Trade Discount 25%
MCB 2P 63A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 2P 63A MCB features 6kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Alternatively Known As: 2P MCB, Double-Pole Circuit Breaker, DIN Rail MCB, Thermal-Magnetic Circuit Breaker
Technical Specifications
- Rated Current: 63 A
- Number of Poles: 2P
- Rated Voltage: 400 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 6 kA
- Tripping Curve: B curve, 3–5 times rated current
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4,000 V
- Mounting: 35 mm TH35 DIN rail
- Terminal Capacity: 1–25 mm²
- Connection: Top or bottom feed
- Protection Degree: 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 36mm
- Weight: 0.22 kg
Key Features
- Thermal-magnetic protection against overload and short-circuit currents
- B-curve operation suited to resistive loads and lighting circuits
- Double-pole switching and isolation
- 6 kA rated short-circuit breaking capacity
- DIN rail mounting for distribution boards and consumer units
- Top or bottom cable connection
- Contact position indication
- Compatible with selected auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable local electrical requirements. Confirm the product's suitability and required Australian approvals before installation.
Applications
- Domestic distribution boards
- Commercial electrical distribution boards
- Lighting circuits
- Resistive load circuits
- Low-voltage final subcircuits requiring two-pole overcurrent protection
Standards & Compliance
- IEC/EN 60898-1; the applicable Australian and New Zealand equivalent is AS/NZS 60898.1:2024
- Installation applications are subject to AS/NZS 3000 Wiring Rules
Environmental Benefits
- Metal and thermoplastic components can be separated for recycling at end of service life
- Long mechanical service life of up to 20,000 operations can reduce replacement frequency and associated waste
Warranty Information
CHINT's general warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to applicable contract terms and exclusions.
Available Now
Available through authorised CHINT distributors in Australia.
