CHINT · Mechanical interlock
Product overview
The CHINT LMI-12 is a mechanical interlock accessory for the documented circuit-breaker assembly. It is used where two associated main circuits must not operate simultaneously.
Technical selection summary
| Exact model | LMI-12; manufacturer accessory reference391932 |
|---|---|
| Matched family reference | NXB-125 accessory group in the manufacturer table; verify exact breaker and pole/handle construction |
| Function | Mechanical mutual exclusion of the associated circuit-breaker operating positions |
| Operating scope | Manual mechanical arrangement; no voltage-sensing or automatic-transfer controller is established by this accessory |
| Fit / installation | Use the manufacturer outline and approved paired-breaker assembly |
| Main-circuit rating | Determined by the correctly selected breakers; an interlock is not an independent protective breaker |
Confirm handle travel, spacing, mounting and the complete approved combination. Do not treat mechanical interlocking alone as an automatic transfer switch or as electrical protection.
Typical applications
- Matched low-voltage distribution and control assemblies
- Replacement procurement using exact manufacturer codes and mounting drawings
Specify your enquiry
For a focused quotation, include:
- LMI-12 and both complete breaker codes, poles and quantity
- Required interlock arrangement, handle spacing and assembly drawing
Download CHINT LMI-12 manufacturer catalogue (PDF)
Product reference images and drawings
Match the exact accessory and approved circuit-breaker assembly. Retained family references may show other constructions.
