Circuit-breaker
3WN
The incoming feeder, outgoing feeder and coupling units
of the circuit-breaker technology are fitted with withdrawable
or fixed circuit-breakers 3WN.
Compact and
reliable
High reliability through type-tested standard modules
(TTA)
Rated current range from 630 to 6300 A
Test and isolated position with closed door
Switches integrated in separate compartments with
their own compartment door
Optimum terminal conditions for all rated current
ranges
Cable connection from top or bottom
Free choice of feeder direction without restrictions
of technical data
High short-time current load rating for time-discriminating
short-circuit protection up to 500 ms ensures reliable
operation of the plant components not affected in
the event of a short-circuit
Short-circuit protection with time-reduced selectivity
control for extremely short delay times (50 ms)
LCD operating current display on the operator's
panel (without ammeter and current transformer)
