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MCB 1P 20A 6kA C Curve DIN Rail NB1-63 Chint

BRAND: CABAC
SKU: 179618
$7.60 List price: $10.10
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Chint NB1-63 1P 20A 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: CHINT NB1631NC20A, 20A Single-Pole MCB, C20 DIN Rail Circuit Breaker

Technical Specifications
  • Rated Current: 20 A
  • Number of Poles: 1P
  • Tripping Curve: C curve, 5–10 × In magnetic trip range
  • Rated Voltage: 230 V AC for 1P applications
  • Rated Frequency: 50/60 Hz
  • Rated Breaking Capacity: 6 kA
  • Rated Insulation Voltage: 500 V
  • Rated Impulse Withstand Voltage: 4 kV
  • Release Type: Thermal-magnetic
  • Terminal Capacity: Up to 25 mm² cable
  • Terminal Torque: 2.0 N·m
  • Mounting: 35 mm EN 60715 DIN rail
  • Connection: Top or bottom feed
  • Ingress Protection: IP20
  • Electrical Life: Up to 10,000 operations
  • Mechanical Life: Up to 20,000 operations
  • Compatible Accessories: Auxiliary contact, alarm contact, shunt release and undervoltage release
  • Dimensions (H x L x W): 82mm x 75.5mm x 18mm
  • Weight: 0.118 kg
Key Features
  • Single-pole protection for 230 V AC circuits
  • C-curve response suitable for mixed loads and moderate motor starting currents
  • Provides overload, short-circuit and circuit isolation protection
  • 6 kA rated short-circuit breaking capacity
  • Compact one-module DIN rail format
  • Top or bottom cable connection
  • Contact position indication
  • Suitable for residential, commercial and light industrial distribution boards
Professional Installation Requirements
  • Installation, selection and testing should be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable local requirements. Confirm prospective fault current, discrimination, cable sizing and required Australian compliance markings before installation.
Applications
  • Residential switchboards and distribution boards
  • Commercial electrical distribution panels
  • Lighting and general power circuits
  • Mixed-load circuits with moderate inrush current
  • Light industrial control and distribution panels
Standards & Compliance
  • AS/NZS 60898.1:2024 is the relevant Australian/New Zealand product standard for circuit-breakers for overcurrent protection in household and similar AC installations; verify product certification and required markings before use.
  • AS/NZS 3000 applies to selection and installation within Australian electrical installations.
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Metal components can be recovered for recycling at end of service life
  • Low-voltage circuit protection helps limit equipment damage and reduce waste following overload or short-circuit events
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when purchased through authorised sales channels; contract terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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