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MCCB 3P 180A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271143
$575.70 List price: $767.60
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Chint NM8N 180A 3P MCCB features 36kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250C TM 180A 3P MCCB, moulded case circuit breaker, thermal-magnetic circuit breaker

Technical Specifications
  • Rated Current: 180 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Trip Unit: Thermal-magnetic, TM
  • Ultimate Breaking Capacity: 36 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415 V AC
  • Maximum Operational Voltage: 690 V AC
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Thermal Adjustment Range: 0.7–1.0 x In
  • Magnetic Adjustment Range: 7–12 x In
  • Utilisation Category: A
  • Connection: Fixed, front connection
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V AC
  • Dimensions (H x L x W): 157mm x 105mm x 88.7mm
  • Weight: 1.85 kg
Key Features
  • Three-pole protection for low-voltage distribution systems
  • 36kA short-circuit breaking capacity at 380–415V AC
  • Thermal-magnetic overload and short-circuit protection
  • 250A frame accommodates a 180A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Supports vertical or horizontal installation
  • Top or bottom line connection capability
  • Maintenance-free design for reduced servicing requirements
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician or suitably qualified electrical contractor in accordance with AS/NZS 3000, applicable local requirements and the manufacturer's instructions.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Commercial building distribution boards
  • Industrial power distribution
  • Data centre and infrastructure electrical systems
  • Motor and equipment feeder protection where correctly coordinated
Standards & Compliance
  • Applicable low-voltage circuit-breaker standard: AS/NZS IEC 60947.2
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Metal terminals and conductive components can be recovered for recycling at end of product life
  • Maintenance-free construction reduces servicing materials and consumable waste
Warranty Information

CHINT warranty coverage for other low-voltage apparatus is 27 months from the date of manufacture when 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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