 degree C.

The QB100 series offers high efficiency up to 93 per cent and is delivered in a compact 2.28 x 1.45 x 0.50-inch quarter brick package. The QB150 series, available in the same size package, offers efficiency up to 92 per cent.

Both converters feature remote control, no minimum load requirement and low standby power consumption; are CE marked and meet UL60950-1, EN60950-1 and IEC 60950-1 safety standard and are compliant with RoHS II and Reach guidelines.

Nominal input voltages are 24V DC (8.5 to 36V DC), 48VDC (16.5 to 75V DC) and 110V DC (40 to 160V DC) with single output voltages over the range 3.3 to 110V DC.

Jake Moir, managing director of Gresham Power, comments: “Railway equipment and many industrial applications are required to operate in extreme weather conditions and from unregulated power sources. The QB100 and QB150 DC/DC converters are designed to provide stable system power output in these demanding environments while being compact and cost effective.”

Gresham Power now offers industrial, medical, CompactPCI, rail and transportation, test and laboratory power solutions from world class manufacturers including Polytron Devices, EOS Power, Vox Power, Magna-Power, Advice Electronics and Digital Power. The range include market leading and cost-competitive open frame power supplies, modular configurable and encapsulated power supplies, programmable power supplies and electronic loads and DC/DC converters.

Gresham’s experience of designing and manufacturing defence power systems is available to customers to provide modified standard or full custom power supply designs if required. Gresham can also supply a new range of defence power products for land based or vehicle applications to complement its world-leading naval power systems.

The full Gresham Power Electronics product range includes OEM and external power supplies for advanced multimedia applications, medical, industrial, defence, communications and broadcast systems and LED lighting. Hot-swap power shelves and products for telecoms as well as static frequency converters, DC UPS, distributed power systems and DC/AC inverters for naval defence markets.


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