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MCCB 1P 100A 50kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271569
$362.70 List price: $483.50
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Chint NM8N 100A 1P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, Main Circuit Breaker

Technical Specifications
  • Rated Current: 100 A
  • Poles: 1P
  • Frame Size: 125 A
  • Trip Unit: Thermal-magnetic, adjustable overload protection
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1,000 V
  • Rated Short-Circuit Breaking Capacity: 50 kA at 400/415 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Frequency: 50/60 Hz
  • Protection Rating: IP40
  • Installation: Fixed mounting, vertical or horizontal orientation, top or bottom line entry
  • Mechanical Endurance: Up to 15,000 operating cycles
  • Electrical Endurance: Up to 8,000 operating cycles
  • Dimensions (H x L x W): 140mm x 108.5mm x 35mm
  • Weight: 0.52 kg
Key Features
  • Single-pole moulded case circuit breaker for low-voltage distribution systems
  • Thermal-magnetic trip unit provides overload and short-circuit protection
  • 50 kA short-circuit breaking capacity for high-fault-level applications
  • 125 A frame with a 100 A rated current
  • Suitable for switchboard mains, sub-mains and commercial or industrial distribution boards
  • Can be installed with line entry from the top or bottom
  • Compact fixed-mount design for panel and switchboard installation
Professional Installation Requirements
  • Installation, selection and testing must be completed by a licensed electrician in accordance with applicable Australian electrical installation requirements, manufacturer instructions and the switchboard design. Confirm prospective fault current, discrimination, cable capacity and required local certification before energising.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial electrical distribution boards
  • Industrial power distribution panels
  • Building services and plant electrical protection
  • Low-voltage equipment and motor supply protection
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers; verify product-specific Australian certification and RCM requirements before installation.
  • Installation should comply with AS/NZS 3000 and the requirements of the relevant state or territory electrical regulator.
Environmental Benefits
  • Long service life can reduce replacement frequency and electrical equipment waste.
  • Thermal-magnetic protection helps limit damage from overloads and short circuits, supporting longer service life for connected equipment.
  • Moulded-case construction includes durable materials that may be separated for responsible end-of-life recycling where suitable facilities exist.
Warranty Information

CHINT’s general warranty policy for other low-voltage apparatus is 27 months from the date of manufacture when sold through authorised sales channels, subject to the applicable sales contract and warranty exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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