Accessories
4.2 Internal accessories
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
209
4.2.6
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.
4.2.7
COM060 communication module
You can find information about the COM060 communication module in chapter
