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MCCB 3P 100A 150kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271709
$1,204.30 List price: $1,605.80
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Chint NM8N 100A 3P MCCB features 150kA 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, NM8N-125R 3P MCCB

Technical Specifications
  • Rated Current: 100 A
  • Number of Poles: 3P
  • Frame Size: 125 A
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity Icu: 150 kA at 380/415 V AC
  • Service Breaking Capacity Ics: Up to 100% of Icu, subject to the exact variant and test conditions
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage Ui: 1,000 V AC
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Frequency: 50/60 Hz
  • Utilisation Category: Category A
  • Trip Current Adjustment: 0.7–1.0 × In
  • Installation: Fixed mounting with line/load connection from the top or bottom
  • Dimensions (H x L x W): 140mm x 90mm x 78.5mm
  • Weight: 1.05 kg
Key Features
  • Three-pole moulded case circuit breaker for low-voltage distribution systems
  • Thermal-magnetic protection against overload and short-circuit faults
  • 125A frame with a 100A rated current setting
  • 150kA high breaking capacity for high prospective fault-current installations
  • Suitable for switchboard mains, sub-mains and industrial distribution applications
  • Can be installed vertically or horizontally
  • Supports accessory integration including auxiliary and alarm contacts, subject to configuration
  • Designed for electrical isolation and circuit protection
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and the requirements of the switchboard assembly. Confirm coordination, prospective fault current, cable capacity and local approval before energising.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Industrial power distribution boards
  • Commercial building electrical distribution
  • Power centres and motor control centres
  • High fault-level low-voltage installations
Standards & Compliance
  • Applicable Australian/New Zealand product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers; verify certification and RCM requirements for the exact supplied variant
  • Installation within an electrical installation should comply with AS/NZS 3000:2018 and applicable amendments
  • Where installed as part of a switchboard assembly, the completed assembly may need to comply with AS/NZS 61439
Environmental Benefits
  • Durable moulded-case construction can support a long service life and reduce replacement waste
  • Copper, aluminium and steel components are recyclable at end of service life
  • Thermal-magnetic protection helps limit damage to cables and electrical equipment during overload and short-circuit events
  • RoHS or material-compliance status should be confirmed against the exact supplied variant
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels. Contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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