0614IB1702

Resetting Masterpact MTZ Devices

Conditions Required to Reset

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

Resetting is possible in all control modes.

Resetting the Masterpact MTZ1 Mechanism

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

Type of Resetting

Accessories

Resetting Action

Mechanical

Push in the fault-trip reset pushbutton on the front of the device. This resetting action is always possible. Pushing in the fault-trip reset pushbutton resets the overcurrent trip switch (SDE), and allows the device to be closed.

Automatic
(RAR automatic reset)


Communicating (XF diag&com) or standard (XF) shunt close


After a trip, RAR automatic reset allows the device to be closed without the fault-trip reset pushbutton being pushed in. The use of shunt close (XF) is required with this option.

The mechanical indicator and the overcurrent trip switch (SDE) remain in detected fault position.

To reset the overcurrent trip switch (SDE) and the mechanical indicator, push in the fault-trip reset pushbutton

Spring charging motor (MCH)

External Pushbutton
(RES electrical remote reset)


External pushbutton


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

The use of a shunt close (XF) is required with this option.

The electrical remote reset (RES) resets the overcurrent trip switch (SDE) and the mechanical indicator, and allows the device to be closed.

NOTE: The electrical remote reset (RES) cannot be installed if SDE2 is already installed.

Electrical remote reset (RES)


Communicating (XF diag&com) or standard (XF) shunt close

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