Trade Discount 25%
MCB 1P 25A 6kA C Curve DIN Rail NB1-63 Chint
Chint NB1-63 1P 25A MCB features 6kA 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: Miniature circuit breaker, single-pole circuit breaker, DIN-rail MCB, C25 MCB
Technical Specifications
- Rated Current: 25 A
- Number of Poles: 1P
- Rated Voltage: 230 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 6 kA
- Tripping Curve: C curve, 5–10 x In
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4 kV
- Terminal Capacity: 1–25 mm²
- Terminal Tightening Torque: 2.0 N·m
- Mounting: TH35-7.5 DIN rail
- Protection Degree: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 4,000 operations
- Operating Temperature: -5 °C to +40 °C
- Standard Basis: IEC/EN 60898-1
- Dimensions (H x L x W): 86mm x 78mm x 18mm
- Weight: 0.12 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit faults
- C-curve characteristic suitable for mixed resistive and inductive loads
- 6 kA rated short-circuit breaking capacity
- Single-pole format for compact distribution-board installation
- Compatible with standard 35 mm DIN rail systems
- Top or bottom cable connection
- Status indication for contact position
- Compatible with auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation, testing and connection should be carried out by a licensed electrician in accordance with AS/NZS 3000 and the requirements of the relevant distribution-board manufacturer. Confirm prospective fault current, cable sizing, discrimination and local approval requirements before installation.
Applications
- Domestic distribution boards
- Commercial electrical switchboards
- Lighting and general power circuits
- Control panels and low-voltage distribution systems
- Protection of mixed resistive and inductive loads
Standards & Compliance
- IEC/EN 60898-1 product standard basis
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for miniature circuit-breakers for household and similar installations; local conformity and RCM requirements should be verified before use
- Installation applications should comply with AS/NZS 3000
Environmental Benefits
- Modular construction allows the breaker to be replaced without replacing the complete distribution board
- Copper and metal components can be recovered through appropriate electrical-equipment recycling streams
- Long mechanical service life helps reduce replacement frequency and material waste
- No refrigerant or process gas is used during normal operation
Warranty Information
24-month manufacturer warranty from the date of production under normal storage and transportation conditions; exclusions apply for incorrect use, storage, maintenance, unauthorised repair, force majeure and products beyond the warranty period.
Available Now
Available through authorised CHINT distributors in Australia.
