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MCCB 4P 160A 50kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271389
$2,051.30 List price: $2,735.10
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Chint NM8N 160A 4P MCCB features 50kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: NM8N-250S EM 4P 160A MCCB, 250A Frame MCCB, Electronic Moulded Case Circuit Breaker

Technical Specifications
  • Rated Current: 160 A
  • Frame Size: 250 A
  • Number of Poles: 4P
  • Breaking Capacity: 50 kA at AC 380/400/415 V
  • Trip Unit: Standard electronic type with liquid-crystal display
  • Neutral Protection: Protected neutral pole
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Rated Operational Voltage: AC 380/400/415 V, up to 690 V
  • Frequency: 50/60 Hz
  • Utilisation Category: A
  • Isolation Suitability: Suitable for isolation
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at AC 415 V and rated current
  • Manufacturing Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • Four-pole moulded case circuit breaker for three-phase systems with neutral switching
  • 250 A frame fitted with a 160 A standard electronic trip unit
  • 50 kA short-circuit breaking capacity at common low-voltage supply voltages
  • Electronic overload and short-circuit protection with adjustable protection settings
  • Protected neutral function for improved system protection
  • Suitable for main incomer and switchboard protection applications
  • Suitable for isolation and low-voltage power distribution systems
Professional Installation Requirements
  • Installation, selection of protection settings and commissioning should be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Main incoming protection for three-phase electrical systems
  • Protection of cables, busbars and downstream distribution equipment
  • Industrial buildings, commercial premises and data-centre power distribution
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 Wiring Rules
Environmental Benefits
  • CHINT NM8N product documentation includes a CE RoHS declaration for restricted hazardous substances
  • Durable moulded-case construction can support extended service life and reduce replacement waste
  • Copper, aluminium and steel components used in electrical switchgear are recyclable at end of service life
Warranty Information

CHINT's general warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus purchased through authorised sales channels, subject to applicable contract terms.

Available Now

Available through authorised CHINT distributors in Australia.

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