Trade Discount 25%
MCB 3P 32A 10kA B Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 32A MCB features 10kA 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: 3P 32A B-Curve MCB, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker, NB1-63H B32 10kA
Technical Specifications
- Rated Current: 32 A
- Number of Poles: 3P
- Tripping Curve: Type B, 3–5 x In
- Breaking Capacity: 10 kA
- Rated Voltage: 230/400–240/415 V AC
- Rated Frequency: 50/60 Hz
- Rated Insulation Voltage: 500 V
- Energy Limiting Class: 3
- Rated Impulse Withstand Voltage: 4 kV
- Terminal Capacity: Up to 25 mm² cable
- Terminal Connection: Cable, U-type busbar or pin-type 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
- Auxiliary Accessories: Auxiliary contact, shunt release, under-voltage release and alarm contact
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.33 kg
Key Features
- Three-pole protection for three-phase AC circuits
- Thermal-magnetic protection against overload and short-circuit faults
- Type B tripping characteristic suitable for circuits with low inrush current
- 10 kA rated short-circuit breaking capacity
- Compact modular design for domestic, commercial and industrial distribution boards
- DIN rail mounting to EN 60715 35 mm rail
- Top or bottom electrical connection
- Contact position indication
- Compatible with optional auxiliary and release accessories
Professional Installation Requirements
- Installation, testing and commissioning should be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and site fault-current requirements.
Applications
- Domestic consumer units and distribution boards
- Commercial switchboards
- Industrial distribution panels
- Three-phase lighting and general power circuits
- Control systems and low-voltage AC distribution applications
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for circuit-breakers used for overcurrent protection in household and similar AC installations; verify local approval and marking requirements before installation.
- Manufacturer product documentation specifies IEC/EN 60898-1 performance requirements.
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and associated material waste
- Thermal-magnetic protection helps prevent damage to downstream wiring and equipment, supporting longer system life
- RoHS and REACH environmental documentation is available for the NB1-63H series
Warranty Information
CHINT low-voltage apparatus sold through authorised sales channels is covered for defects in materials and workmanship for 27 months from the date of manufacture, subject to the applicable warranty terms and sales agreement.
Available Now
Available through authorised CHINT distributors in Australia.
