Trade Discount 25%
MCB 1P 20A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 1P 20A 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: CHINT NB1-63H C20 MCB, 1P C20 Circuit Breaker, DIN Rail Miniature Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Poles: 1P
- Rated Current: 20 A
- Trip 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
- Energy Limiting Class: 3
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 6 kV
- Dielectric Test Voltage: 2 kV for 1 minute
- Terminal Capacity: Up to 25 mm² cable
- Busbar Compatibility: Cable, U-type busbar and pin-type busbar
- Terminal Torque: 2.5 N·m
- Protection Degree: IP20
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Connection: Top or bottom feed
- Accessories: Auxiliary contact, shunt release, under-voltage release and alarm contact compatible
- Dimensions (H x L x W): 86mm x 78mm x 18mm
- Weight: 0.11 kg
Key Features
- Thermal-magnetic overload and short-circuit protection
- C-curve characteristic for general domestic, commercial and industrial circuits
- 10 kA rated short-circuit breaking capacity
- Single-pole modular design for switchboard installation
- Fast-clip mounting on 35 mm EN 60715 DIN rail
- Contact position indication
- Suitable for cable and compatible busbar connections
- Compact modular format with IP20 protection
Professional Installation Requirements
- Installation and connection to mains electrical systems must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable state or territory requirements, and the switchboard manufacturer's instructions.
Applications
- Domestic distribution boards
- Commercial switchboards
- Industrial control and distribution panels
- Protection of lighting and general-purpose power circuits
- Overload and short-circuit protection in AC low-voltage installations
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for miniature circuit breakers for household and similar AC installations; verify the supplied unit's current SAA certification and RCM/EESS documentation.
- AS/NZS 3000 applies to selection, installation and verification within Australian electrical installations.
Environmental Benefits
- RoHS declarations are available for the NB1-63H product family, supporting restriction of hazardous substances in electrical equipment.
- Reusable modular construction can reduce replacement waste when only a single circuit protection device requires replacement.
- Designed for a long mechanical service life of up to 20,000 operations, helping reduce product replacement frequency.
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, subject to purchase through authorised sales channels and the applicable warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
