LMQ4-M MCB Type ATS Automatic Transfer Switch
Rated current: 6、10、16、20、25、32、40、50、63、80、100、125
Rated voltage:AC 230V、AC400V、AC690V
Rated frequecy:50/60Hz
Control voltage:220V
Changeover time:1.5~3s
The LMQ4-M is a CB-class automatic transfer switch with built-in overload and short-circuit protection. It consists of a circuit breaker, actuator, and controller, and conforms to IEC standards. Its core function is to monitor the status of the main and backup power supplies, automatically switching to ensure continuous power supply in case of abnormalities. It supports both automatic and manual operation, has a rated current of 6A-125A, and a switching time of ≤3s, making it suitable for scenarios such as office buildings and homes where power supply safety and reliability are critical.
| Product Model | LMQ4-M | |
| Pole | 2P | 4P |
| Rated Current Ie: A | 6、10、16、20、25、32、40、50、63、80、100、125 | |
| Insulation Voltage Ui | AC690V 50/60HZ | |
| Rated Voltage Ue | AC230V | AC400V |
| Grade | CB Class | |
| Rated impulse withstand voltage | 4KV | |
| Rated short circuit making capacity Icm | 6 KA | |
| Rated short circuit breaking capacity Icn | 4.5 KA | |
| Electrical Life | 2000times | |
| Mechanical Life | 5000times | |
| Controller | Type A(basic type) | |
| Control Circuit Us | AC230V 50/60HZ | |
| Operating transfer time (no time delay) | <3s | |
wiring diagram

Installation Dimensions

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