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MCCB 4P 160A 36kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271379
$1,786.60 List price: $2,382.20
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Chint NM8N 160A 4P MCCB features 36kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 4P Electronic MCCB, Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 160A
  • Number of Poles: 4P
  • Trip Unit: Standard electronic trip unit
  • Neutral Protection: Protected neutral
  • Rated Ultimate Short-Circuit Breaking Capacity: 36kA at 380–440V AC
  • Rated Service Short-Circuit Breaking Capacity: 36kA at 380–440V AC
  • Rated Operational Voltage: 380/400/415V AC, 440V AC, 500V AC and 660/690V AC
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Rated Frequency: 50/60Hz
  • Utilisation Category: A
  • Mounting: Fixed or DIN rail compatible
  • Connection: Front or rear connection options
  • Adjustable Long-Time Current Setting: 0.7–1.0 × In
  • Instantaneous Trip Setting: 7–12 × In for 125–160A electronic configurations
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at 415V AC and rated current
  • Reference Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • 160A current rating in a compact 250A frame
  • Four-pole construction for three-phase and neutral switching
  • Electronic trip unit for adjustable overload and short-circuit protection
  • Protected neutral for enhanced four-pole distribution protection
  • 36kA short-circuit breaking capacity at common low-voltage system voltages
  • Suitable for isolation
  • Front and rear connection arrangements available
  • Suitable for switchboard incomer and mains protection applications
Professional Installation Requirements
  • Installation, adjustment and commissioning must be carried out by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and the switchboard manufacturer's requirements. Confirm fault levels, discrimination, cable capacity and protection settings before energisation.
Applications
  • Switchboard mains protection
  • Main incomer protection
  • Commercial and industrial distribution boards
  • Three-phase distribution systems with neutral protection
  • Submain and feeder protection
  • Low-voltage power distribution assemblies
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • AS/NZS 3000 Wiring Rules for installation in Australian electrical installations
Environmental Benefits
  • RoHS declarations are available for the NM8N product range, supporting restriction of hazardous substances in electrical equipment
  • Durable moulded-case construction and long mechanical service life can reduce replacement frequency and associated material waste
  • Copper and metal components can be recovered for recycling at end of service life
Warranty Information

CHINT's published warranty policy generally covers other low-voltage apparatus for 27 months from the date of manufacture when supplied through authorised sales channels. Australian warranty conditions may vary by contract and authorised distributor.

Available Now

Available through authorised CHINT distributors in Australia.

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