Ningbo Doto Electric Co., Ltd.
Ningbo Doto Electric Co., Ltd.
The Doto M8-63 4P miniature circuit breaker switches three phases and neutral with a single yellow handle for total isolation of 400V four-wire circuits. Typical duties include main incomers of apartment boards, heating and HVAC feeders, and any load where the neutral must be broken for safe servicing. It carries the full M8 specification: 1-63A, B/C/D curves, 6kA capacity, 690V insulation, IP20 housing and -30 to +70 degrees C operation, certified to IEC/EN60898-1 and IEC/EN60947-2.
| Rated current (A) | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
|---|---|
| Pole | 4P |
| 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 |
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Professional manufacturer of AC contactors, circuit breakers, capacitors, hour meters and counters. Factory-direct, CE & ROHS certified, exporting worldwide.
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