Trade Discount 25%
MCB 3P 40A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 3P 40A MCB features 6kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Alternatively Known As: CHINT NB1-63 B40 3P MCB, 3-Phase Miniature Circuit Breaker, DIN Rail Circuit Breaker
Technical Specifications
- Product Series: NB1-63
- Rated Current: 40A
- Poles: 3P
- Trip Curve: B curve
- Rated Breaking Capacity: 6kA
- Rated Voltage: 230/400V AC and 240/415V AC
- Rated Frequency: 50/60Hz
- Insulation Voltage: 500V
- Impulse Withstand Voltage: 4kV
- Protection Type: Thermal-magnetic overload and short-circuit protection
- Mounting: 35mm DIN rail to EN 60715
- Terminal Connection: Cable, U-type busbar or pin-type busbar
- Terminal Capacity: Up to 25mm² cable
- Ingress Protection: IP20
- Electrical Endurance: 10,000 operations
- Mechanical Endurance: 20,000 operations
- Operating Temperature: -35°C to +70°C
- Reference Standard: IEC/EN 60898-1
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.33 kg
Key Features
- Three-pole protection for three-phase AC circuits
- B-curve thermal-magnetic tripping characteristic for domestic and predominantly resistive loads
- 6kA rated short-circuit breaking capacity
- Compact modular design for distribution boards
- Fast clip-on installation onto 35mm DIN rail
- Compatible with cable and modular busbar connections
- Contact position indication for easier status identification
- Suitable for residential, commercial and light industrial electrical distribution
Professional Installation Requirements
- Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical requirements.
Applications
- Domestic switchboards and distribution boards
- Commercial electrical distribution boards
- Three-phase lighting and general power circuits
- Protection of fixed electrical equipment against overload and short circuit
- Modular switchgear assemblies using 35mm DIN rail mounting
Standards & Compliance
- AS/NZS 60898.1 for circuit-breakers for overcurrent protection in household and similar AC installations
- Installation in Australia must comply with AS/NZS 3000 wiring rules
Environmental Benefits
- Thermal-magnetic protection can help limit damage to connected equipment and reduce replacement waste following overload or short-circuit events
- Long mechanical and electrical endurance supports extended service life
- Metal conductive components and thermoplastic housing materials can be separated for appropriate recycling at end of life
Warranty Information
27 months from the date of manufacture for other CHINT low-voltage apparatus, subject to purchase through an authorised sales channel and the manufacturer's warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
