Trade Discount 25%
MCB 2P 25A 10kA D Curve DIN Rail NB1-63H Chint
Chint NB1-63H 2P 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: NB1-63H/D25-2P-10, 2P 25A D-Curve MCB, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Number of Poles: 2P
- Rated Current: 25 A
- Rated Voltage: 230/400–240/415 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 10 kA at rated AC voltage
- Tripping Curve: D curve, instantaneous magnetic trip at approximately 10–14 times rated current
- Protection Method: Thermal-magnetic overload and short-circuit protection
- Mounting: 35 mm DIN rail to EN 60715
- Terminal Type: Screw terminals
- Maximum Conductor Capacity: Up to 25 mm²
- Ingress Protection: IP20
- Electrical Endurance: Up to 10,000 operations
- Mechanical Endurance: Up to 20,000 operations
- Pollution Degree: 2
- Dimensions (H x L x W): 86mm x 78mm x 36mm
- Weight: 0.2 kg
Key Features
- Two-pole switching and overcurrent protection
- D-curve characteristic for circuits with high starting or inrush currents
- 10 kA short-circuit breaking capacity
- Compact 2-module DIN rail format
- Suitable for domestic, commercial and light industrial distribution boards
- Thermal-magnetic protection against overloads and short circuits
- Line and load connection permitted from either direction, subject to installation requirements
Professional Installation Requirements
- Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, manufacturer instructions and applicable local electrical regulations.
Applications
- Domestic distribution boards
- Commercial switchboards
- Light industrial control panels
- Circuits supplying transformers, motors and other high-inrush loads
- General AC final-circuit overcurrent protection
Standards & Compliance
- Designed to IEC/EN 60898-1; AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for AC miniature circuit-breakers
- Electrical installations incorporating the breaker must comply with AS/NZS 3000
Environmental Benefits
- Resettable protection reduces the waste associated with disposable fuses
- Durable service life can reduce replacement frequency and associated material waste
- Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and warranty terms.
Available Now
Available through authorised CHINT distributors in Australia.
