Trade Discount 25%
MCB 3P 10A 10kA B Curve DIN Rail NB1-63H Chint
Chint NB1-63H 3P 10A 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 10A MCB, B10 Three-Phase Circuit Breaker, DIN Rail Miniature Circuit Breaker
Technical Specifications
- Product Series: NB1-63H
- Poles: 3P
- Rated Current: 10 A
- Tripping Characteristic: B curve, 3–5 In
- Rated Voltage: 400 Vac, up to 415 Vac
- Rated Frequency: 50/60 Hz
- Rated Insulation Voltage: 500 Vac
- Rated Short-Circuit Capacity: 10 kA Icn
- Service Breaking Capacity: 7.5 kA Ics
- Ultimate Breaking Capacity: 15 kA Icu
- Energy Limiting Class: 3
- Protection Degree: IP20
- Mounting: 35 mm EN 60715 DIN rail
- Terminal Capacity: Up to 25 mm² cable
- Terminal Tightening Torque: 2.5 N·m
- Electrical Life: 10,000 operations
- Mechanical Life: 20,000 operations
- Connection: Top or bottom feed
- Power Dissipation: 6 W
- Dimensions (H x L x W): 86mm x 78mm x 54mm
- Weight: 0.9 kg
Key Features
- Three-pole protection for three-phase circuits
- B-curve thermal-magnetic overload and short-circuit protection
- 10 kA rated short-circuit breaking capacity
- Compact three-module DIN rail format
- Suitable for residential, commercial and industrial distribution boards
- Compatible with auxiliary, alarm, shunt-release and under-voltage accessories
- Supports cable, U-type busbar and pin-type busbar connections
Professional Installation Requirements
- Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000 and the equipment manufacturer's instructions. Confirm prospective fault current, conductor sizing, discrimination and local certification requirements before installation.
Applications
- Residential distribution boards
- Commercial switchboards
- Industrial control and distribution panels
- Three-phase lighting and power circuits
- Overload and short-circuit protection for fixed electrical installations
Standards & Compliance
- Applicable product standard: AS/NZS 60898.1:2024 for circuit-breakers for overcurrent protection in household and similar installations
- Installation should comply with AS/NZS 3000 Wiring Rules
Environmental Benefits
- Thermal-magnetic protection can help prevent damage to connected equipment and reduce premature component replacement
- Energy Limiting Class 3 design can limit let-through fault energy during short-circuit events
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Metal and thermoplastic components may be recyclable through appropriate electrical-equipment recycling streams
- CHINT documentation identifies RoHS and carbon-footprint certification for the NB1-63H product family
Warranty Information
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, subject to purchase through authorised sales channels and applicable contract terms.
Available Now
Available through authorised CHINT distributors in Australia.
