Siemens Sentron 3VA, Руководство пользователя

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Accessories
4.2 Internal accessories
3VA molded case circuit breakers with UL and IEC certification
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Manual, 01/2019, L1V30435333-01
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:
● 230 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 customer-supplied supplementary capacitors:
As an alternative to screw mounting, the device can also be mounted on a 35 mm DIN rail.
You can find a circuit diagram for the time-delay device in chapter Circuit diagrams
(Page 385) or in the operating instructions.
4.2.7 COM060 communication module
You can find information about the COM060 communication module in chapter
Communication and system integration (Page 327).