Auxiliary contact Hager MZ201 white for modular circuit breakers and contactors

Hager MZ201 white auxiliary contact is an add-on accessory designed for modular circuit breakers and contactors to provide an additional switching contact for monitoring and control purposes. The compact white module attaches to compatible Hager devices to transmit the open/closed state of the main contacts, enabling remote signalling, interlocking and integration with control circuits in distribution boards or automation panels.

Advantages

The auxiliary contact provides reliable feedback on contactor or breaker position without altering the primary switching function. Its compact form factor and white finish allow discreet mounting within distribution enclosures. Installation is tool-friendly and it is designed to mate with Hager modular equipment for secure mechanical and electrical connection. This accessory supports improved system monitoring and safer maintenance procedures by enabling remote indication of device state.

Suitable for

Key specifications

How to use

Fit the auxiliary contact onto the designated mounting point of a compatible modular circuit breaker or contactor following the device manufacturer’s instructions. Ensure the main device is isolated from supply before installation. Once mounted, connect the auxiliary contact terminals into the control or signalling circuit to receive changes in contact position. Verify correct operation by actuating the main device and observing the transmitted status signal.

Recommendations

Use the auxiliary contact only with compatible Hager modular devices and within the electrical ratings specified by the primary equipment. For safety, isolate power and follow relevant wiring standards during installation and maintenance.