TDK-Lambda Europe GmbH 300W - 400W Digital AC-DC power supplies EFE400-12-ECMDS

Description

Taking digital control to the next level, TDK-Lambda’s revolutionary EFE Series of embedded power supplies deliver high efficiency and enhanced reliability. Rated at 300W and 400W, with peak power levels of 133%, they offer operating efficiencies of up to 90%. The EFE Series employs an 8-bit microcontroller for full digital control bringing a 25% parts count reduction to achieve a smaller and lighter design. Features High Efficiency Digital control 5 in x 3 in / 6 in x 3 in footprint High Power Density (up to 22W/in³) No minimum load Fits 1U applications 400/530 Watts peak power for 10 seconds 5 Year Warranty Applications for this product General Purpose Industrial Factory Automation / Process Control Test & Measurement Broadcast / Communications / Professional Audio

TDK-Lambda Europe GmbH

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Datasheet

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The EFE400-12-ECMDS is a 400W continuous, 530W peak AC-DC power supply with digital control, housed in a cover and chassis with a temperature-controlled end fan. It delivers 12V at 33.3A, complies with EN61000-3-2 for harmonics and EN55011/EN55032 Class B for emissions, and meets IEC/EN 62368-1, UL62368-1, and CSA 22.2 No 62368-1 safety standards. The unit operates from 90-264Vac, has an efficiency of up to 90%, and supports a full load from 0°C to 50°C with derating above 50°C. Its dimensions are 152.4mm x 127.0mm x 51.0mm, and it includes a 12V/0.25A fan supply with no user-accessible connector in the -CC variant. Overload, overtemperature, and overvoltage protections are provided, with auto-recovery for most faults except overvoltage, which requires AC cycle restart. Hold-up time exceeds 16ms at 90Vac and 75% load, and transient response recovers to within 2% of set voltage in under 1ms.

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