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MCB 3P 16A 6kA B Curve DIN Rail NB1-63 Chint

BRAND: CABAC
SKU: 179686
$43.30 List price: $57.70
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Chint NB1-63 3P 16A MCB features 6kA breaking capacity, B-curve thermal-magnetic protection and DIN rail mount to IEC 60898. For domestic and commercial boards.

Alternatively Known As: 3P 16A B16 MCB, DIN Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker, CHINT NB1-63B3P16

Technical Specifications
  • Product Code: 179686
  • Poles: 3P
  • Rated Current: 16 A
  • Tripping Curve: B curve, 3–5 x In magnetic trip range
  • Rated Voltage: 400 V AC
  • Rated Frequency: 50/60 Hz
  • Breaking Capacity: 6 kA Icn and Ics
  • Insulation Voltage: 500 V AC
  • Impulse Withstand Voltage: 4 kV
  • Protection Function: Overload, short-circuit and isolation protection
  • Mounting: TH35 DIN rail
  • Terminal Capacity: 1–25 mm² conductors
  • Terminal Tightening Torque: 2.0 N·m
  • Ingress Protection: IP20
  • Electrical Life: 4,000 operations
  • Mechanical Life: 20,000 operations
  • Power Dissipation: 10.5 W
  • Dimensions (H x L x W): 86mm x 78mm x 54mm
  • Weight: 0.354 kg
Key Features
  • Three-pole protection for three-phase circuits
  • B-curve thermal-magnetic tripping characteristics
  • 6 kA short-circuit breaking capacity
  • DIN rail mounting for modular switchboards
  • Top or bottom cable connection
  • Suitable for resistive loads, lighting and general distribution circuits
  • Compatible with CHINT auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions and applicable Australian wiring rules. Confirm prospective fault current, discrimination, conductor sizing and local approval before installation.
Applications
  • Residential distribution boards
  • Commercial switchboards
  • Three-phase lighting circuits
  • Resistive heating loads
  • General low-voltage power distribution
  • Overload and short-circuit protection for three-phase final circuits
Standards & Compliance
  • Manufacturer-declared compliance with IEC/EN 60898-1
  • AS/NZS 60898.1:2024 is the applicable Australian/New Zealand standard for household and similar AC circuit-breakers; verify local certification and regulatory approval before installation
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Modular DIN rail construction allows individual circuit protection devices to be replaced without replacing the complete switchboard assembly
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus specifies 27 months from the date of manufacture when supplied through authorised sales channels. Local warranty terms and Australian Consumer Law rights may apply.

Available Now

Available through authorised CHINT distributors in Australia.

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