Trade Discount 25%
MCB 1P 50A 10kA D Curve DIN Rail NB1-63H Chint
Chint NB1-63H 1P 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: CHINT NB1-63H/D50-1P-10 MCB, 50A D Curve Circuit Breaker, Single-Pole DIN Rail MCB
Technical Specifications
- Product Type: Miniature circuit breaker
- Poles: 1P
- Rated Current: 50 A
- Rated Voltage: AC 230/400–240/415 V
- Rated Insulation Voltage: 500 V
- Breaking Capacity: 10 kA
- Tripping Characteristic: D curve, 10–20 times rated current
- Rated Frequency: 50/60 Hz
- Protection Type: Thermal-magnetic overload and short-circuit protection
- Energy Limiting Class: 3
- Rated Impulse Withstand Voltage: 6 kV
- Dielectric Test Voltage: 2 kV for 1 minute
- Terminal Capacity: Up to 25 mm²
- Tightening Torque: 2.5 N·m
- Terminal Compatibility: Cable, U-type busbar and pin-type busbar
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Protection Degree: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 10,000 operations
- Operating Temperature: -25°C to +70°C, with daily average not exceeding +35°C
- Dimensions (H x L x W): 80mm x 78mm x 18mm
- Weight: 0.12 kg
Key Features
- Single-pole protection for low-voltage AC circuits
- D-curve tripping characteristic accommodates higher inrush currents
- 10 kA short-circuit breaking capacity
- Thermal-magnetic protection against overloads and short circuits
- Compact modular design for distribution boards and control panels
- Compatible with cable and common DIN rail busbar systems
- Top or bottom electrical feed connection
- Optional auxiliary, alarm, shunt-release and undervoltage accessories available
Professional Installation Requirements
- Installation, circuit selection and testing must be carried out by a licensed electrician in accordance with applicable Australian wiring rules, including AS/NZS 3000. Confirm fault levels, discrimination, conductor sizing and enclosure suitability before installation.
Applications
- Domestic distribution boards
- Commercial switchboards and consumer units
- Industrial distribution panels
- Control systems and machinery circuits
- Circuits supplying loads with high starting or inrush currents
- Protection of transformers, motors and other suitable inductive loads
Standards & Compliance
- AS/NZS 60898.1 certification and SAA approval are listed for the NB1-63H product family; confirm the current approval marking and documentation for the supplied unit before installation.
Environmental Benefits
- Thermal-magnetic protection can reduce damage to connected equipment and extend system service life
- Long mechanical and electrical operating life can reduce replacement frequency and product waste
- Product-family documentation includes RoHS and REACH environmental declarations
- Metallic electrical components can be recovered through appropriate end-of-life recycling channels
Warranty Information
CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to applicable contract terms and conditions.
Available Now
Available through authorised CHINT distributors in Australia.
