Trade Discount 25%
MCB 1P 40A 6kA D Curve DIN Rail NB1-63 Chint
Chint NB1-63 1P 40A MCB features 6kA breaking capacity, D-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: CHINT NB1-63/D40-1P-6 MCB, 40A D-Curve Circuit Breaker, DIN Rail MCB
Technical Specifications
- Rated Current: 40 A
- Poles: 1P
- Tripping Characteristic: D curve
- Rated Breaking Capacity: 6 kA to IEC/EN 60898-1
- Rated Operational Voltage: 230/400 V or 240/415 V AC
- Rated Frequency: 50/60 Hz
- Rated Insulation Voltage: 500 V
- Energy Limiting Class: 3
- Protection Degree: IP20
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Terminal Capacity: Up to 25 mm² cable
- Terminal Tightening Torque: 2.0 N·m
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Dimensions (H x L x W): 86mm x 78mm x 18mm
- Weight: 0.11 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit currents
- D-curve characteristic suited to circuits with higher inrush currents
- 6 kA rated short-circuit breaking capacity
- Single-pole modular design for compact distribution boards
- DIN rail mounting with fast-clip device
- Contact position indication
- Compatible with CHINT NB1-63 auxiliary, shunt-release, undervoltage-release and alarm-contact accessories
- Suitable for domestic, commercial and light industrial electrical distribution applications
Professional Installation Requirements
- Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian electrical legislation, AS/NZS 3000 and the switchboard manufacturer's requirements.
Applications
- Domestic switchboards and distribution boards
- Commercial electrical distribution boards
- Control panels and modular enclosures
- Circuits supplying equipment with higher starting or inrush currents
- Overload and short-circuit protection for final subcircuits
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for AC miniature circuit-breakers; the product is declared to IEC/EN 60898-1 and local certification or RCM suitability should be verified before installation.
- Installation should comply with AS/NZS 3000:2018 wiring rules.
Environmental Benefits
- Modular replaceable design can reduce waste by allowing the protective device to be replaced without replacing the complete switchboard assembly
- Durable electrical and mechanical construction supports extended service life and reduced replacement frequency
- DIN rail format facilitates maintenance, upgrading and component reuse in compatible enclosures
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, subject to the applicable warranty terms and authorised sales channels.
Available Now
Available through authorised CHINT distributors in Australia.
