Compact Size 300Watt ITE Power Supply Open Frame, U-Channel or Enclosed Versions

Editorial Contact: Judi Zullo,

PFA300 Series

Hudson, MA – Power Partners, Inc. releases a 3” x 5” 300W AC/DC open frame power supply with U-channel or enclosed (with fan) platforms available.

The PFA300 Series delivers 300W of power with forced air convection cooling, 400W of peak power capability, while offering 200W of power with natural convection cooling.

With universal input voltage range of 90-264VAC and seven output voltage selections (12V, 18V, 24V, 30V, 36V, 48V and 54V), the PFA300 series has built-in thermal protection, +12V fan output, remote sense, and a power on LED indicator.

The PFA300 Series is EN55032 Class B EMI approved and certified to UL/cUL/EN 60950-1. Additional highlighted features of this power supply include; <100uA earth leakage current, short circuit, overvoltage and overload protection, 5000m altitude operation, extended operating temperature of -30°C to +85°C (derating after 50C), 100% burn-in/hi-pot testing, and MTBF of >170K hours per MIL-STD-217F.

The PFA300 Series unit pricing starts as low as $52.00 in OEM quantities with standard unit samples available from stock and production lead times of 12-14 weeks ARO. Detailed specifications are available online at For sales or technical assistance please contact Power Partners, Inc. at 978-567-9600 or

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