NB1-63H CHINT MCB Miniature Circuit Breaker

The CHINT NB1-63 MCB Miniature Circuit Breakers, suitable for use in domestic, commercial, and industrial electrical distribution systems, serve multiple functions. These include protecting circuits from short-circuit and overload currents, as well as functioning as a switch and an isolation device.

With a robust 6kA breaking capacity, these MCBs adhere to IEC/EN 60898-1 standards. Additionally, they have an impressive 10kA breaking capacity (Icu=10kA) as per IEC/EN 60947-2 regulations.

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Features of NB1-63H CHINT MCB Miniature Circuit Breaker

  • Impressive Breaker Performance: Demonstrates a remarkable breaking capacity, ensuring reliable protection.
  • Versatile Dual Connection: Features a dual connection function for lead wires and bus bars, providing enhanced flexibility.
  • Efficient Energy Storage Operation: Utilizes energy storage for swift closing, resulting in a longer service life.
  • User-Friendly Installation and Disassembly: Offers convenient installation and disassembly, promoting ease of use.
  • Clear On-Off Indication: Provides a clear indication of contact status, contributing to heightened security.
  • Environmentally Conscious and Energy-Efficient: Prioritizes eco-friendly practices and energy conservation.

Specification of NB1-63H CHINT MCB Miniature Circuit Breaker

  • Ambient temperature:-35℃~+70℃(Refer to 5.3)
  • The atmosphere condition:≤95%
  • Pollution degree:II
  • Altitude:≤2000m(if exceed 2000m,Refer to 5.4)
  • Rate Current In: 1A,2A,3A,4A,6A,10A,13A,16A,20A,25A,32A,40A,50A,63A
  • Number of poles: 1P,2P,4P
  • Tripping curves: C Type,(7~10)In
  • Electrical and mechancial life
  • Electrical life:> 1500
  • Mechancial life:>20,000
  • Rated impulse withstand voltage Uimp:4KV