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Convection-cooled, low cost DIN rail power supplies offer 91% efficiency

Convection-cooled, low cost DIN rail power supplies offer 91% efficiency

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By eeNews Europe



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Housed in a robust plastic case, the DRB supplies feature a narrow design, ranging from 18mm to 45mm. They combine an efficiency of up to 91%, a no load power consumption set between 0.3W and less than 0.5W depending on the model type. The supplies operate from a universal input of 85 to 264Vac and have EN61000-3-2 compliance, enabling worldwide use; moreover, they can withstand voltage of 300Vac surge for 5 seconds. The DRB series is available with 4 output power levels ranging from 15 to 100W and nominal output voltages of 5V, 12-15V, 24V or 48Vdc. The supplies can operate at full load over a wide temperature range of -10 to +55°C (+70°C for 15W model). Typical ripple and noise is below 40mV and a green LED indicates DC OK. Other features include over current and over voltage protection, and a hold-up time of up to 20 ms at 100Vac input voltage, full load.

The smallest model measures just 18x75x90mm (DRB15-24-1); all DRB models will mount on either a TS35/7.5 or TS35/15 DIN rail offering engineers a flexible option for the various applications. In addition, they have been rigorously tested for shock and vibration while mounted onto the rail. The units are approved to UL508 safety standard for industrial control equipment. Further safety approvals include IEC/EN 60950-1 (2nd Ed.) and UL/CSA 60950-1. CE marked in accordance with the LV Directive, EMC Directive and RoHS Directive, the power supplies are designed to meet EN55022 and CISPR22 Class B for conducted and radiated EMI, and include a three-year warranty.

Visit TDK-Lambda at www.uk.tdk-lambda.com/drb

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