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Archive >  February 2013 Issue >  New Products > 

AC/DC Power Supply from PSUI
New 330W AC/DC power supply.
Wrentham, MA — Power Sources Unlimited, Inc. has introduced the new XL330-54 AC/DC power supply with high power density and ultra-high efficiency all within a very small footprint. This unit provides an excellent solution in Power-over-Ethernet (PoE) applications by saving space, cutting costs, and improving system reliability.

The 1.35-in. (34.3mm) high open-frame XL330-54 has a 3.0 x 5.3-in. (76 x 135mm) footprint that delivers a power density of 15W/in3 with only 13CFM cooling. This represents a space savings of 32 percent compared to typical 1U units with similar rating. Its maximum full-load efficiency of 90 percent, achieved through synchronous rectification, Or-ing MOSFETs and a unique active PFC design, means that the XL330-54 generates less heat than most comparable power supplies — minimizing cooling requirements and improving system reliability.

The XL330-54 has two primary outputs: 54V/6.1A and 12V/9A, plus a 12V/1A auxiliary output. Other key features include universal AC input (90 to 264VAC) and active inrush current protection of 10.5A at 240VAC, which does not change during operation, SCP, OVP and OPP. The new XL330-54 is RoHS-compliant and meets all major international safety and EMC requirements. PSUI is the ISO 9001:2008 North America Authorized Distributor for N2Power.

Contact: Power Sources Unlimited, Inc., 200 Stonewall Blvd. Suite 4, Wrentham, MA 02093 800-966-7784 or 508-384-1419 fax: 508-384-1896 E-mail: Web:

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