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A complete range of low voltage electrical products — AC contactors, circuit breakers, relays, meters and accessories — engineered for reliable performance in global markets.
Circuit Breaker MCB-M8-3P
Circuit Breaker

Circuit Breaker MCB-M8-3P

The Doto M8-63 3P miniature circuit breaker provides three-pole protection for 400V three-phase distribution and small motor circuits, with all poles tripping together through the ganged yellow handle. It keeps the family specification of 1-63A currents, B/C/D curves, 6kA breaking capacity, 690V insulation voltage and 4kV impulse withstand. The 3-module DIN-rail body is IP20 rated for -30 to +70 degrees C service and is certified to IEC/EN60898-1 and IEC/EN60947-2 for worldwide panel use.

✔ CE ✔ IEC 60947 ✔ OEM Available

Technical Specifications

Rated current (A)1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Pole3P
Breaker capacity6KA
Rated voltage230V/240V AC, 400V/415V AC
Rated frequency50/60Hz
Rated insulated voltage690V
Impulse withstand voltage4KV
Instantaneous tripping typeB/C/D
Mechanical endurance20000 cycles
Electrical endurance10000 cycles
Protection degreeIP20
Wiring termination25 mm2
Working temperature-30°C to +70°C
Altitude above sea2000 m max.
Conformed standardsIEC/EN60898-1, IEC/EN60947-2

Circuit Breaker MCB-M8-3P

Circuit Breaker MCB-M8-3P - photo 2

Circuit Breaker MCB-M8-3P - photo 3

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Ningbo Doto Electric Co., Ltd.

Professional manufacturer of AC contactors, circuit breakers, capacitors, hour meters and counters. Factory-direct, CE & ROHS certified, exporting worldwide.

Contact

  • Tel. 0086-574-81859726
  • Mobile 0086-130-7191-2583
  • Email Nanna@doto-cn.com
  • No.99 Jinchuan Road, Jiaochuan Street, Zhenhai District, Ningbo, Zhejiang, China
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