120-W 1U open-frame supply suits telecom apps
The MVAB120 series open-frame power supplies offer 91% typ. efficiency with a single 120-W output. They are aimed at a broad range of telecom and industrial applications, measure 101.6 x 50.8 x 34.3 mm, and satisfy the 1U requirement height constraints.
The open-frame power supplies can deliver up to 75-W output when using convection cooling, and 120 W with 250-lfm forced airflow. The series comprises three single-output models covering the nominal outputs of 12, 24, or 48 Vdc. They feature input voltages from 90 to 264 Vac and 120 to 300 Vdc. The supplies meet the EU PFC directive for active power-factor correction, and have safety approvals including UL/EN/IEC 60950-1:2005 2nd edition standard for IT and commercial equipment. The units also comply with IEC/EN 61000 Class A and EN55022 Class B standards for emissions and immunity. They deliver full load from –10° to 50°C and have overvoltage and overtemperature output protection. (Contact company for price and availability.)
By Paul O’Shea
Murata Power Solutions , Mansfield , MA
John Sutherby 508-339-3000
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