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MCB 1P 40A 10kA D Curve DIN Rail NB1-63H Chint

BRAND: CABAC
SKU: 179805
$19.20 List price: $25.60
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Chint NB1-63H 1P 40A 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: CHINT NB1-63H/D40-1P-10 MCB, 40A D-Curve Circuit Breaker, Single-Pole DIN Rail MCB

Technical Specifications
  • Device Type: Miniature circuit breaker
  • Number of Poles: 1P
  • Rated Current: 40 A
  • Tripping Characteristic: D curve, 10–20 x In
  • Rated Voltage: AC 230/400–240/415 V
  • Rated Insulation Voltage: 500 V
  • Breaking Capacity: 10 kA
  • Rated Frequency: 50/60 Hz
  • Impulse Withstand Voltage: 6 kV
  • Energy Limiting Class: 3
  • Terminal Capacity: Up to 25 mm²
  • Tightening Torque: 2.5 N·m
  • Connection: Top or bottom feed
  • Protection Degree: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 10,000 operations
  • Mounting: 35 mm DIN rail to EN 60715
  • Dimensions (H x L x W): 86mm x 78mm x 18mm
  • Weight: 0.2 kg
Key Features
  • Thermal-magnetic protection against overload and short-circuit faults
  • D-curve operation suits circuits with higher inrush currents
  • 10 kA short-circuit breaking capacity
  • Single-pole modular design for distribution boards
  • Compatible with cable, U-type busbar and pin-type busbar connections
  • Top or bottom electrical connection
  • Accessory options include auxiliary, alarm, shunt-release and undervoltage devices
Professional Installation Requirements
  • Installation, selection and testing should be performed by a licensed electrician in accordance with applicable Australian wiring rules and manufacturer instructions. Confirm fault levels, conductor capacity, enclosure compatibility and local approval requirements before installation.
Applications
  • Residential consumer units and switchboards
  • Commercial distribution boards
  • Industrial control and distribution panels
  • Circuits supplying motors, transformers and other loads with high starting current
  • Low-voltage AC circuit overload and short-circuit protection
Standards & Compliance
  • AS/NZS 60898.1:2024 is the applicable Australian/New Zealand product standard for household and similar AC circuit-breakers in this rating range
  • Manufacturer specification references IEC/EN 60898-1; verify Australian approval and RCM requirements before installation
Environmental Benefits
  • Modular construction allows an individual protective device to be replaced without replacing the complete distribution board
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Metal components and thermoplastics may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT warranty policy states that other low-voltage apparatus is covered against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised channels, subject to the applicable sales contract and warranty exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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