95% efficient power supply meets 3rd edition medical approvals

XP Power has announced the CCB250 series of efficient single output 250 Watt AC-DC power supplies aimed at a broad range of industrial and medical applications. With an operating efficiency of up to 95%, the convection cooled CCB250 series generates very little waste heat and does not require any forced air cooling. The series achieves an absolute minimum efficiency of 90% with a 90 VAC input at full load.


Meeting the stringent demands of the latest IEC60601-1 3rd edition medical safety standards, the CCB250 complies with 2 x MOPP (Means Of Patient Protection) and offers the complete risk management files, thus removing the burden and expense typically placed on the end product designer in achieving product compliance. The series also complies with the requirements of BF (body floating) applications. For IT and industrial applications the range is approved to IEC60950-1.


The series operates from an ultra wide input range of 80 – 275 VAC, in an ambient of – 20 degrees C to + 70 degrees C, with no derating until + 50 degrees C. In addition to being able to continuously deliver the maximum output of 250 W, the CCB250 has a peak power capability of up to 300 W for a maximum of 500 ms. This allows the delivery of a short-term higher current, such as for starting motors, without engineers needing to incur the additional costs or space required for a higher rated unit. Measuring just 101.6 x 152.4 x 38.1 mm (4 x 6 x 1.5 inches), the open frame CCB250 series fits into a 1U space.


The series comprises 6 models providing the nominal outputs of +12, +15, +24, + 28, +36 or +48 VDC. A trim function provides the ability to adjust the output ± 3% to accommodate line losses. An additional + 5 VDC/ 0.5 A always on output can be used to power memory, logic or control functions. Control signals include power fail and remote on/off.


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