16A 1 Pole B Curve 6KA MCB (NB1‑63B1P16)
16A 1 Pole B Curve 6KA MCB (NB1‑63B1P16)
SKU:NB1-63B1P16
Brand: CHINT
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Product Details
Product Details
The 16A 1 Pole B Curve 6KA MCB (SKU NB1‑63B1P16) from CHINT is a reliable miniature circuit breaker designed to protect your electrical circuits from overload and short-circuit faults. Built to meet industrial standards, this compact MCB delivers dependable protection for single-phase installations, making it an excellent choice for domestic, commercial, and light industrial use.
Engineered with a B-curve tripping characteristic, this breaker responds quickly to overcurrent conditions typically found in lighting, heating, and other resistive loads. The 16 amp rated current and 6kA breaking capacity ensure it can disconnect faulty circuits safely under high-fault conditions.
Mounting on a standard DIN rail makes installation fast and secure, whether you are upgrading a consumer unit or expanding an electrical distribution board. The unit operates on 230/400V AC systems, offering versatility across a range of UK electrical environments. Its robust yet compact design helps save panel space while maintaining high performance.
The clearly marked ON/OFF switch makes operation intuitive, and the device’s construction meets essential safety standards for circuit protection. With a single pole configuration, this MCB protects one live conductor while isolating the circuit in the event of a fault.
Whether you are a professional electrician or a DIY installer, the CHINT NB1‑63B1P16 offers peace of mind through solid performance and consistent safety. Ideal for lighting circuits, general power outlets, and small appliance circuits, this breaker combines quality with value in a trusted brand package.
Product Specifications
Product Specifications
Electrical Specifications
- Model: NB1-63B1P16
- Rated Current (In): 16A
- Number of Poles: 1P
- Tripping Curve: B Curve (3-5 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: 3.5W
- 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
- Overall 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 operation cannot be defeated by holding the operator in the "ON" position.
- Advanced Cooling: Designed with a heat dissipation gap to provide better cooling during operation.
- Visual Monitoring: Equipped with a color-coded contact position indicator that provides visual confirmation of the device status and insulation function.
- Flexible Installation: Features an extendable DIN-rail holder for easy installation and terminals that accept both wire and busbar connections for reduced installation costs.
Standards & Compliance
- Standard: IEC/EN 60898-1
- Certification: CE Marked, ASTA Licensed, VDE, KEMA, SEMKO, RCC, UL Verified
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