Trade Discount 25%
MCB 2P 50A 10kA D Curve DIN Rail NB1-63H Chint
Chint NB1-63H 2P 50A MCB features 10kA 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: 2P 50A D-Curve MCB, DIN-Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Poles: 2P
- Rated Current: 50 A
- Rated Voltage: 230/400 to 240/415 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 10 kA
- Tripping Curve: D curve, 10–14 times rated current
- Protection Type: Thermal-magnetic overload and short-circuit protection
- Energy Limiting Class: 3
- Rated Insulation Voltage: 500 V
- Rated Impulse Withstand Voltage: 4 kV
- Terminal Capacity: Up to 25 mm²
- Tightening Torque: 2.0 N·m
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Protection Degree: IP20
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Accessories: Auxiliary contact, shunt release, undervoltage release and alarm contact compatible
- Dimensions (H x L x W): 86mm x 78mm x 36mm
- Weight: 0.22 kg
Key Features
- Two-pole switching and circuit protection
- 10 kA short-circuit breaking capacity
- D-curve operation suited to circuits with high inrush current
- Thermal-magnetic protection against overloads and short circuits
- Compact modular design for switchboards and distribution boards
- Top or bottom cable connection
- Compatible with cable, U-type busbar and pin-type busbar connections
- Visible contact position indication
Professional Installation Requirements
- Installation, testing and commissioning should be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and the requirements of the switchboard installation.
Applications
- Residential distribution boards
- Commercial switchboards
- Industrial electrical distribution systems
- Circuits supplying motors, transformers and other loads with high inrush current
- Control panels and low-voltage AC distribution equipment
Standards & Compliance
- IEC/EN 60898-1 specified by the manufacturer
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for household and similar AC circuit-breakers; confirm product approval and RCM requirements before installation in Australia
Environmental Benefits
- Durable construction can extend service life and reduce replacement waste
- Metal components and thermoplastics may be recoverable through appropriate electrical equipment recycling streams
- Energy-limiting Class 3 design helps limit fault energy during short-circuit events
Warranty Information
CHINT's general warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels; contractual terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
