Accessories
4.8 Residual current devices
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
455
Tripped display
If the residual current device is tripped by a residual current, a remote trip command or
actuation of the test button, the trip is signaled mechanically on the RCD, i.e. by a rotating
disk.
①
Residual current device is operating nor-
mally and has not tripped
②
Residual current device has tripped
Note
In the case of infeed from below, an auxiliary switch must be connected by means of
auxiliary contacts CB-S to ensure correct functioning of the tripped display (for description,
see auxiliary contacts CB-S).