Trade Discount 25%
MCB 2P 16A 6kA B Curve DIN Rail NB1-63 Chint
Chint NB1-63 2P 16A 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: 2-Pole MCB, Double-Pole Circuit Breaker, DIN Rail MCB, NB1-63 B16 MCB
Technical Specifications
- Series: NB1-63
- Poles: 2P
- Rated Current: 16 A
- Tripping Curve: B curve, 3–5 x rated current
- Rated Voltage: 400 V AC
- 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: TH35-7.5 DIN rail
- Terminal Capacity: 1–25 mm²
- Terminal Tightening 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
- Connection: Top or bottom feed
- Dimensions (H x L x W): 82mm x 75.5mm x 36mm
- Weight: 0.2 kg
Key Features
- Two-pole protection and isolation for AC circuits
- B-curve thermal-magnetic protection suited to resistive loads and lighting circuits
- 6 kA rated short-circuit breaking capacity
- Compact two-module DIN rail format
- Top or bottom cable feed
- Compatible with selected CHINT auxiliary, alarm, shunt-release and undervoltage accessories
- Suitable for residential, commercial and light industrial distribution boards
Professional Installation Requirements
- Installation and testing must be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and the requirements of the electrical installation.
Applications
- Residential distribution boards
- Commercial switchboards
- Lighting circuits
- Resistive loads with low inrush current
- Low-voltage AC circuit overload and short-circuit protection
- DIN rail control and distribution panels
Standards & Compliance
- AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for household and similar AC circuit-breakers; this model is specified by CHINT to IEC/EN 60898-1.
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling
- Compact DIN rail design helps minimise material use and enclosure space
- Supports reliable circuit protection that can help prevent damage to downstream electrical equipment
Warranty Information
CHINT warranty policy covers other low-voltage apparatus for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
