JCB3 Series DC solar MCB Miniature Circuit Breaker

Short Description:

JCB3-80DC series circuit breakers are suitable for DC 50Hz or 60Hz, rated voltage DC250V(1P), DC500V(2P), DC750V(3P), DC1000V(4P), rated current 1A-63A, breaking capacity 6KA. It is mainly used for overload and short circuit protection of solar energy, small power generation system, bus box and other communications,Photovoltaic systems, other DC systems, facilities and electrical equipment of the transmission and distribution system. It can also be used for infrequent circuit conversion under normal conditions.

Product Detail

Product Tags


  • Rated voltage DC250V, DC500V, DC700V, DC1000V, which are suitable for photovoltaic solar systems and other DC systems.
  • The shell and function keys are made of imported PA nylon with high flame retardant. high temperature resistance and impact resistance
  • It's shape is novel, it is structure is reasonable and many patent protection
  • Current-limiting contact system, magnetic blown arc extinguishing device, avoid products and equipment to withstand large short-circuit current, improve product arc extinguishing ability to ensure the improvement of breaking capacity.
  • Guide rail style installation: Guide rail type installation easy and convenient
  • Provide customized service: We can customize the best voltage and current, according to the size of a photovoltaic system
  • High quality, innovative technology, strict testing, lean production and improve efficiency


  • Non-polarity
  • High short-Circuit/Breaking Capacity
  • Function: Over-load, Short-Circuit,Unfrequented Operation and Anti-ref lux Protection
  • Rated Voltage:DC250V, DC500V, DC700V, DC1000V
  • Rated Current:1A-63A
  • Breaking Capacity:6KA
  • Classification:1 pole,2 pole,3 pole,4 pol
  • Ingress Protection:IP20
  • Terminal Cross Section:2.5-25mm
  • Working Temperature:-25℃~+70℃
  • Storage Temperature:-40℃~+85Temperature:
  • Standard:IEC60947-2,GB14048-2



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