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

BRAND: CABAC
SKU: 179819
$21.20 List price: $28.20
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Chint NB1-63H 2P 40A MCB features 10kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: 2P 40A Miniature Circuit Breaker, Double-Pole MCB, DIN Rail Circuit Breaker, NB1-63H B40 10kA MCB

Technical Specifications
  • Product Series: NB1-63H
  • Number of Poles: 2P
  • Rated Current: 40A
  • Tripping Curve: B curve, 3–5 times rated current
  • Rated Voltage: AC 230/400–240/415V
  • Rated Frequency: 50/60Hz
  • Breaking Capacity: 10kA
  • Rated Insulation Voltage: 500V
  • Impulse Withstand Voltage: 6kV
  • Energy Limiting Class: 3
  • Protection Type: Thermal-magnetic overload and short-circuit protection
  • Mounting: 35mm DIN rail to EN 60715
  • Terminal Capacity: Up to 25mm²
  • Tightening Torque: 2.5N·m
  • Protection Degree: IP20
  • Electrical Endurance: 10,000 operations
  • Mechanical Endurance: 20,000 operations
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.22 kg
Key Features
  • Two-pole circuit protection for switching and isolating active and neutral conductors where applicable
  • B-curve thermal-magnetic tripping characteristic for general domestic and commercial circuits
  • 10kA rated short-circuit breaking capacity
  • Suitable for 35mm DIN rail mounting in distribution boards and consumer units
  • Top or bottom electrical connection
  • Compatible with selected CHINT auxiliary, alarm, shunt-release and undervoltage accessories
  • Compact modular design with visual contact-position indication
Professional Installation Requirements
  • Installation, testing and commissioning should be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable local electrical requirements. Confirm fault levels, discrimination, conductor sizing and enclosure suitability before installation.
Applications
  • Domestic distribution boards
  • Commercial switchboards and consumer units
  • Final circuit overload and short-circuit protection
  • General lighting and power circuits suitable for B-curve protection
  • Electrical control and distribution panels
Standards & Compliance
  • AS/NZS 60898.1 for circuit-breakers for overcurrent protection in household and similar installations
Environmental Benefits
  • Durable construction and rated mechanical life can reduce replacement frequency and associated material waste
  • Metal components can be recovered for recycling at end of service life
  • Thermal-magnetic protection helps limit damage to downstream electrical equipment during overload and short-circuit events
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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