Trade Discount 25%
MCB 3P 50A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 50A 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: 3P MCB, Three-Phase Circuit Breaker, DIN Rail Circuit Breaker, CHINT NB1-63H/C50-3P-10, CHINT 179876
Technical Specifications
- Product Type: Miniature circuit breaker
- Poles: 3P
- Rated Current: 50A
- Tripping Characteristic: C curve, 5–10 times rated current
- Rated Voltage: 230/400–240/415V AC
- Rated Frequency: 50/60Hz
- Breaking Capacity: 10kA
- Insulation Voltage: 500V
- Impulse Withstand Voltage: 6kV
- Energy Limiting Class: 3
- Protection Degree: IP20
- Mounting: 35mm DIN rail to EN 60715
- Connection: Top or bottom feed
- Terminal Capacity: Up to 25mm²
- Tightening Torque: 2.5N·m
- Mechanical Life: 20,000 operations
- Electrical Life: 10,000 operations
- Operating Temperature: -25°C to +70°C, daily average up to +35°C
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.379 kg
Key Features
- Thermal-magnetic protection against overloads and short circuits
- C-curve characteristic suited to general commercial, industrial and higher-inrush loads
- 10kA rated short-circuit breaking capacity
- Three-pole switching for three-phase circuits
- Compact modular design occupying three DIN modules
- Compatible with cable, U-type busbar and pin-type busbar connections
- Energy limiting Class 3 design
- Auxiliary, alarm, shunt-release and undervoltage accessories available for the series
Professional Installation Requirements
- Installation and connection to mains electrical circuits must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable local regulations.
Applications
- Three-phase domestic and commercial distribution boards
- Industrial control panels and machinery supplies
- HVAC and refrigeration plant electrical protection
- Commercial building services and general power circuits
- Protection of three-phase cables and equipment against overload and short-circuit faults
Standards & Compliance
- AS/NZS 60898.1:2004 certification and SAA/RCM approval for the NB1-63H series
- AS/NZS 3000 applicable to selection, installation and verification within Australian electrical installations
Environmental Benefits
- RoHS documentation supports reduced use of restricted hazardous substances
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Thermal-magnetic protection can help limit damage to connected equipment during overload and short-circuit events
- Metal and thermoplastic components can be separated for appropriate end-of-life recycling where local facilities accept electrical equipment
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
