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MCCB 3P 200A 150kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271246
$1,389.60 List price: $1,852.80
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Chint NM8N 200A 3P MCCB features 150kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 3-Pole Moulded Case Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Product Series: NM8N-250R
  • Device Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Rated Current: 200A at 40°C
  • Frame Size: 250A
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity Icu: 150kA at AC 380/400/415V
  • Service Breaking Capacity Ics: 100kA at AC 380/400/415V
  • Rated Operational Voltage Ue: Up to 690V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Thermal Adjustment Range: 0.7–1.0 x In
  • Magnetic Trip Range: 5–10 x In for power distribution protection
  • Utilisation Category: A
  • Standard Product Compliance: IEC/EN 60947-2
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at AC 415V and rated current
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 150kA high breaking capacity for high prospective fault-current applications
  • Thermal-magnetic protection against overload and short circuit
  • 250A frame accommodates a 200A rated current configuration
  • Three-pole construction for three-phase distribution systems
  • Suitable for switchboard mains, sub-mains and industrial distribution protection
  • Supports isolation when installed in accordance with the manufacturer’s instructions
  • Adjustable thermal and magnetic protection settings
  • Compatible with optional MCCB accessories including auxiliary and alarm contacts, where specified
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer’s instructions and the switchboard design. Verify prospective fault current, discrimination, cable capacity, terminal torque and enclosure clearances before energising.
Applications
  • Main switchboard protection
  • Sub-main circuit protection
  • Commercial and industrial power distribution
  • High fault-level electrical distribution systems
  • Motor and equipment feeder protection where the selected trip characteristics are suitable
  • Data centre and infrastructure switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation in Australia must comply with AS/NZS 3000:2018 and applicable state or territory electrical requirements
Environmental Benefits
  • RoHS declaration is available for the NM8N product range, supporting restriction of hazardous substances in manufacture
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Copper, aluminium and steel components can be recovered through appropriate electrical equipment recycling at end of life
  • Accurate overload and short-circuit protection can help prevent damage to downstream equipment and reduce premature replacement
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when purchased through authorised sales channels, subject to the applicable contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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