3WA1120-2AB02-0AA0 popular precise ground-fault detection via the

precise ground-fault detection via the 3UL23 residual-current transformers

and for safe isolation of the system from the network

circuit breaker 3VM1 IEC frame 630 breaking capacity class N Icu=36kA @ 415V 3-pole

In=100 A overload protection Ir=40 A

3WA air circuit breakers replace the tried-and-tested 3WL series

3WA1120-2AB02-0AA0 popular precise ground-fault detection via theFixed mounted circuit breaker IEC 60947 2, frame size 1, 3 poles, In=2000A up to 690V AC 50 60Hz, breaking capacity N Icu=55 42kA at 500 690V, Trip unit ETU300 LSI optimized for standard applica tions, without display Protection LT, ST, INST, N protection required an external N sensor, incl. trip alarm switch (1xCO), rear connection horizontal, Air circuit breaker SENTRON 3WA as incoming feeder, tie, and outgoing feeder circuit breakers in electrical