Trade Discount 25%
MCB 3P 63A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 63A MCB features 10kA breaking capacity, C-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: 3-Pole MCB, Three-Phase Circuit Breaker, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Rated Current: 63A
- Number of Poles: 3P
- Breaking Capacity: 10kA
- Trip Characteristic: C curve, 5–10 × In
- Rated Voltage: 230/400–240/415V AC
- Rated Frequency: 50/60Hz
- Insulation Voltage: 500V
- Energy Limiting Class: 3
- Impulse Withstand Voltage: 4kV
- Terminal Capacity: Up to 25mm²
- Terminal Tightening Torque: 2.5N·m
- Connection: Top or bottom feed
- Protection Degree: IP20
- Electrical Endurance: 10,000 operations
- Mechanical Endurance: 20,000 operations
- Mounting: 35mm EN 60715 DIN rail
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.33 kg
Key Features
- Thermal-magnetic overload and short-circuit protection
- C-curve response suited to general domestic, commercial and light industrial circuits
- 10kA short-circuit breaking capacity
- Three-pole switching for three-phase distribution boards
- Compatible with cable, U-type busbar and pin-type busbar connections
- Optional auxiliary, alarm, shunt-trip and under-voltage accessories available
- Compact modular design with visual contact-position indication
Professional Installation Requirements
- Installation, selection and testing should be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local requirements. Confirm prospective fault current, cable rating and enclosure compatibility before installation.
Applications
- Three-phase domestic distribution boards
- Commercial switchboards and consumer units
- Industrial control panels and low-voltage distribution panels
- Overload and short-circuit protection for lighting, power and equipment circuits
Standards & Compliance
- AS/NZS 60898.1 is the applicable Australian/New Zealand standard for miniature circuit-breakers for household and similar AC installations
- CHINT lists an SAA certificate for the NB1-63H range; verify the supplied unit's approval marking and certification details before Australian installation
- Installation should comply with AS/NZS 3000 wiring rules
Environmental Benefits
- Thermal-magnetic protection can help prevent equipment damage and reduce replacement waste following overload or short-circuit events
- Reusable DIN rail format and replaceable modular construction can simplify servicing and reduce unnecessary panel replacement
- Manufactured with RoHS documentation available for the NB1-63H range
- Long mechanical and electrical endurance can extend service life and reduce product disposal frequency
Warranty Information
CHINT's general warranty policy states that other low-voltage apparatus is covered against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised channels. Contractual or regional warranty terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
