LMI-12 Mechanical Interlock Datasheet & Manual

LMI-12 Mechanical Interlock

The LMI-12 Mechanical Interlock enhances electrical safety by preventing two main circuits from operating simultaneously, effectively safeguarding against overload and fire risks. This essential accessory is specifically designed for use with NXB-125 / DZ158-125 circuit breakers to ensure reliable manual switching of dual power supplies. It's a versatile solution ideal for ensuring secure and compliant power management in diverse environments, including residential homes, commercial buildings, hotels, shopping malls, and solar (PV) and energy storage systems.

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FAQs

What is the main function of the LMI-12 Mechanical Interlock?

It ensures that two power circuits cannot be operated simultaneously, allowing safe manual switching between main and backup power sources.

Where can the LMI-12 be used?

The interlock is ideal for residential, commercial, and light industrial applications where dual power systems are employed, such as hotels, offices, and retail centers.

How is the LMI-12 installed?

It is mounted between two-stage or multi-stage circuit breakers using a DIN rail.

What are its environmental operation limits?

The LMI-12 performs reliably in temperatures from –35°C to +70°C, at altitudes up to 3000 m, and under relative humidity up to 90% at +20°C.

Why choose the LMI-12?

It offers compact construction, wide environmental tolerance, and compatibility with NXB-125 series breakers, providing safe, cost-effective mechanical isolation between dual power sources

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