Trade Discount 25%
MCB 3P 50A 10kA B Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 50A MCB features 10kA 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: 3P MCB, Three-Pole Miniature Circuit Breaker, Thermal-Magnetic Circuit Breaker, DIN Rail Circuit Breaker
Technical Specifications
- Model: NB1-63H
- Poles: 3P
- Rated Current: 50A
- Trip Curve: B curve
- Breaking Capacity: 10kA
- Rated Voltage: 230/400–240/415VAC
- Rated Frequency: 50/60Hz
- Protection Type: Thermal-magnetic overload and short-circuit protection
- Energy Limiting Class: 3
- Impulse Withstand Voltage: 4kV
- Protection Degree: IP20
- Mounting: 35mm EN 60715 DIN rail
- Terminal Capacity: Up to 25mm² cable
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Dimensions (H x L x W): 80mm x 78mm x 54mm
- Weight: 1.43 kg
Key Features
- Three-pole protection for three-phase circuits
- B-curve characteristic suitable for general domestic and commercial loads
- 10kA short-circuit breaking capacity
- Thermal-magnetic protection against overloads and short circuits
- DIN rail mounting with fast-clip mechanism
- Can be connected from the top or bottom
- Compatible with selected auxiliary, shunt, undervoltage and alarm accessories
- Contact position indication
- Suitable for use with cable and pin-type or U-type busbars
Professional Installation Requirements
- Installation and connection must be carried out by a licensed electrician in accordance with AS/NZS 3000, applicable local electrical regulations and the manufacturer's instructions. Confirm system voltage, prospective fault current, cable rating and switchboard compatibility before installation.
Applications
- Domestic distribution boards
- Commercial electrical switchboards
- Three-phase final circuits
- General lighting and power circuits
- Overcurrent protection in low-voltage distribution systems
- DIN rail control and power distribution assemblies
Standards & Compliance
- IEC/EN 60898-1
- AS/NZS 60898.1 is the relevant Australian/New Zealand product standard for miniature circuit-breakers; local approval and RCM requirements should be verified before installation
- AS/NZS 3000 for electrical installation and wiring requirements
Environmental Benefits
- Durable reusable protection device that can reduce replacement waste over the service life of a switchboard
- Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
- Supports safe, efficient distribution system operation by limiting damage from overloads and short circuits
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, subject to purchase through authorised sales channels and applicable warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
