Trade Discount 25%
MCB 3P 6A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 3P 6A MCB features 6kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: CHINT NB1-63B3P06 MCB, 3-Pole DIN Rail Circuit Breaker, 6A Thermal-Magnetic Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Number of Poles: 3P
- Rated Current: 6A
- Tripping Curve: B curve, 3–5 times rated current
- Rated Voltage: 400V AC between phases
- Rated Frequency: 50/60Hz
- Breaking Capacity: 6kA
- Service Short-Circuit Capacity: 6kA
- Insulation Voltage: 500V
- Impulse Withstand Voltage: 4,000V
- Terminal Capacity: 1–25mm² cable
- Terminal Tightening Torque: 2.0N·m
- Mounting: 35mm TH35 DIN rail
- Connection: Top or bottom feed
- Protection Rating: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 4,000 operations
- Operating Temperature: -5°C to +40°C
- Dimensions (H x L x W): 82mm x 75.5mm x 54mm
- Weight: 0.356 kg
Key Features
- Thermal-magnetic overload and short-circuit protection
- B-curve tripping characteristic for resistive loads, lighting and longer cable runs
- Three-pole switching for three-phase circuits
- 6kA rated breaking capacity
- DIN rail mounting with fast clip mechanism
- Top or bottom cable connection
- Compatible with selected auxiliary, alarm, shunt-release and undervoltage accessories
- Positive isolation and contact-position indication
Professional Installation Requirements
- Installation, selection and testing should be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and switchboard requirements.
Applications
- Domestic distribution boards
- Commercial switchboards
- Light industrial electrical distribution
- Three-phase lighting and resistive-load circuits
- Overload and short-circuit protection for cables and final subcircuits
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for this class of AC miniature circuit-breaker; confirm model-specific RCM and EESS approval before supply or installation.
Environmental Benefits
- Long mechanical life supports extended service use and can reduce replacement waste
- Metal and polymer components may be recoverable through appropriate electrical equipment recycling streams at end of life
Warranty Information
CHINT general low-voltage apparatus warranty: 27 months from the date of manufacture against defects in materials and workmanship, subject to authorised-channel and contract terms.
Available Now
Available through authorised CHINT distributors in Australia.
