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

BRAND: CABAC
SKU: 271355
$1,455.80 List price: $1,941.00
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Chint NM8N 250A 3P MCCB features 100kA breaking capacity, basic electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250H-EN-3P-250, moulded case circuit breaker, electronic MCCB, 250A three-phase circuit breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 250A
  • Number of Poles: 3P
  • Trip Unit: Basic electronic type, EN
  • Breaking Capacity: 100kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Short-Time Withstand Current: 3kA for 1 second at 250A
  • Connection: Fixed mounting with front or rear connection options
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at 415V AC and rated current
  • Operating Temperature: -35°C to +70°C for basic electronic type
  • Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • 100kA ultimate short-circuit breaking capacity at 380/400/415V AC
  • Basic electronic trip unit for adjustable overcurrent protection
  • 250A frame with 250A rated current
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains, sub-mains and industrial distribution circuits
  • Supports isolation and has zero arcing distance
  • Compact moulded-case design for fixed installation
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable switchboard requirements and the manufacturer's installation instructions. Verify fault levels, discrimination, cable capacity and protection settings before energising.
Applications
  • Main switchboard protection
  • Sub-main circuit protection
  • Industrial and commercial power distribution
  • Three-phase building services
  • Motor and equipment feeder protection where the electronic trip settings are suitable
  • High prospective-fault-current installations requiring up to 100kA interruption capacity
Standards & Compliance
  • AS/NZS 60947.2 is the applicable Australian/New Zealand circuit-breaker standard for MCCBs outside the scope of AS/NZS 60898.2; confirm product certification and local regulatory requirements before installation
  • Electrical installation and switchboard integration should comply with AS/NZS 3000 and applicable assembly requirements
Environmental Benefits
  • Resettable circuit protection reduces reliance on disposable replacement fuses
  • Durable moulded-case construction supports extended service life and reduces replacement waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT's general policy for other low-voltage apparatus provides a 27-month warranty from the date of manufacture when products are purchased through authorised sales channels, subject to the applicable sales contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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