Convection-Cooled Power Supplies
Advanced Energy, Denver, CO, has launched a series of high-isolation, low-leakage current AC-DC power supplies that enable medical equipment designers to meet the cardiac floating (CF) requirements of the IEC 60601-1 medical safety standard using off-the-shelf products. The SL NCF150 series delivers maximum output power up to 150 W and offers voltages of 12, 15, 19, 24, and 48 V. An optional 5 V standby and 12 V fan output are also available. All units in the series have a patient leakage current below 10 μA, feature EMI Class B, 2 MOPP isolation, and 5 kV defibrillator pulse withstand capabilities. The power supplies accept a universal input of 85–264 VAC, operate with a full-load efficiency greater than 90 percent, and feature protection against overvoltage, overload, overtemperature, and short-circuit conditions as standard.
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