Trade Discount 25%
MCB 1P 32A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 1P 32A MCB features 6kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: NB1-63 B32 MCB, 1P 32A Circuit Breaker, DIN Rail Miniature Circuit Breaker
Technical Specifications
- Product Series: NB1-63
- Poles: 1P
- Rated Current: 32 A
- Rated Voltage: 230/400 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 6 kA
- Tripping Characteristic: B curve, 3–5 times rated current
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4 kV
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Terminal Capacity: Up to 25 mm² cable
- Tightening Torque: 2.0 N·m
- Protection Rating: IP20
- Operating Temperature: -35°C to +70°C
- Mounting: 35 mm DIN rail to EN 60715
- Connection: Top or bottom feed
- 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 currents
- B-curve response suited to predominantly resistive loads, lighting and general domestic circuits
- 6 kA rated short-circuit breaking capacity
- Single-pole configuration for compact switchboard installations
- Compatible with standard 35 mm DIN rail mounting
- Front contact-position indication
- Suitable for residential, commercial and light industrial distribution boards
Professional Installation Requirements
- Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000 and applicable local electrical regulations. Verify the required fault rating, discrimination and suitability of the breaker for the intended circuit before installation.
Applications
- Domestic switchboards
- Commercial distribution boards
- Lighting circuits
- Resistive heating circuits
- General final-circuit overcurrent protection
- DIN rail electrical control and distribution enclosures
Standards & Compliance
- Manufactured to IEC/EN 60898-1 requirements for miniature circuit-breakers for household and similar installations
- AS/NZS 60898.1:2024 is the current Australian/New Zealand product standard for comparable a.c. circuit-breakers; confirm RCM or local approval documentation for the supplied unit
- Installation and circuit selection should comply with AS/NZS 3000:2018
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
- Low-loss protection and switching component for efficient electrical distribution systems
- RoHS-related compliance documentation is available for the NB1-63 product family
Warranty Information
27 months from the date of manufacture against defects in materials and workmanship when purchased through authorised sales channels, subject to CHINT warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
