CHINT DC MCB

NB1-63DC CHINT DC MCB

The CHINT NB1-63 DC MCB is specifically designed with a C-curve (5-10In) tripping characteristic, these MCBs are tailored for the protection of resistive and inductive loads with low inrush currents. They come in a 1-pole configuration, operating at 13A, and feature a fork type busbar connection from below.

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 NB1-63DC CHINT DC MCB

  • Impressive Breaking Capacity: Demonstrates remarkable breaking capacity for reliable protection.
  • Dual Connection Function: Features a dual connection function for lead wires and bus bars, enhancing flexibility.
  • Efficient Stored Energy Operation: Utilizes stored energy operation for swift closing, resulting in a longer service life.
  • User-Friendly Installation and Disassembly: Offers convenient installation and disassembly for user convenience.
  • Clear On-Off Indication: Provides a clear indication of contact status, contributing to heightened security.
  • Environmental-Friendly and Energy-Efficient: Prioritizes eco-friendly practices and energy conservation.

Specification of NB1-63DC CHINT DC MCB

  • Ambient Temperature Range: -35℃ to +70℃ (Refer to 5.3)
  • Atmosphere Condition: ≤95%
  • Pollution Degree: II
  • Altitude: ≤2000m (For altitudes exceeding 2000m, refer to 5.4)
  • Rated 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 Mechanical Life:
    • Electrical Life: > 1500 cycles
    • Mechanical Life: > 20,000 cycles
  • Rated Impulse Withstand Voltage (Uimp): 4KV

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