Accessories
4.2 Internal accessories
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
209
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
The simple time-delay device with fixed delay setting is available for the following voltages:
● 110 V AC and 230 V DC
● 24 V DC
The default delay time is >100 ms as supplied, but can be extended by the customer with the
addition of supplementary capacitors:
The device can be screw-mounted or attached to a 35 mm DIN rail.
You can find a circuit diagram in chapter Circuit diagrams (Page 539) or in the operating
instructions.
COM060 communication module
You can find information about the COM060 communication module in chapter
Communication and system integration (Page 484).
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