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MCCB 3P 160A 100kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271404
$1,919.00 List price: $2,558.70
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Chint NM8N 160A 3P MCCB features 100kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 160A MCCB, 160A 3P moulded case circuit breaker, electronic MCCB, 250A frame circuit breaker

Technical Specifications
  • Rated Current: 160A
  • Frame Size: 250A
  • Number of Poles: 3P
  • Breaking Capacity: 100kA at 380/400/415V AC
  • Trip Unit: EM standard electronic release
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Protection Functions: Long-time overload, short-time short circuit, instantaneous short circuit and earth fault
  • Long-Time Current Setting: 0.4–1.0 × In, adjustable
  • Short-Time Current Setting: 4–12 × In, adjustable
  • Installation: Fixed mounting with front or rear connection
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • High 100kA short-circuit breaking capacity for demanding low-voltage distribution systems
  • Standard electronic EM trip unit with adjustable protection parameters
  • Four-stage LSIG protection including earth-fault protection
  • Suitable for 160A protection on a 250A frame
  • Three-pole configuration for three-phase distribution circuits
  • Suitable for switchboard mains and sub-mains protection
  • Designed for AC systems up to 690V
  • Maintenance-free mechanical design
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm fault levels, discrimination, cable capacity, mounting clearances and required Australian approvals before energising.
Applications
  • Switchboard mains protection
  • Sub-main protection in commercial and industrial installations
  • Low-voltage three-phase distribution boards
  • Industrial power distribution systems
  • Protection of feeders, bus sections and large electrical loads
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 – applicable standard for low-voltage circuit-breakers; verify product marking, RCM requirements and installation approval documentation for the specific Australian application.
  • AS/NZS 3000 – electrical installations and wiring rules applicable to installation and connection work
Environmental Benefits
  • Electronic protection enables accurate current settings and may help reduce nuisance tripping and unnecessary equipment replacement.
  • Durable moulded-case construction supports extended service life and reduced replacement waste.
  • CHINT NM8N documentation includes a RoHS declaration for the series, supporting restricted-substance compliance.
  • Designed for integration into efficient, correctly coordinated low-voltage distribution systems.
Warranty Information

CHINT's general warranty policy covers other low-voltage apparatus for 27 months from the date of manufacture when sold through authorised channels, subject to the applicable sales contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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