Ningbo Doto Electric Co., Ltd.
Ningbo Doto Electric Co., Ltd.
The Doto M7-63 3P miniature circuit breaker protects three-phase 400V circuits with a ganged orange handle that trips all poles simultaneously. It is a practical choice for motor feeders, pump panels and three-phase sub-distribution where a compact 3-module breaker with 6kA breaking capacity is sufficient. Current ratings span 1-63A with B/C/D tripping curves, insulation is rated 690V with 4kV impulse withstand, and the housing meets IP20 for panel mounting at -30 to +70 degrees C.
| Rated current (A) | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
|---|---|
| Pole | 3P |
| Breaker capacity | 6KA |
| Rated voltage | 230V/240V AC, 400V/415V AC |
| Rated frequency | 50/60Hz |
| Rated insulated voltage | 690V |
| Impulse withstand voltage | 4KV |
| Instantaneous tripping type | B/C/D |
| Mechanical endurance | 20000 cycles |
| Electrical endurance | 10000 cycles |
| Protection degree | IP20 |
| Wiring termination | 25 mm2 |
| Working temperature | -30°C to +70°C |
| Altitude above sea | 2000 m max. |
| Conformed standards | IEC/EN60898-1, IEC/EN60947-2 |
Get a quotation for Circuit Breaker MCB-M7-3P
Send us the model & quantity — our sales team replies within 24 hours with FOB / CIF price and lead time. OEM & custom specifications welcome.
Submit Inquiry →Send us your inquiry — quotation and reply within 24 hours.
Professional manufacturer of AC contactors, circuit breakers, capacitors, hour meters and counters. Factory-direct, CE & ROHS certified, exporting worldwide.
Search
WeChat
Top