SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

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

BRAND: CABAC
SKU: 179828
$21.20 List price: $28.20
+ −
30 Days Return Electricians Unlock Trade Access
Chint NB1-63H 2P 20A MCB features 10kA breaking capacity, C-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: CHINT NB1-63H/C20-2P-10 MCB, 2P C20 MCB, 20A Double-Pole Circuit Breaker

Technical Specifications
  • Product Type: Miniature circuit breaker with thermal-magnetic protection
  • Number of Poles: 2P
  • Rated Current: 20 A
  • Tripping Curve: C curve, 5–10 times rated current
  • Rated Voltage: 230/400–240/415 V AC
  • Rated Frequency: 50/60 Hz
  • Short-Circuit Breaking Capacity: 10 kA
  • Reference Standard: IEC/EN 60898-1
  • Insulation Voltage: 500 V
  • Energy-Limiting Class: Class 3
  • Protection Degree: IP20
  • Mounting: 35 mm EN 60715 DIN rail
  • Connection: Top or bottom feed
  • Terminal Capacity: Up to 25 mm²
  • Tightening Torque: 2.5 N·m
  • Mechanical Life: Up to 20,000 operations
  • Electrical Life: Up to 10,000 operations
  • Product Code: 179828
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.3 kg
Key Features
  • Protects circuits against overload and short-circuit currents
  • C-curve operation suits general domestic, commercial and mixed-load applications
  • 2-pole switching for simultaneous isolation of active and neutral conductors where applicable
  • 10 kA short-circuit breaking capacity
  • Compact two-module DIN-rail format
  • Compatible with cable, pin-type busbar and U-type busbar connections
  • Top or bottom cable entry
  • Optional auxiliary, alarm, shunt-release, under-voltage and residual-current accessories are available for the NB1 range
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000 and the manufacturer's instructions. Confirm prospective fault current, discrimination, conductor sizing and suitability for the intended switchboard before installation.
Applications
  • Domestic consumer units and distribution boards
  • Commercial electrical switchboards
  • Industrial control and power distribution panels
  • Protection of general-purpose lighting and power circuits
  • DIN-rail electrical enclosures and modular switchgear assemblies
Standards & Compliance
  • IEC/EN 60898-1 product standard stated for the breaker
  • AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for household and similar AC circuit-breakers; specific AS/NZS certification for this item should be confirmed before Australian installation
  • Installation is subject to AS/NZS 3000 wiring requirements
Environmental Benefits
  • Thermal-magnetic protection can limit fault damage and help extend the service life of connected wiring and equipment
  • Class 3 energy limitation helps reduce let-through energy during short-circuit events
  • Durable modular construction can reduce replacement frequency and electrical equipment waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

Related Products