Circuit breaker LZM1 4-pole Ir=100-125A LZMC1-4-A125-I 111916

Power switch – reliable protection for electrical installations

The LZM1 4-pole power switch with a rated current of 100-125A (model LZMC1-4-A125-I) is a solid and reliable device designed to protect electrical circuits against overloads and short circuits. The device's construction, based on fixed mounting, ensures stability and safe operation in various conditions. The rated short-circuit breaking capacity of 36kA at 400V, 50Hz guarantees an effective response in emergency situations, minimizing the risk of damage and fires.

Functionality and application

This switch finds wide application in electrical installations of residential, commercial and industrial buildings. Thanks to the optional mounting on a DIN TH rail, its installation is flexible and adapted to different needs. The frame terminal facilitates the connection of main conductors, and the location of the connections on the front side provides convenient access during installation and maintenance. The device is supplied with a protective device included, which further increases the level of safety.

Characteristics and benefits

• High short-circuit breaking capacity: 36kA at 400V, 50Hz ensures a quick and effective response in the event of a short circuit.
• Wide range of rated voltage: 690…690 V allows for use in various installations.
• Installation flexibility: Possibility of mounting on a DIN TH rail facilitates integration with existing electrical infrastructure.
• Solid construction: The fixed-mounted device guarantees stability and long-term reliability.
• Adapted to high inrush currents: Setting range of the short-circuit release 750…1250 A allows for trouble-free starting of devices with motors or other elements generating high surge currents.
• Precise adjustment: Setting range of the overload release 100…125 A allows adaptation to the specific requirements of the circuit.
• Safety of use: Protection class IP20 protects against accidental contact and environmental influences.
• Lever actuator: Provides intuitive operation and quick switching off if necessary.