Resetting the Circuit Breaker

Resetting Conditions

After a trip, the circuit breaker must be reset before closing it.

Resetting is possible in all control modes.

The circuit breaker can be reset in different ways, according to the circuit breaker configuration and its accessories:

Type of resetting	Accessories	Resetting action
Mechanical with the blue fault-trip reset button	–	Push in the blue fault-trip reset button on the front of the circuit breaker. This resetting action is always possible. Pushing in the blue fault-trip reset button resets the SDE fault-trip indication contact, and allows the circuit breaker to be closed.
Automatic (RAR automatic reset option)	oXF communicating or standard closing voltage release oIsolation module oMCH gear motor	After a trip, RAR automatic reset allows the circuit breaker to be closed without the blue fault-trip reset button being pushed in. The use of XF closing voltage release is compulsory with this option. The mechanical indicator and the SDE fault-trip indication contact remain in detected fault position. To reset the SDE fault-trip indication contact and the mechanical indicator, push in the blue fault-trip reset button.
Electrical with external pushbutton	oExternal pushbutton wired by customer oRES electrical remote reset oXF communicating or standard closing voltage release oIsolation module oMCH gear motor	Press the external pushbutton which is connected to the RES electrical remote reset via the customer terminal block. The use of XF closing voltage release is compulsory with this option. The RES electrical remote reset resets the SDE fault-trip indication contact and the mechanical indicator, and allows the circuit breaker to be closed. NOTE: The RES electrical remote reset is not compatible with the SDE2 option.

Type of resetting

Accessories

Resetting action

Mechanical with the blue fault-trip reset button

–

Push in the blue fault-trip reset button on the front of the circuit breaker. This resetting action is always possible. Pushing in the blue fault-trip reset button resets the SDE fault-trip indication contact, and allows the circuit breaker to be closed.

Automatic (RAR automatic reset option)

oXF communicating or standard closing voltage release

oIsolation module

oMCH gear motor

After a trip, RAR automatic reset allows the circuit breaker to be closed without the blue fault-trip reset button being pushed in. The use of XF closing voltage release is compulsory with this option.

The mechanical indicator and the SDE fault-trip indication contact remain in detected fault position.

To reset the SDE fault-trip indication contact and the mechanical indicator, push in the blue fault-trip reset button.

Electrical with external pushbutton

oExternal pushbutton wired by customer

oRES electrical remote reset

oXF communicating or standard closing voltage release

oIsolation module

oMCH gear motor

Press the external pushbutton which is connected to the RES electrical remote reset via the customer terminal block.

The use of XF closing voltage release is compulsory with this option.

The RES electrical remote reset resets the SDE fault-trip indication contact and the mechanical indicator, and allows the circuit breaker to be closed.

NOTE: The RES electrical remote reset is not compatible with the SDE2 option.