Absopulse releases BHR 65X2-4U2NF dc-dc converter | Automation.com

Absopulse releases BHR 65X2-4U2NF dc-dc converter

September 092015
Absopulse releases BHR 65X2-4U2NF dc-dc converter

September 9, 2015 - Absopulse releases BHR 65X2-4U2NF dc-dc converter that operate from DC-inputs of 48Vdc or 125Vdc and deliver a single output of 24Vdc, 48Vdc or 125Vdc. A +/- dual output configuration is also possible.

The elimination of optical components allows for a very low component count and significantly higher MTBF compared to conventional designs. Large design headroom and comprehensive electronic protection also contribute to its long operating life. In addition, the rugged mechanical construction has no internal wiring, which increases its vibration-withstand capacity. Internal printed circuits are conformal coated for protection from the effects of moisture.

The converters are cooled by natural convection and require no forced air. Heatsink fins are installed on the sides of the unit and internally to provide sufficient cooling for operation over a 0°C to +50°C temperature range without de-rating. Wider temperature ranges are also available.

Typical conversion efficiency is 85% at full load. Two 500W internal modules are connected redundant parallel, which provides inherent redundancy: the failure of one internal module would result in a 50% drop in output power while the unit remains functional at 500W. The converter can also be used as a 500W redundant power supply.

The converters are designed for compliance with EN/UL60950-1 and equivalent safety standards. They are well suited to a broad range of heavy-duty industrial applications where fan cooling is not permitted, and where replacement or repair of electrical equipment is not practicable. 

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