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The Astrodyne TDI PMMK320S-48E is a 320-watt medical-grade switching power supply designed for demanding applications. This enclosed unit offers a single 48VDC output and accepts a universal 90-264VAC input range.
Key electrical specifications include 320W of output power, 6.7A maximum output current, and an efficiency of 81% at full load. It incorporates active Power Factor Correction (PFC) with a minimum power factor of 0.95. The power supply provides high isolation voltages: 5656VDC between input and output, 2121VDC between input and ground, and 707VDC between output and ground.
Designed for chassis mounting, the PMMK320S-48E operates within a temperature range of -20°C to 70°C with derating. Its physical dimensions are 8.03"L x 3.86"W x 1.57"H, and it weighs 1.75 lbs (794g). The unit is approved by CB, CE, cURus, and UL, meeting the IEC 60601-1 standard.
Additional features include adjustable output, remote on/off, and remote sense capabilities, making it suitable for medical equipment, diagnostic imaging, and other critical systems requiring reliable power conversion.
The PMMK320S-48E has a nominal output voltage of 48 VDC.
The maximum output current for the PMMK320S-48E is 6.7 A.
The power supply accepts a universal input voltage range of 90-264 VAC.
The efficiency is 81% at full load and nominal input.
The operating temperature range is -20°C to 70°C with derating.
It complies with IEC 60601-1 and has approvals from CB, CE, cURus, and UL.
The PMMK320S-48E is designed for chassis mounting.