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MCB 1P 6A 6kA D Curve DIN Rail NB1-63 Chint

BRAND: CABAC
SKU: 179639
$10.30 List price: $13.70
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Chint NB1-63 1P 6A MCB features 6kA breaking capacity, D-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: 6A DIN Rail MCB, Single-Pole D-Curve Circuit Breaker, NB1-63 D6 6kA MCB

Technical Specifications
  • Product Series: NB1-63
  • Poles: 1P
  • Rated Current: 6 A
  • Tripping Characteristic: D curve, 10–14 × In magnetic release range
  • Rated Voltage: 230 V AC
  • Rated Frequency: 50/60 Hz
  • Breaking Capacity: 6 kA
  • Insulation Voltage: 500 V
  • Impulse Withstand Voltage: 4 kV
  • Mounting: TH35-7.5 DIN rail
  • Terminal Capacity: 1–25 mm²
  • Connection: Top or bottom feed
  • Protection Degree: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 4,000 operations
  • Operating Temperature: –5 °C to +40 °C
  • Reference Product Code: 179639
  • Dimensions (H x L x W): 82mm x 75.5mm x 18mm
  • Weight: 0.12 kg
Key Features
  • Thermal-magnetic overload and short-circuit protection
  • D-curve characteristic for high-inrush loads such as transformers, motors and power supplies
  • Single-pole design for compact switchboard installation
  • 6 kA rated short-circuit breaking capacity
  • DIN rail mounting for modular distribution boards
  • Top or bottom cable connection
  • Suitable for residential, commercial and light-industrial electrical installations
  • Compatible with selected CHINT auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
  • Installation and connection to mains electrical circuits must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical regulations.
Applications
  • Residential distribution boards
  • Commercial switchboards
  • Lighting and control circuits with high inrush current
  • Transformer and motor protection circuits
  • Power supplies and other inductive loads
  • Low-voltage AC circuit isolation and overcurrent protection
Standards & Compliance
  • IEC/EN 60898-1 product standard
  • AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for household and similar AC miniature circuit-breakers; confirm product-specific Australian approval and RCM requirements before installation
  • Electrical installations incorporating the device must comply with AS/NZS 3000
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Modular construction allows replacement of the protective device without replacing the complete distribution board
  • Metal and thermoplastic components can be separated for recycling at end of service life where local facilities accept them
  • Overcurrent protection helps prevent damage to connected equipment and reduces fire-related material loss
Warranty Information

CHINT warranty policy generally covers other low-voltage apparatus for 27 months from the date of manufacture when purchased through authorised sales channels, subject to contract terms and applicable conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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