Trade Discount 25%
MCB 1P 25A 10kA C Curve DIN Rail NB1-63H Chint
Chint NB1-63H 1P 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: CHINT NB1-63H C25 MCB, 25A DIN Rail Circuit Breaker, Single-Pole C-Curve MCB, 10kA Miniature Circuit Breaker
Technical Specifications
- Rated Current: 25 A
- Number of Poles: 1P
- Rated Voltage: 230 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 10 kA
- Tripping Curve: C curve, 5–10 times rated current
- Protection Function: Thermal-magnetic overload and short-circuit protection
- Standard: IEC/EN 60898-1
- Energy Limiting Class: 3
- Rated Insulation Voltage: 500 V
- Rated Impulse Withstand Voltage: 4 kV
- Mounting: TH35-7.5, 35 mm DIN rail
- Terminal Capacity: 1–25 mm² copper cable
- Terminal Tightening Torque: 2.0 N·m
- Protection Degree: IP20
- Electrical Life: 4,000 operations
- Mechanical Life: 20,000 operations
- Maximum Power Loss: 3.5 W per pole
- Connection: Top or bottom feed
- Dimensions (H x L x W): 82mm x 75.5mm x 18mm
- Weight: 0.12 kg
Key Features
- Single-pole 25 A circuit protection
- C-curve thermal-magnetic trip characteristic for general mixed and motor-related loads
- 10 kA short-circuit breaking capacity
- DIN rail mounting for modular distribution boards
- Provides overload, short-circuit and isolation protection
- Visible contact position indication
- Suitable for compatible modular busbar systems
- Compatible with selected auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation and connection to mains electrical circuits should be performed by a licensed electrician in accordance with AS/NZS 3000, applicable local regulations and the manufacturer's instructions.
Applications
- Domestic switchboards and distribution boards
- Commercial electrical distribution boards
- Lighting and general power circuits
- HVAC and motor-related circuits with suitable inrush characteristics
- Industrial and building-services control panels
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for miniature circuit-breakers for household and similar installations
- AS/NZS 3000 applies to selection, installation and verification within Australian electrical installations
- Australian supply should be verified for applicable EESS and RCM requirements
Environmental Benefits
- Durable modular construction can support a long service life and reduce replacement waste
- Metal components can be recovered through appropriate electrical-equipment recycling streams
- Resettable overcurrent protection avoids the routine disposal of single-use fuses
Warranty Information
CHINT's general warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus when purchased through authorised sales channels; contractual terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
