Trade Discount 25%
MCB 1P 63A 10kA B Curve DIN Rail NB1-63H Chint
Chint NB1-63H 1P 63A MCB features 10kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: CHINT NB1-63H B63 MCB, 63A DIN Rail Circuit Breaker, Single-Pole Miniature Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Rated Current: 63A
- Poles: 1P
- Tripping Curve: B curve, 3–5 x In magnetic release range
- Rated Voltage: 230/400–240/415V AC
- Rated Frequency: 50/60Hz
- Breaking Capacity: 10kA
- Energy Limiting Class: 3
- Rated Impulse Withstand Voltage: 4kV
- Terminal Connection: Cable, U-type busbar or pin-type busbar
- Maximum Cable Terminal Size: 25mm²
- Protection Degree: IP20
- Mounting: 35mm DIN rail to EN 60715
- Power Loss: Up to 13W per pole, depending on operating current
- Dimensions (H x L x W): 86mm x 78mm x 18mm
- Weight: 0.11 kg
Key Features
- Thermal-magnetic overload and short-circuit protection
- B-curve tripping characteristic for general final-circuit protection
- 10kA rated short-circuit breaking capacity
- Single-pole modular design occupying approximately one DIN module
- DIN rail mounting with fast-clip installation
- Top or bottom connection suitable for cable and compatible busbar systems
- Contact position indicator for visual status checking
- Compatible with optional auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation, selection and testing should be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical requirements.
Applications
- Residential distribution boards
- Commercial switchboards
- General final circuits
- Lighting and socket-outlet circuits where a B-curve characteristic is suitable
- Protection of cables and electrical equipment against overload and short-circuit currents
Standards & Compliance
- AS/NZS 60898.1:2024 for circuit-breakers for overcurrent protection in household and similar installations
- AS/NZS 3000 for installation and wiring requirements
Environmental Benefits
- Thermal-magnetic protection can help prevent damage to wiring and equipment, extending service life
- Compact modular construction reduces switchboard material and space requirements
- Metal and thermoplastic components can be separated for appropriate end-of-life recycling where local facilities accept them
- RoHS-related product documentation is available for the NB1-63H series
Warranty Information
CHINT's general policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels; contract and local distributor terms may apply.
Available Now
Available through authorised CHINT distributors in Australia.
