Name: LMI-12 Mechanical Interlock
Brand: Chint

LMI-12 Mechanical Interlock

The CHINT LMI-12 Mechanical Interlock is designed to ensure the safe and reliable manual switching of dual power supplies. It prevents two main circuits from being operated simultaneously, reducing the risk of electrical faults. Suitable for residential, commercial, and industrial environments such as hotels, shopping malls, and offices, the LMI-12 offers a compact 9 mm design, wide –35°C to +70°C temperature range, and easy DIN-rail installation for dependable operation in low-voltage distribution 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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LMI-12 Mechanical Interlock

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