48
6LE007331A
Circuit breaker operation
5.2 Circuit breaker closure
Action
Illustration
3
Close the circuit breaker
by pressing the closing
push button
.
4
The indicators change
status.
5
The standby screen lights
up on the display and the
ReadyToProtect indicator
flashes, indicating that the
trip unit is operational.
1
ReadyToProtect indicator
1
ATTENTION
The circuit breaker must be energised and a current of at least 120 A must be available on
one pole or distributed over the 3 poles for the trip unit screen to light up and for the latter
to be fit to perform its protection functions.
