Trade Discount 25%
MCB 3P 20A 6kA C Curve DIN Rail NB1-63 Chint
Chint NB1-63 3P 20A MCB features 6kA 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-Phase Miniature Circuit Breaker, DIN Rail Circuit Breaker, C20 MCB
Technical Specifications
- Product Series: NB1-63
- Poles: 3P
- Rated Current: 20A
- Tripping Characteristic: C curve, thermal-magnetic
- Rated Voltage: 230/400V AC and 240/415V AC
- Rated Frequency: 50/60Hz
- Rated Breaking Capacity: 6kA
- Insulation Voltage: 500V
- Impulse Withstand Voltage: 4kV
- Mounting: DIN rail
- Ingress Protection: IP20
- Operating Temperature: -5°C to +40°C
- Maximum Installation Altitude: 2000m
- Compatible Standards: IEC/EN 60898-1 and IEC/EN 60947-2
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.354 kg
Key Features
- Three-pole protection for three-phase circuits
- C-curve response suits circuits with moderate inrush currents
- Provides thermal overload and magnetic short-circuit protection
- 6kA rated breaking capacity
- DIN rail mounting for modular switchboards
- Suitable for domestic, commercial and light industrial distribution boards
- Auxiliary, alarm and shunt-trip accessories are available for the NB1-63 series
Professional Installation Requirements
- Installation, testing and replacement must be carried out by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and switchboard requirements.
Applications
- Three-phase domestic switchboards
- Commercial distribution boards
- Lighting and power circuits with moderate inrush current
- Small motor and HVAC control circuits where a C-curve MCB is suitable
- Industrial and building services electrical distribution
Standards & Compliance
- AS/NZS 60898.1:2004 certification is listed for the CHINT NB1-63 miniature circuit breaker family; confirm current approval status and RCM marking for the specific product supplied.
- Installation must comply with AS/NZS 3000 and applicable state or territory electrical safety requirements.
Environmental Benefits
- RoHS declarations are available for the NB1-63 product family, helping limit restricted hazardous substances.
- The reusable thermal-magnetic protection mechanism supports a long service life and reduces replacement waste.
- Metal and polymer components can be separated for appropriate end-of-life recycling where local facilities accept electrical equipment.
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 sales contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
