Trade Discount 25%
MCB 2P 40A 6kA D Curve DIN Rail NB1-63 Chint
Chint NB1-63 2P 40A MCB features 6kA breaking capacity, D-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: 2P MCB, Double-Pole Circuit Breaker, DIN Rail MCB, D40 Circuit Breaker
Technical Specifications
- Product Series: NB1-63
- Poles: 2P
- Rated Current: 40A
- Trip Characteristic: D 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
- Protection Degree: IP20
- Electrical Life: Up to 10,000 operations
- Mechanical Life: Up to 20,000 operations
- Terminal Connection: Cable or pin-type busbar connection
- Terminal Access: Top or bottom connection
- Dimensions (H x L x W): 86mm x 78mm x 36mm
- Weight: 0.22 kg
Key Features
- Two-pole switching and overcurrent protection
- D-curve characteristic suitable for circuits with higher inrush currents
- 6kA short-circuit breaking capacity
- Thermal-magnetic protection against overloads and short circuits
- Compact modular format for domestic and commercial distribution boards
- DIN rail mounting with fast-clip installation
- Compatible with cable, U-type busbar and pin-type busbar connections
- Suitable for 50Hz and 60Hz AC distribution systems
Professional Installation Requirements
- Installation, testing and connection to mains electrical circuits should be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable local electrical regulations. Confirm the prospective fault current, discrimination and suitability of the D-curve characteristic before installation.
Applications
- Domestic switchboards and distribution boards
- Commercial electrical distribution boards
- Industrial control and power distribution panels
- Circuits supplying motors, transformers and other loads with higher starting currents
- Overload and short-circuit protection for AC final subcircuits
Standards & Compliance
- AS/NZS 3000:2018 installation requirements for low-voltage electrical installations
- IEC/EN 60898-1 product standard stated for the NB1-63 series
Environmental Benefits
- Recyclable metal components can be recovered at end of service life
- Thermal-magnetic protection can help prevent damage to downstream equipment and reduce premature replacement
- Durable modular construction supports extended service life and reduced product waste
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus when purchased through authorised sales channels, subject to the applicable warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
