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MCB 2P 63A 6kA C Curve DIN Rail NB1-63 Chint

BRAND: CABAC
SKU: 179668
$19.60 List price: $26.20
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Chint NB1-63 2P 63A MCB features 6kA breaking capacity, C-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: 2P 63A MCB, Double-Pole Circuit Breaker, DIN Rail MCB, C63 Miniature Circuit Breaker

Technical Specifications
  • Rated Current: 63 A
  • Number of Poles: 2P
  • Tripping Curve: C curve, 5–10 In magnetic operation range
  • Rated Voltage: 400 V AC
  • Rated Frequency: 50/60 Hz
  • Breaking Capacity: 6 kA
  • Insulation Voltage: 500 V
  • Impulse Withstand Voltage: 4 kV
  • Connection Capacity: 1–25 mm² conductors
  • Terminal Tightening Torque: 2.0 N·m
  • Mounting: TH35-7.5 DIN rail
  • Protection Degree: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 4,000 operations
  • Operating Temperature: -5°C to +40°C
  • Feed Direction: Top or bottom connection
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.2 kg
Key Features
  • Thermal-magnetic protection against overload and short-circuit currents
  • Two-pole switching and isolation for low-voltage distribution circuits
  • C-curve characteristic suited to mixed loads, socket circuits and small motors
  • 6 kA rated short-circuit breaking capacity
  • Compatible with selected CHINT auxiliary, alarm, shunt-release and undervoltage accessories
  • Compact two-module DIN rail format
Professional Installation Requirements
  • Installation and connection should be performed by a licensed electrician in accordance with AS/NZS 3000 and the switchboard manufacturer's requirements. Confirm prospective fault current, conductor sizing, discrimination and enclosure suitability before installation.
Applications
  • Residential distribution boards
  • Commercial electrical switchboards
  • Light industrial power distribution
  • Mixed-load circuits with moderate starting currents
  • Circuit isolation and overcurrent protection in DIN rail enclosures
Standards & Compliance
  • Applicable Australian/New Zealand product standard: AS/NZS 60898.1 for miniature circuit-breakers for a.c. operation
  • Manufacturer-stated design standard: IEC/EN 60898-1
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Effective overload and short-circuit protection can help prevent damage to downstream electrical equipment
  • Compact DIN rail design supports efficient switchboard use and material utilisation
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; contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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