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The TDK Corporation DRM40B is a DIN rail mountable redundancy module designed to enhance the reliability of power supply systems. It features a compact size and convection cooling, consuming minimal space on the DIN rail.
This module operates within an input voltage range of 10-30 VDC and can handle a maximum input current of 2x20A, with a peak input current of 2x30A for short durations. The maximum output current is rated at 40A, and it exhibits a low input-to-output voltage drop of 0.2V at 40A, minimizing power loss. The operating temperature range is -40°C to +70°C.
Key features include two green LEDs indicating each input is 'good' and optional isolated alarm signals for remote fault monitoring. The module is built to withstand 707VDC between input/output and chassis, with an isolation resistance greater than 100MΩ. Its dimensions are 35 x 125 x 124 mm, and it weighs 330g.
10-30 VDC.
-40°C to +70°C (standard mounting orientation).
40 A.
30 A per channel for 4 seconds maximum with 0.35 duty cycle.
35 x 125 x 124 mm (W x D x H).