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Wrentham, MA— Power Sources Unlimited, Inc. announces the additionof the Cincon CFM300S Series open-frame industrial ac-dc power supply that provides 300W of regulated power in a 3” x 5” footprint. The CFM300S meets the radiated and conducted emission requirements for EN 55032, EN 55024 Class B. Active PFC Meets EN 61000-3-2.

Measuring 3.00 x 5.00 x 1.26 inches (76.20 x 127.00 x 32.00mm) with a high-density up to 18W/inch3, the CFM300S series has a wide universal input voltage range of 90~264VAC and is available in single output voltages of 12, 24, 36, and 48VDC. All models feature a 5V Stand-By output and 12V fan output with very high efficiency up to 94% at 230VAC and provides ambient operating temperature range of –40°C to 80°C (derating above 40°C). The modules are fully protected against output over-current, output over-voltage and over-temperature and continuous short circuit conditions. CFM300S series also offers a very low no load power consumption (<0.3W) and extremely low leakage current (≤300µA). Standard control functions include PS On/Off, remote control and ±5% adjustable output voltage. Covered version is also available.

Pricing starts under $70.00 each in OEM quantities. Prototypes are available 3-4 weeks. PSUI is an ISO 9001:2008 North American Authorized Distributor for Cincon Electronics Co., Ltd.

Download full specifications and procure parts online at For sales or applications inquiries, please contact Power Sources Unlimited, Inc. toll free at 800-966-PSUI(7784) (USA only) or 508-384-1419 or email