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MCB 2P 40A 10kA C Curve DIN Rail NB1-63H Chint

BRAND: CABAC
SKU: 179833
$21.20 List price: $28.20
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Chint NB1-63H 2P 40A 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: Miniature Circuit Breaker, Double-Pole MCB, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 40 A
  • Number of Poles: 2P
  • Rated Voltage: 230/400 V AC
  • Rated Frequency: 50/60 Hz
  • Breaking Capacity: 10 kA
  • Tripping Curve: C curve, 5–10 x In
  • Protection Type: Thermal-magnetic overload and short-circuit protection
  • Mounting: 35 mm DIN rail, EN 60715 compatible
  • Terminal Connection: Top or bottom connection
  • Ingress Protection: IP20
  • Electrical Life: 10,000 operations
  • Mechanical Life: 20,000 operations
  • Maximum Power Loss: 5 W per pole
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.22 kg
Key Features
  • Double-pole circuit protection and isolation
  • 10 kA ultimate short-circuit breaking capacity
  • C-curve characteristic suitable for resistive and inductive loads with moderate inrush current
  • Thermal-magnetic protection against overload and short-circuit currents
  • Fast-clip mounting on standard 35 mm DIN rail
  • Suitable for domestic, commercial and industrial distribution boards
  • Compatible with pin-type busbars and top or bottom cable connection
Professional Installation Requirements
  • Installation and connection should be carried out by a licensed electrician in accordance with AS/NZS 3000, applicable local electrical regulations and the manufacturer's instructions. Confirm fault level, discrimination, conductor capacity and local approval requirements before installation.
Applications
  • Domestic distribution boards
  • Commercial switchboards
  • Industrial electrical distribution systems
  • Overload and short-circuit protection for final subcircuits
  • DIN rail control and protection assemblies
Standards & Compliance
  • Relevant product standard: AS/NZS 60898.1 for AC circuit-breakers for overcurrent protection in household and similar installations
  • Installation should comply with AS/NZS 3000 Wiring Rules
  • Verify required Australian approval and RCM marking before connection to supply
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Replaceable modular construction allows the protective device to be renewed without replacing the complete switchboard assembly
  • Helps protect connected electrical equipment from overload and short-circuit damage, potentially reducing premature equipment disposal
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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