Trade Discount 25%
MCB 3P 10A 6kA D Curve DIN Rail NB1-63 Chint
Chint NB1-63 3P 10A 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: 3P 10A MCB, D10 Circuit Breaker, DIN Rail Miniature Circuit Breaker, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Model: NB1-63D3P10
- Rated Current: 10 A
- Number of Poles: 3P
- Rated Voltage: 230/400 V AC and 240/415 V AC
- Rated Frequency: 50/60 Hz
- Rated Breaking Capacity: 6 kA
- Tripping Characteristic: D curve
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4 kV
- Energy Limiting Class: 3
- Protection Degree: IP20
- Terminal Capacity: Up to 25 mm² cable
- Mounting: 35 mm DIN rail to EN 60715
- Connection: Top or bottom supply connection
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Tightening Torque: 2.0 N·m
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.33 kg
Key Features
- Three-pole circuit protection for single- or three-phase distribution boards
- D-curve thermal-magnetic protection for circuits with higher inrush currents
- 6 kA short-circuit breaking capacity
- Protects against overload and short-circuit currents
- Fast-clip mounting on standard 35 mm DIN rail
- Suitable for residential, commercial and light industrial switchboards
- Cable and busbar connection compatibility
- Visible contact position indication
Professional Installation Requirements
- Installation, selection and testing should be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable local regulations. Verify fault levels, discrimination, cable ratings and suitability of the D-curve characteristic before installation.
Applications
- Domestic switchboards
- Commercial distribution boards
- Light industrial control and distribution panels
- Protection of circuits supplying motors, transformers and other equipment with higher starting currents
- Three-phase final and submain circuit protection
Standards & Compliance
- Designed to IEC/EN 60898-1 for miniature circuit-breakers for household and similar AC installations
- Applicable Australian equivalent product standard: AS/NZS 60898.1:2024
- Installation and selection should comply with AS/NZS 3000 Wiring Rules
- Confirm Australian regulatory approval and RCM requirements for the specific supplied variant before installation
Environmental Benefits
- Thermoplastic and metal components can be separated for appropriate end-of-life recycling where local facilities accept electrical equipment
- Reusable DIN rail design allows replacement or service without changing the complete switchboard assembly
- Long mechanical and electrical service life can reduce replacement frequency and associated material waste
- Low-voltage circuit protection supports safe, efficient operation of electrical distribution systems
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels; contractual terms and regional conditions may vary.
Available Now
Available through authorised CHINT distributors in Australia.
