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MCCB 3P 100A 100kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271403
$1,919.00 List price: $2,558.70
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Chint NM8N 100A 3P MCCB features 100kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250H EM 3P 100A MCCB, moulded case circuit breaker, electronic MCCB, switchboard main breaker

Technical Specifications
  • Series: NM8N
  • Breaker Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Rated Current: 100 A
  • Frame Size: 250 A
  • Trip Unit: Standard electronic, EM type
  • Breaking Capacity: 100 kA at 380/400/415 V AC
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Utilisation Category: A
  • Mounting: Fixed, front connection or compatible mounting arrangements
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at 415 V AC and rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • 100 A rated current with a 250 A frame
  • Three-pole protection for three-phase distribution systems
  • 100 kA short-circuit breaking capacity at 380/400/415 V AC
  • Standard electronic trip unit for adjustable and accurate overcurrent protection
  • Suitable for switchboard mains and sub-mains protection
  • Rated for electrical systems up to 690 V AC
  • Suitable for isolation
  • Zero arcing distance design
  • Available with fixed and accessory-based installation configurations
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and the circuit breaker's installation instructions. Verify fault levels, discrimination, cable ratings, trip settings and local certification requirements before energising.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase power distribution systems
  • Overload and short-circuit protection for feeders and large electrical loads
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 and applicable state or territory electrical requirements
  • Confirm the specific product's Australian certification and RCM status before installation
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and equipment waste
  • Metal and moulded polymer components may be recoverable through appropriate electrical equipment recycling streams
  • Electronic trip protection can help limit damage to connected equipment during overload and short-circuit events
  • Designed for use in distribution systems where reliable protection supports efficient and durable electrical infrastructure
Warranty Information

CHINT general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and local distributor terms.

Available Now

Available through authorised CHINT distributors in Australia.

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