3UG4.1 line monitoring relay
6.4 3UG4513 line monitoring relay
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
123
The device features an autoreset that resets the output relays to their original state after an
error message and rectification of the fault that has occurred.
Note
The red LED is a fault diagnostics display and does not indicate the current state of the
relay!
Function diagrams 3UG4513
Phase failure and undervoltage
LED phase failure / phase sequence: Red
LED phase failure / phase sequence: Red
Phase failure
②
Phase sequence
Tripping delay time
Hysteresis
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