Astrodyne (Mansfield, MA) has introduced the PMK/PMMK AC-DC switching power supplies that deliver 450W with active PFC. They are qualified for medically approved AC-DC power supply applications. The series provides standard output voltages of 5, 12, 24, 36, and 48V, and are available in two styles: one contains an enclosed fan, and the second is supplied with a U-channel in a 5 × 8 × 1.57" enclosure. Both can be ordered with a DIN rail clip for mounting. The medically approved PMMK meets both UL 6061 and EN 60601 specifications. Features include single line current share remote sense lines, remote inhibit, output voltage adjust, and a 5V standby mode.

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    This article first appeared in the May, 2009 issue of Medical Design Briefs Magazine (Vol. 33 No. 5).

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