Trade Discount 25%
MCB 1P 63A 6kA D Curve DIN Rail NB1-63 Chint
Chint NB1-63 1P 63A MCB features 6kA breaking capacity, D-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: 63A D Curve MCB, Single-Pole Circuit Breaker, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Poles: 1P
- Rated Current: 63A
- Rated Voltage: 230V AC for 1P applications
- Rated Frequency: 50/60Hz
- Breaking Capacity: 6kA
- Tripping Curve: D curve, 10–14 times rated current
- Protection Function: Overload, short-circuit and isolation protection
- Insulation Voltage: 500V
- Impulse Withstand Voltage: 4kV
- Energy Limiting Class: 3
- Terminal Capacity: 1–25mm²
- Terminal Tightening Torque: 2.0N·m
- Mounting: TH35-7.5 35mm DIN rail
- Connection: Top or bottom feed
- Ingress Protection: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 4,000 operations
- Operating Temperature: -5°C to +40°C
- Dimensions (H x L x W): 82mm x 75.5mm x 18mm
- Weight: 0.12 kg
Key Features
- Single-pole 63A circuit protection for low-voltage AC installations
- D-curve thermal-magnetic release characteristic for high-inrush loads
- 6kA rated short-circuit breaking capacity
- Compact 18mm modular width for standard distribution boards
- DIN rail mounting for residential, commercial and light industrial switchboards
- Top or bottom cable feed for installation flexibility
- Compatible with selected auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation, testing and commissioning should be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical requirements.
Applications
- Domestic distribution boards
- Commercial switchboards
- Light industrial control and distribution panels
- Circuits supplying motors, transformers and other high-inrush loads
- Overload and short-circuit protection in low-voltage AC installations
Standards & Compliance
- AS/NZS 60898.1 for circuit-breakers for overcurrent protection in household and similar installations
- IEC/EN 60898-1
- Listed CHINT NB1-63 variants carry Australian SAA/Global-Mark conformity certification and RCM approval requirements
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and product waste
- Metal and thermoplastic components may be recoverable through appropriate electrical and e-waste recycling streams
- Thermal-magnetic protection helps limit fault damage to connected equipment and reduce avoidable replacement waste
Warranty Information
Warranty coverage is subject to the CHINT Australia or authorised distributor sales terms; retain proof of purchase and installation records for any manufacturing-defect claim.
Available Now
Available through authorised CHINT distributors in Australia.
