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MCB 3P 20A 10kA B Curve DIN Rail NB1-63H Chint

BRAND: CABAC
SKU: 179856
$82.40 List price: $109.90
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Chint NB1-63H 3P 20A 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: 3P MCB, Triple-Pole Circuit Breaker, DIN-Rail Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Product Series: NB1-63H
  • Number of Poles: 3P
  • Rated Current: 20 A
  • Tripping Curve: B curve, 3–5 times rated current
  • Breaking Capacity: 10 kA
  • Rated Voltage: 400 V AC
  • Mounting: 35 mm DIN rail
  • Width: 3 DIN modules, 54 mm
  • Protection Type: Thermal-magnetic overload and short-circuit protection
  • Applicable Product Standard: IEC/EN 60898-1
  • Dimensions (H x L x W): 86mm x 78mm x 54mm
  • Weight: 0.356 kg
Key Features
  • Three-pole circuit protection for domestic, commercial and light industrial distribution boards
  • B-curve tripping characteristic for general-purpose circuits and longer cable runs
  • 10 kA short-circuit breaking capacity
  • Thermal-magnetic protection against overloads and short circuits
  • Compatible with standard 35 mm DIN-rail mounting
  • Suitable for modular distribution boards and switchboards
  • Clear ON/OFF switching indication
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and local regulatory requirements.
Applications
  • Domestic distribution boards
  • Commercial electrical switchboards
  • Light industrial power distribution
  • General-purpose final circuits
  • Overload and short-circuit protection for three-phase circuits
Standards & Compliance
  • Applicable Australian product standard: AS/NZS 60898.1:2024 for AC circuit-breakers for household and similar installations; verify the specific product's Australian approval and RCM status before installation.
Environmental Benefits
  • Thermal-magnetic protection can help prevent damage to wiring and connected equipment, reducing premature replacement and material waste
  • Long service life of a reusable modular protective device can reduce waste compared with disposable protection components
  • Metal and thermoplastic construction contains materials that may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT 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 warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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