CHINT LMI-XB Mechanical Interlock

CHINT LMI-XB Mechanical Interlock,
is designe to ensure that two main circuits cannot be operated simultaneously.
It combines two-stage (or multi-stage) circuit breakers with an interlock conversion mechanism for safe manual switching between power sources.
Suitable for residential, commercial, and industrial applications, such as hotels, offices,
and shopping centers, it enhances system safety by preventing short-circuits or parallel connections.
The compact 9 mm design, wide –35 °C to +70 °C temperature range, and simple DIN-rail installation make it reliable and easy to use

• Function: Prevents simultaneous operation of dual or multiple power supplies; ensures safe manual switching between main circuits
• Typical Applications: Homes, hotels, business clubs, shopping malls, and industrial power systems
• Operating Temperature Range: –35 °C to +70 °C
• Altitude: ≤ 3000 m
• Humidity Conditions: ≤ 50 % RH at +40 °C and ≤ 90 % RH at +20 °C
• Pollution Degree: Grade 2
• Installation Category: Class II and III
• Pole Number: 1 P
• Product Width: 9 mm
• Mechanical Interlock Type: Manual switching of dual power supply
• Assembly Method: Between two or more stage circuit breakers (1 P, 2 P, 3 P, 4 P NXB-63 / NXB-63H series)
• Mounting Type: DIN-rail installation
• Overall and Mounting Dimensions (mm): 79 × 66 × 45
• Housing Material: High-strength, flame-retardant engineering plastic