User Manual
3UG458. insulation monitoring relay.
10.3 3UG4581 insulation monitoring relay
3UG4 / 3RR2 monitoring relays
220 Manual, 02/2013, NEB927043002000/RS-AA/002
10.3.6 Characteristics
Characteristic curves of the 3UG4581 insulation monitoring relays
The characteristics below show the load limit curves of the 3UG4581 insulation monitoring
relays.
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9
8
Figure 10-5 AC load (resistive)
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9
8
Figure 10-6 DC load (resistive)
FRV˳
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Figure 10-7 Reduction factor F in the case of inductive AC load