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New 150W and 300W medical open frame power supplies

26 September 2015

Powerbox has introduced the Medline series 150 and 300 ac/dc single output open frame (2x4 and 3x6) power supplies for medical type BF applications requiring high performance in low airflow conditions.

Combining an optimised layout to facilitate natural air convection cooling with highly efficient switching topology, the OBM03 and OBP03 are designed for a continuous output power operation of 100W and 200W respectively in natural convection environment. When extra power is required, with limited forced air, the output power available increases, up to 150W at only 7.5 CFM for the OBM03 and up to 300W at 10CFM for the OBP03.

Designed for medical BF applications the OBM03 and OBP03 withstand an input-to-output isolation of 4,000Vac, input-to-ground of 1500VAC and output-to-ground of 1,500Vac. At 264Vac the leakage current is below 275µA for the OBM03 and bellow 220µA for the OBP03.

In medical environment parasitic noise could impact on microvolt-sensors and other sensitive equipment, requiring extreme attention to conducted and emitted radiations. The OBM03 and OBP03 have a very efficient built in filter and loop-less layout making those two products to meet EMC IEC60601-1-2 and ITE requirements, as well as EN55011/EN55022 class B both conducted and radiated.

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