Trade Discount 25%
MCB 3P 25A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 25A 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-Pole Miniature Circuit Breaker, 25A C-Curve Circuit Breaker, DIN Rail Circuit Breaker
Technical Specifications
- Rated Current: 25 A
- Number of Poles: 3P
- Tripping Curve: Type C, 5–10 times rated current
- Rated Voltage: 230/400–240/415 V AC
- Rated Frequency: 50/60 Hz
- Rated Breaking Capacity: 10 kA
- Service Breaking Capacity: 7.5 kA
- Energy Limiting Class: 3
- Rated Insulation Voltage: 500 V
- Rated Impulse Withstand Voltage: 4 kV
- Terminal Capacity: Up to 25 mm² cable or 10 mm² busbar
- Tightening Torque: 2.0 N·m
- Protection Degree: IP20
- Operating Temperature: −35°C to +70°C
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Mounting: 35 mm EN 60715 DIN rail
- Connection: Top or bottom feed
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.33 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit faults
- Three-pole configuration for three-phase AC circuits
- C-curve characteristic suitable for resistive and inductive loads with moderate starting current
- 10 kA short-circuit breaking capacity
- Compatible with cable, U-type busbar and pin-type busbar connections
- Top or bottom supply connection
- Visual contact position indication
- Optional auxiliary, alarm, shunt-trip and under-voltage accessories
- Compact modular design for residential, commercial and industrial distribution boards
Professional Installation Requirements
- Installation, selection and testing should be carried out by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and the requirements of the electrical installation.
Applications
- Residential distribution boards
- Commercial switchboards and consumer units
- Industrial control and distribution panels
- Three-phase AC circuit protection
- Protection of resistive and inductive electrical loads
Standards & Compliance
- AS/NZS 60898.1:2004 certification listed for the CHINT NB1-63H series, covering circuit-breakers for overcurrent protection in household and similar AC installations
- Use and installation within Australian electrical installations should comply with AS/NZS 3000
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and associated material waste
- Metal conductor and structural components are recyclable at end of service life through appropriate electrical equipment recycling streams
- Thermal-magnetic protection helps prevent damage to downstream electrical equipment, supporting longer system life
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels; contract terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
