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MCCB 3P 180A 150kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271245
$1,389.60 List price: $1,852.80
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Chint NM8N 180A 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 250R MCCB, 3-Pole Moulded Case Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 180 A
  • Frame Size: 250 A
  • Poles: 3P
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity Icu: 150 kA at AC 380–415 V
  • Service Breaking Capacity Ics: 150 kA at AC 380–415 V
  • Rated Operational Voltage: AC 380/400/415 V, 440 V, 500 V and 660/690 V
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Rated Frequency: 50/60 Hz
  • Utilisation Category: A
  • Isolation: Suitable for isolation
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • High 150kA short-circuit breaking capacity at AC 380–415V
  • Thermal-magnetic overload and short-circuit protection
  • 250A frame accommodates ratings from 125A to 250A
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains and sub-mains protection
  • Suitable for isolation
  • Designed for commercial, industrial and building-services power distribution
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and the requirements of the completed switchboard assembly. Verify prospective fault current, conductor ratings, discrimination and enclosure clearances before energising.
Applications
  • Main switchboard incomer protection
  • Sub-main circuit protection
  • Commercial and industrial distribution boards
  • Three-phase HVAC and mechanical-services equipment
  • Building-services power distribution
  • Overload and short-circuit protection for high-fault-level installations
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 Wiring Rules
  • Switchboard integration should comply with the applicable AS/NZS 61439 requirements
Environmental Benefits
  • Thermal-magnetic protection can limit damage to downstream equipment and reduce premature component replacement
  • Long mechanical and electrical service life helps reduce maintenance-related waste
  • Moulded polymer housing and metallic conductive components can be separated for responsible end-of-life recycling where local facilities accept them
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels; contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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