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

BRAND: CABAC
SKU: 179611
$10.90 List price: $14.50
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Chint NB1-63 1P 6A 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: 6A B6 MCB, Single-Pole Circuit Breaker, DIN Rail MCB, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 6 A
  • Number of Poles: 1P
  • Tripping Curve: B curve, 3–5 x In
  • Rated Voltage: 230 V AC for 1P applications
  • Rated Frequency: 50/60 Hz
  • Breaking Capacity: 6 kA
  • Rated Insulation Voltage: 500 V
  • Rated Impulse Withstand Voltage: 4 kV
  • Mounting: TH35-7.5 DIN rail
  • Terminal Capacity: 1–25 mm² cable
  • Connection: Top or bottom feed
  • Tightening Torque: 2.0 N·m
  • Protection Degree: IP20
  • Electrical Life: 4,000 operations
  • Mechanical Life: 20,000 operations
  • Operating Temperature: -5 °C to +40 °C
  • Dimensions (H x L x W): 82mm x 75.5mm x 18mm
  • Weight: 0.118 kg
Key Features
  • Thermal-magnetic protection against overload and short-circuit currents
  • B-curve characteristic suitable for resistive loads, lighting circuits and long cable runs
  • 6 kA rated short-circuit breaking capacity
  • Single-pole configuration for compact distribution boards
  • Compatible with fork-type and pin-type busbars
  • Top or bottom cable connection
  • DIN rail clip mounting for residential, commercial and light industrial boards
  • Compatible with auxiliary, alarm, shunt-release and undervoltage accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000 and the applicable equipment requirements. Confirm the prospective fault current, circuit design and coordination before installation.
Applications
  • Residential switchboards and distribution boards
  • Commercial electrical distribution panels
  • Lighting and general-purpose final circuits
  • Control panels and light industrial installations
  • Overload and short-circuit protection for low-voltage AC circuits
Standards & Compliance
  • AS/NZS 60898.1 is the applicable Australian/New Zealand product standard for miniature circuit-breakers of this type
  • AS/NZS 3000 applies to selection, installation and verification within Australian electrical installations
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and material waste
  • Metal components can be recovered through appropriate electrical equipment recycling streams
  • RoHS-related compliance documentation is available for the NB1-63 product family
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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