Trade Discount 25%
MCB 2P 6A 10kA D Curve DIN Rail NB1-63H Chint
Chint NB1-63H 2P 6A MCB features 10kA 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: CHINT NB1-63H MCB, 2P 6A Circuit Breaker, DIN Rail MCB, D-Curve Miniature Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Number of Poles: 2P
- Rated Current: 6 A
- Tripping Characteristic: D curve, 10–20 times rated current
- Rated Voltage: 400/415 V AC for 2-pole configuration
- Rated Frequency: 50/60 Hz
- Rated Short-Circuit Breaking Capacity: 10 kA
- Protection Function: Thermal-magnetic overload and short-circuit protection
- Energy Limiting Class: 3
- Rated Insulation Voltage: 500 V
- Rated Impulse Withstand Voltage: 4 kV
- Protection Degree: IP20
- Mounting: 35 mm DIN rail to EN 60715
- Connection: Top or bottom feed
- Terminal Type: Cable, U-type busbar or pin-type busbar
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Reference Temperature: 30 °C
- Operating Temperature: -35 °C to +70 °C
- Dimensions (H x L x W): 86mm x 78mm x 36mm
- Weight: 0.22 kg
Key Features
- 2-pole protection and circuit isolation
- D-curve thermal-magnetic protection for circuits with high inrush currents
- 10 kA short-circuit breaking capacity
- Suitable for residential, commercial and light industrial distribution boards
- Compact modular design for 35 mm DIN rail installation
- Top or bottom connection capability
- Visible contact position indication
- Compatible with auxiliary, alarm, shunt-release and under-voltage accessories
Professional Installation Requirements
- Installation, wiring and maintenance must be carried out by a licensed electrician with the supply isolated, in accordance with the manufacturer's instructions and AS/NZS 3000 requirements.
Applications
- Residential distribution boards
- Commercial switchboards
- Light industrial control panels
- Protection of circuits supplying motors, transformers and other high-inrush loads
- Overload and short-circuit protection for low-voltage AC circuits
Standards & Compliance
- IEC/EN 60898-1 product standard
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for AC miniature circuit breakers; confirm approval for the exact imported variant before installation
- Installation should comply with AS/NZS 3000
Environmental Benefits
- Metal and thermoplastic components can be separated and directed to appropriate recycling streams at end of life
- RoHS-related documentation is available for the NB1-63H range, supporting restricted-substance compliance
- Long mechanical and electrical service life can reduce replacement frequency and associated material waste
- Protects connected equipment and wiring from fault damage, potentially reducing premature equipment replacement
Warranty Information
CHINT low-voltage product warranty is generally 24 months from the date of manufacture under normal storage and transport conditions, subject to exclusions for misuse, unauthorised repair and force majeure. Confirm terms with the authorised distributor.
Available Now
Available through authorised CHINT distributors in Australia.
