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400-Vac input, AC/DC power supply features PFC-input to deliver 3-kW in industrial applications

July 05, 2011 | Paul Buckley | 222902964
400-Vac input, AC/DC power supply features PFC-input to deliver 3-kW in industrial applications Absopulse Electronics has released the PHI 3K Series modular, industrial grade AC/DC switching power supplies which generate up to 3 kW output power. The devices employ field proven design topology, which includes power factor corrected input, to convert a 400 Vac input (340 V to 480 Vac operating range) to 200 Vdc/15 A or 400 Vdc/7 A continuous output, with fan cooling.
A built-in redundancy diode separates the internal modules and allows for a number of units to be connected in parallel to achieve higher output power, N+1 redundancy or to create a 3-phase high power system.  The output redundancy diode also makes the unit suitable for battery charging applications.   An output fail alarm, as well as other input/output values are available on request.

The power factor is corrected to a minimum of 0.97 at full load for the entire input range in compliance with the EN6100-3-2 directive for low input harmonic distortion. The series is ruggedized for immunity to shock and vibration (EN61373/IEC61373 compliant); conformal coating ensures protection from moisture, humidity, airborne contaminants and high voltage.

Other protection features include input to output isolation of 4300Vdc, input/output to chassis of 2250 Vdc and 5600 Vdc type testing, continuous current limiting with short-circuit protection (no hiccup) and thermal protection by built in self-resetting thermostat.

Visit Absolpulse Electronics at www.absopulse.com










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