Trade Discount 25%
MCB 2P 6A 6kA D Curve DIN Rail NB1-63 Chint
Chint NB1-63 2P 6A MCB features 6kA breaking capacity, D-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.
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Alternatively Known As: 2P 6A D-Curve MCB, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker, NB1-63 D6 MCB
Technical Specifications
- Rated Current: 6 A
- Number of Poles: 2P
- Rated Voltage: 400 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 6 kA
- Tripping Characteristic: D curve, 10–14 times rated current
- Protection Type: Thermal-magnetic overload and short-circuit protection
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4 kV
- Terminal Capacity: 1–25 mm²
- Terminal Tightening Torque: 2.0 N·m
- Mounting: TH35-7.5 DIN rail
- Connection: Top or bottom feed
- Ingress Protection: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 4,000 operations
- Dimensions (H x L x W): 86mm x 78mm x 36mm
- Weight: 0.25 kg
Key Features
- Two-pole protection and isolation for low-voltage AC circuits
- 6 kA short-circuit breaking capacity
- D-curve operation suited to circuits with high inrush currents, including transformers, motors and pumps
- Thermal-magnetic protection against overloads and short circuits
- Compatible with standard TH35 DIN rail mounting
- Top or bottom cable connection
- Suitable for residential, commercial and light industrial distribution boards
- Compatible accessory range includes auxiliary, alarm, shunt-release and undervoltage-release contacts
Professional Installation Requirements
- Installation, testing and commissioning should be carried out by a licensed electrician in accordance with AS/NZS 3000 and applicable local electrical regulations. Confirm fault levels, cable sizing, discrimination and enclosure suitability before installation.
Applications
- Domestic switchboards and distribution boards
- Commercial electrical distribution boards
- Light industrial control and power circuits
- Transformer and motor circuits with high starting current
- Pump and other inductive-load protection circuits
- Overload and short-circuit protection for low-voltage AC final subcircuits
Standards & Compliance
- AS/NZS 60898.1:2024 — applicable Australian/New Zealand product standard for circuit-breakers for overcurrent protection in household and similar AC installations
- AS/NZS 3000 — installation and wiring requirements for use within Australian electrical installations
Environmental Benefits
- RoHS-related material controls help reduce the use of restricted hazardous substances
- Long mechanical and electrical service life can reduce replacement frequency and product waste
- Metal components are suitable for recovery and recycling at end of service life
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 terms and sales agreement.
Available Now
Available through authorised CHINT distributors in Australia.
