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PULS UK DIN Rail power supplies extend its range with low temperature versions

DIN Rail power supply manufacturer PULS UK has announced the launch of two new MiniLine 60W units which are available in both standard and low temperature versions. As with other PULS power supplies the ML60s have been tested at temperatures of up to +60°C but what makes the new low- temperature model outstanding is its ability to start and deliver full power from a chilly -40°C giving an overall operating range of 100 °C.

PULS says that although there are several manufacturers who claim their power supplies will operate at temperatures of around -25°C the problem is they can’t start at those temperatures. As most power supplies use satiable resistors to control the inrush current, as temperatures drop the resistance increases and can reach a level where no current can flow and consequentially prevents the device from running.

PULS has developed special circuitry which both limits inrush current and obviates the need to use satiable resistors thereby allowing the units to operate in extreme conditions without danger. Similar technology has been incorporated in PULS power supplies used at the Neumaver Station III research base in Antarctica to power outdoor monitoring equipment, including sunshine detectors and wind measurement devices.

"The harsh environment market is one that we’re very keen to develop, because we know our technology has so many advantages over our competitors," said PULS’s Managing Director Harry Moore. "The new ML60 offers a solution to powering equipment in the most severe weather conditions – it’s an off-the-shelf product – and along with our new range of ATEX approved power supplies, it’s available now."

PULS will be extending its range of low-temperature power supplies in the near future and looks set to win a significant share of the harsh environment market.

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