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Time-delay devices for undervoltage releases

Undervoltage releases can also be equipped with external, electronic time-delay control devices which prevent unintentional tripping in response to brief voltage dips during periods of disrupted operation.

Time-delay device for UVR with fixed delay setting

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The simple time-delay device with fixed delay setting is available for the following voltages:

  • 110 V and 230 V AC

  • 24 V DC

The delay time setting is 100 - 200 ms.

The device can be screw-mounted or attached to a 35 mm DIN rail.

You will find a circuit diagram in section Time-delay device for undervoltage releases in chapter Accessories.