Trade Discount 25%
MCB 1P 40A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 1P 40A MCB features 6kA 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: CHINT NB1-63 B40 1P MCB, 40A DIN Rail Circuit Breaker, Thermal-Magnetic Miniature Circuit Breaker
Technical Specifications
- Product Type: Miniature circuit breaker
- Number of Poles: 1P
- Rated Current: 40 A
- Tripping Curve: B curve, 3–5 x In magnetic trip range
- Rated Voltage: 230 V AC for 1P applications
- Rated Frequency: 50/60 Hz
- Breaking Capacity: 6 kA
- Insulation Voltage: 500 V
- Impulse Withstand Voltage: 4 kV
- Protection Function: Overload, short-circuit and isolation protection
- Mounting: 35 mm TH35 DIN rail
- Connection: Top or bottom feed
- Terminal Capacity: 1–25 mm² cable
- Terminal Torque: 2.0 N·m
- Ingress Protection: IP20
- Mechanical Life: 20,000 operations
- Electrical Life: 4,000 operations
- Operating Temperature: -5 °C to +40 °C
- Applicable Product Standard: IEC/EN 60898-1
- Dimensions (H x L x W): 82mm x 75.5mm x 18mm
- Weight: 0.12 kg
Key Features
- Single-pole protection for AC final circuits
- B-curve thermal-magnetic protection suited to resistive loads and lighting circuits
- 6 kA rated short-circuit breaking capacity
- Compact 18 mm modular DIN rail format
- Top or bottom cable connection
- Contact position indication for easier circuit status identification
- Compatible with selected CHINT auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
- Installation, testing and connection to mains electrical circuits must be carried out by a licensed electrician in accordance with AS/NZS 3000, applicable local electrical rules and manufacturer instructions.
Applications
- Domestic distribution boards
- Commercial switchboards
- Lighting circuits
- General-purpose resistive final circuits
- Low-voltage AC circuit overload and short-circuit protection
Standards & Compliance
- AS/NZS 60898.1: Relevant Australian/New Zealand product standard for circuit-breakers for household and similar installations; verify approval and marking for the exact Australian variant.
- AS/NZS 3000: Installation and selection must comply with the Australian/New Zealand Wiring Rules.
Environmental Benefits
- Metal components such as copper and steel can be recovered through established electrical equipment recycling streams.
- Long mechanical and electrical service life can reduce replacement frequency and associated material waste.
- Overload and short-circuit protection can help limit damage to connected electrical equipment.
Warranty Information
Warranty coverage is subject to CHINT's applicable regional terms, date of purchase and authorised Australian distributor conditions. Confirm the warranty period with the supplying distributor before purchase.
Available Now
Available through authorised CHINT distributors in Australia.
