Trade Discount 25%
MCB 1P 25A 10kA D Curve DIN Rail NB1-63H Chint
Chint NB1-63H 1P 25A 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/D25-1P-10 MCB, 25A DIN Rail Circuit Breaker, 10kA D-Curve MCB
Technical Specifications
- Product Series: NB1-63H
- Poles: 1P
- Rated Current: 25 A
- Rated Voltage: 230/400–240/415 V AC
- Rated Insulation Voltage: 500 V
- Breaking Capacity: 10 kA
- Tripping Characteristic: D curve, 10–14 x In instantaneous operation
- Rated Frequency: 50/60 Hz
- Energy Limiting Class: 3
- Impulse Withstand Voltage: 4 kV
- Protection Degree: IP20
- Terminal Capacity: Up to 25 mm²
- Tightening Torque: 2.0 N·m
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Mechanical Life: 20,000 operations
- Electrical Life: 10,000 operations
- Dimensions (H x L x W): 86mm x 78mm x 18mm
- Weight: 0.11 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit faults
- 10 kA rated short-circuit breaking capacity
- D-curve characteristic for circuits with high starting or inrush currents
- Single-pole modular design for switchboards and distribution boards
- Compatible with cable, U-type busbar and pin-type busbar connections
- Compact 18 mm module width
- Suitable for residential, commercial and industrial distribution applications
- Contact position indication and accessory compatibility
Professional Installation Requirements
- Installation and testing must be performed by a licensed electrician in accordance with AS/NZS 3000 and the manufacturer’s instructions. Confirm the prospective fault current, cable rating and suitability of the D-curve characteristic before installation.
Applications
- Residential switchboards and consumer units
- Commercial distribution boards
- Industrial control and power distribution panels
- Protection of circuits supplying transformers, motors and other loads with high inrush current
- Overload and short-circuit protection in AC final distribution circuits
Standards & Compliance
- AS/NZS 60898.1:2024 for circuit-breakers for overcurrent protection in household and similar AC installations
- AS/NZS 3000:2018 for selection, installation and verification within electrical installations
- SAA certification listed for the CHINT NB1-63H series
Environmental Benefits
- RoHS and REACH-related compliance documentation is available for the NB1-63H series
- Durable modular construction supports a long service life and reduces replacement waste
- Thermal-magnetic protection can help limit damage to connected equipment and reduce material waste after fault events
- Metallic and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information
CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable terms and sales agreement.
Available Now
Available through authorised CHINT distributors in Australia.
