63A 1 Pole C Curve 6KA MCB (NB1-63C1P63)
63A 1 Pole C Curve 6KA MCB (NB1-63C1P63)
SKU:NB1-63C1P63
Brand: CHINT
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Product Details
Product Details
The 63A 1 Pole C Curve 6KA MCB (Miniature Circuit Breaker) from Chint delivers reliable protection for single-phase electrical circuits. Designed to safeguard wiring and appliances from overload and short-circuit faults, this high-quality breaker is ideal for domestic, commercial and light industrial installations.
This compact breaker features a 63 ampere rating with a C-curve tripping characteristic, giving dependable performance for circuits with moderate inrush currents such as lighting, sockets and small motors. It has a 6 kiloampere (6kA) breaking capacity that meets robust safety standards, making it suitable for typical consumer units and distribution boards.
Constructed with a durable plastic housing and designed for DIN rail installation, this breaker is easy to fit into standard electrical panels. Its IP20 protection rating offers basic resistance against accidental contact with live parts. Operating comfortably in ambient temperatures from -5°C to +40°C, it maintains reliable functioning across a wide range of environments.
With a compact modular width of 18mm per pole and the ability to accept cables up to 25mm², the NB1-63C1P63 balances space-saving design with strong electrical performance. Whether you are upgrading a consumer unit, protecting circuits in a renovation or building out new mains distribution, this MCB delivers efficient circuit protection you can trust.
Product Specifications
Product Specifications
Electrical Specifications
- Model: NB1-63C1P63
- Rated Current (In): 63A
- Number of Poles: 1P
- Tripping Curve: C Curve (5-10 In)
- Rated Voltage (Ue): 230/400V AC
- Rated Frequency: 50/60Hz
- Rated Short-circuit Capacity (Icn): 6,000A (6kA)
- Rated Insulation Voltage (Ui): 500V
- Rated Impulse Withstand Voltage (Uimp): 4,000V (4kV)
- Energy Limiting Class: 3
- Power Loss per Pole: 5W
- Release Type: Thermo-magnetic
Mechanical & Installation Data
- Mounting: 35mm DIN Rail (EN 60715) via fast clip device
- Terminal Connection Type: Cable / U-type busbar / Pin-type busbar
- Terminal Size (Cable): Up to 25mm² (18-4 AWG)
- Terminal Size (Busbar): Up to 10mm² (18-8 AWG)
- Tightening Torque: 2.5 N·m (22 In-lbs)
- Connection Direction: From top and bottom
- Electrical Life: 4,000 operations
- Mechanical Life: 20,000 operations
- Protection Degree: IP20
- Contact Position Indicator: Yes (Color-coded visual indication)
Environmental Specifications
- Ambient Operating Temperature: -5°C to +40°C (Daily average ≤ 35°C)
- Storage Temperature: -25°C to +70°C
- Reference Temperature for Tripping: 30°C
- Pollution Degree: 2
Dimensions
- Width: 18mm (1 module)
- Height: 86mm
- Depth: 78mm
Key Features
- Versatile Application: Suitable for domestic installations as well as commercial and industrial electrical distribution systems.
- Integrated Safety: Features a trip-free mechanism, ensuring the device cannot be defeated by holding the operator in the "ON" position.
- Efficient Design: Includes a heat dissipation gap for better cooling and an extendable DIN-rail holder for easy installation and removal.
- Visual Monitoring: Equipped with a color-coded contact position indicator that provides visual confirmation of the device status and insulation function.
- System Compatibility: Designed to accept both wire and busbar connections for reduced installation costs and increased efficiency.
Standards & Compliance
- Standard: IEC/EN 60898-1
- Certification: CE Marked, ASTA Licensed, VDE, KEMA, SEMKO Verified
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