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MCCB 3P 180A 70kA Magnetic Only 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271435
$2,779.20 List price: $3,705.60
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Chint NM8N 180A 3P MCCB features 70kA breaking capacity, magnetic-only trip unit for motor protection and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 250Q M 180A 3P MCCB, magnetic-only moulded case circuit breaker, motor protection MCCB

Technical Specifications
  • Rated Current: 180 A
  • Frame Size: 250 A
  • Number of Poles: 3P
  • Trip Unit: Magnetic-only motor protection type M
  • Breaking Capacity: 70 kA, Q code
  • Rated Operational Voltage: 380/400/415 V AC, with ratings up to 690 V AC
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Rated Frequency: 50/60 Hz
  • Utilisation Category: A
  • Mounting: Fixed or plug-in installation
  • Standard Product Basis: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • Magnetic-only trip unit designed for motor circuit short-circuit protection
  • 250A frame accommodates the 180A current rating
  • 70kA rated ultimate short-circuit breaking capacity
  • Three-pole configuration for three-phase systems
  • Suitable for isolation when installed in accordance with the applicable installation requirements
  • Compact moulded-case construction with zero arcing distance
  • Compatible with CHINT NM8N accessories and connection systems
  • Requires coordinated overload protection where magnetic-only protection does not provide thermal overload protection
Professional Installation Requirements
  • Installation, selection, coordination and commissioning should be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the requirements for switchboard assemblies. Magnetic-only protection must be coordinated with the motor starter and overload protection system.
Applications
  • Three-phase motor circuit short-circuit protection
  • Industrial switchboards and motor control centres
  • Main or feeder protection where separate overload protection is provided
  • Commercial and industrial low-voltage distribution systems
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 and applicable switchboard assembly requirements
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Durable moulded-case construction supports extended service in commercial and industrial installations
  • Metallic components and electrical materials may be recoverable through appropriate equipment recycling streams at end of life
Warranty Information

CHINT warranty policy generally provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to applicable contract terms and conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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