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MCB 2P 20A 10kA D Curve DIN Rail NB1-63H Chint

BRAND: CABAC
SKU: 179842
$21.20 List price: $28.20
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Chint NB1-63H 2P 20A MCB features 10kA breaking capacity, D-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: 2P MCB, Double-Pole Circuit Breaker, DIN Rail MCB, Thermal-Magnetic Circuit Breaker, CHINT NB1-63H D20

Technical Specifications
  • Product Series: NB1-63H
  • Poles: 2P
  • Rated Current: 20A
  • Trip Curve: D curve, 10–14 times rated current
  • Rated Voltage: 400V AC
  • Rated Frequency: 50/60Hz
  • Rated Breaking Capacity: 10kA
  • Standard Design: IEC/EN 60898-1
  • Terminal Capacity: Up to 25mm² cable
  • Terminal Tightening Torque: 2.0Nm
  • Mounting: 35mm DIN rail to EN 60715
  • Connection: From top or bottom
  • Protection Degree: IP20
  • Electrical Life: 10,000 operations
  • Mechanical Life: 20,000 operations
  • Contact Position Indicator: Yes
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.22 kg
Key Features
  • Two-pole protection and switching for single-phase or two-line circuits
  • D-curve thermal-magnetic protection for circuits with high inrush currents
  • 10kA short-circuit breaking capacity
  • Compact modular design occupying 2 DIN modules
  • Suitable for domestic, commercial and light industrial distribution boards
  • DIN rail fast-clip mounting
  • Cable and U-type or pin-type busbar compatible terminals
  • Can be connected from either the top or bottom
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable local electrical regulations and the manufacturer’s instructions. Confirm that the D-curve characteristic, fault level and breaking capacity are suitable for the circuit before installation.
Applications
  • Domestic distribution boards
  • Commercial switchboards
  • Light industrial control and distribution panels
  • Circuits supplying motors, transformers and other loads with high starting currents
  • Overload and short-circuit protection for low-voltage AC circuits
Standards & Compliance
  • AS/NZS 60898.1: applicable Australian/New Zealand product standard for miniature circuit-breakers for household and similar installations; verify local approval and RCM requirements before installation
  • AS/NZS 3000: installation and wiring requirements applicable to electrical switchboards and circuit protection
Environmental Benefits
  • Durable thermal-magnetic construction can reduce replacement frequency and product waste
  • Metal and thermoplastic components may be recyclable through appropriate electrical equipment recycling channels
  • Circuit protection can help prevent damage to connected equipment and reduce waste caused by electrical faults
Warranty Information

CHINT’s general warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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