3UG4641 cos phi and active current monitoring relay
11.3 Functions
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
295
Function diagrams 3UG4641 (cos phi monitoring)
Memory = no
Relay switching behavior = NC (closed-circuit
principle)
Memory = no
Relay switching behavior = NO (open-circuit
principle)
cos φ = currently set value for cos φ
PF = power factor = set threshold for cos φ
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