Front Face Description

Front Face

The main controls, operation indicators, settings, and locking mechanisms are on the front of an electrically operated circuit breaker (with motor mechanism).

For more information about motor mechanism installation, consult the instruction sheets on the Schneider Electric website:

GHD16272AA ComPact NSX100-250 Motor Mechanism
GHD16318AA ComPact NSX400-630 Motor Mechanism

Main Contacts Position Indicator

Indicator	Description
	The circuit breaker is closed.
	The circuit breaker is open or tripped.

NOTE: Use the SD or SDE switch to distinguish the Trip position from the O (OFF) position.

Control Charge Indicator

Indicator	Description
	Stored energy control charged
	Stored energy control discharged

NOTE: Stored energy control only provides the necessary energy to close the circuit breaker. The circuit breaker mechanism supplies the energy for tripping.

Manu/Auto Selector

The Manu/Auto selector is used to select operating mode:

In automatic operating mode, only electrical commands are executed.
In manual operating mode, all electrical commands are disabled.