Trade Discount 25%
MCB 2P 63A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 2P 63A MCB features 10kA breaking capacity, C-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: 2P MCB, Double-Pole Circuit Breaker, DIN Rail MCB, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Rated Current: 63 A
- Number of Poles: 2P
- Tripping Curve: C curve, 5–10 times rated current
- Rated Voltage: 230/400–240/415 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 10 kA
- Service Breaking Capacity: 7.5 kA
- Rated Insulation Voltage: 500 V
- Rated Impulse Withstand Voltage: 4 kV
- Energy Limiting Class: 3
- Protection Rating: IP20
- Terminal Capacity: Up to 25 mm²
- Terminal Tightening Torque: 2.5 N·m
- Electrical Life: Up to 10,000 operations
- Mechanical Life: Up to 20,000 operations
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Compatible Accessories: Auxiliary contact, alarm contact, shunt release and under-voltage release
- Dimensions (H x L x W): 86mm x 36mm x 78mm
- Weight: 0.22 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit currents
- C-curve response suitable for mixed resistive and inductive loads with moderate inrush current
- 10 kA rated short-circuit breaking capacity
- Two-pole modular construction for DIN rail distribution boards
- Top or bottom cable connection
- Contact position indication
- Compatible with auxiliary and release accessories
- Suitable for domestic, commercial and industrial distribution applications
Professional Installation Requirements
- Installation and connection to mains electrical circuits must be carried out by a licensed electrical contractor in accordance with AS/NZS 3000 and applicable local requirements. Confirm fault levels, discrimination, enclosure suitability and local approval requirements before installation.
Applications
- Domestic consumer units and distribution boards
- Commercial switchboards
- Industrial control and distribution panels
- Protection of mixed resistive and inductive final circuits
- Overload and short-circuit protection in low-voltage AC systems
Standards & Compliance
- Manufacturer-specified IEC/EN 60898-1
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for comparable household and similar AC circuit-breakers; confirm this product's Australian approval and RCM status before installation
- Installation selection and wiring should comply with AS/NZS 3000
Environmental Benefits
- Modular DIN rail construction allows replacement of the protective device without replacing the complete distribution board
- Long mechanical service life can reduce replacement frequency and associated material waste
- Metal and thermoplastic components may be recoverable for recycling at end of life where suitable local facilities accept them
Warranty Information
CHINT's general warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable sales contract and warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
