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MCB 1P 63A 10kA D Curve DIN Rail NB1-63H Chint

BRAND: CABAC
SKU: 179808
$19.20 List price: $25.60
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Chint NB1-63H 1P 63A 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: 63A D-Curve MCB, Single-Pole DIN-Rail Circuit Breaker, Thermomagnetic Circuit Breaker

Technical Specifications
  • Model: NB1-63H/D63-1P-10
  • Poles: 1P
  • Rated Current: 63A
  • Tripping Characteristic: D curve, 10–20 × In magnetic trip range
  • Rated Voltage: 230/400–240/415V AC
  • Rated Frequency: 50/60Hz
  • Breaking Capacity: 10kA Icn; 7.5kA Ics
  • Insulation Voltage: 500V Ui
  • Impulse Withstand Voltage: 6kV Uimp
  • Energy Limiting Class: 3
  • Terminal Capacity: Up to 25mm²
  • Terminal Tightening Torque: 2.5N·m
  • Protection Rating: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 10,000 operations
  • Mounting: 35mm EN 60715 DIN rail
  • Connection: Top or bottom feed
  • Dimensions (H x L x W): 86mm x 78mm x 18mm
  • Weight: 0.12 kg
Key Features
  • Thermal-magnetic overload and short-circuit protection
  • D curve suitable for circuits with high starting or inrush currents
  • 10kA short-circuit breaking capacity
  • Single-pole modular design for compact distribution boards
  • Compatible with cable, U-type busbar and pin-type busbar connections
  • Suitable for residential, commercial and industrial distribution panels
  • Optional auxiliary, alarm, shunt-release and undervoltage accessories available
Professional Installation Requirements
  • Installation, selection and testing must be carried out by a licensed electrician in accordance with manufacturer instructions and applicable Australian wiring requirements, including AS/NZS 3000.
Applications
  • Domestic consumer units and distribution boards
  • Commercial switchboards
  • Industrial control and distribution panels
  • Motor, transformer and other high-inrush-current circuits
  • Overload and short-circuit protection for AC final circuits
Standards & Compliance
  • AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for AC miniature circuit-breakers of this type; confirm local approval and RCM requirements before installation.
  • AS/NZS 3000 applies to selection, installation and verification within Australian electrical installations.
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and material waste
  • Thermal-magnetic protection helps limit damage to downstream equipment and reduce premature component replacement
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT’s general warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised sales channels; contractual or Australian distributor terms may differ.

Available Now

Available through authorised CHINT distributors in Australia.

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