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MCB 2P 50A 6kA C Curve DIN Rail NB1-63 Chint

BRAND: CABAC
SKU: 179666
$19.60 List price: $26.20
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Chint NB1-63 2P 50A 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 NB1-63/C50-2P-6 MCB, 2P 50A Circuit Breaker, DIN Rail Miniature Circuit Breaker

Technical Specifications
  • Product Series: NB1-63
  • Number of Poles: 2P
  • Rated Current: 50 A
  • Rated Voltage: 230/400 V AC
  • Rated Frequency: 50/60 Hz
  • Tripping Characteristic: C curve, 5–10 times rated current
  • Rated Breaking Capacity: 6 kA
  • Rated Service Short-Circuit Capacity: 6 kA
  • Insulation Voltage: 500 V
  • Impulse Withstand Voltage: 4 kV
  • Protection Function: Overload, short-circuit and isolation protection
  • Mounting: TH35 DIN rail
  • Terminal Capacity: 1–25 mm²
  • Terminal Tightening Torque: 2.0 N·m
  • Ingress Protection: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 4,000 operations
  • Reference Standard: IEC/EN 60898-1
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.22 kg
Key Features
  • Two-pole thermal-magnetic circuit protection
  • C-curve characteristic for mixed loads and moderate starting currents
  • 6 kA short-circuit breaking capacity
  • Suitable for 230/400 V AC distribution systems
  • Compact two-module DIN rail format
  • Top or bottom feed connection
  • Compatible with selected auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
  • Installation, testing and commissioning should be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable electrical safety requirements. Confirm fault levels, conductor sizing, discrimination and the required RCM or approval marking before installation.
Applications
  • Residential distribution boards
  • Commercial switchboards
  • Light industrial electrical panels
  • Overload and short-circuit protection for final subcircuits
  • DIN rail power distribution assemblies
Standards & Compliance
  • AS/NZS 60898.1:2004 for circuit-breakers for overcurrent protection in household and similar installations
  • CHINT NB1-63 range documentation lists SAA and RCM certification for applicable Australian variants; verify the approval marking and exact certification of the supplied unit
Environmental Benefits
  • Thermal-magnetic protection can reduce damage to wiring and connected equipment, helping extend system service life
  • RoHS declarations are available for the NB1-63 product range
  • Metal and thermoplastic components can be separated for appropriate electrical-equipment recycling at end of life
Warranty Information

Warranty coverage is subject to CHINT or the authorised distributor’s terms. CHINT product documentation commonly specifies 12 months from purchase or 18 months from manufacture, whichever occurs first; confirm the applicable terms for the supplied Australian product.

Available Now

Available through authorised CHINT distributors in Australia.

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