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MCCB 3P 160A 70kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271196
$926.40 List price: $1,235.20
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Chint NM8N 160A 3P MCCB features 70kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Thermal Magnetic MCCB, 160A 3-Phase Circuit Breaker, NM8N-250Q TM

Technical Specifications
  • Breaker Type: Moulded case circuit breaker
  • Trip Unit: Thermal magnetic, adjustable
  • Rated Current: 160A
  • Frame Size: 250A frame
  • Number of Poles: 3P
  • Breaking Capacity: 70kA Icu and 70kA Ics at 380/400/415V AC
  • Rated Operational Voltage: 380/400/415V AC
  • Maximum Operational Voltage: 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Thermal Adjustment Range: 112–160A
  • Magnetic Adjustment Range: 1120–1920A
  • Utilisation Category: Category B
  • Mounting: Fixed type
  • Terminal Tightening Torque: 11Nm for M8 terminals
  • Dimensions (H x L x W): 157mm x 105mm x 88.7mm
  • Weight: 0.9 kg
Key Features
  • High 70kA short-circuit breaking capacity
  • Adjustable thermal and magnetic protection settings
  • Three-pole configuration for three-phase distribution systems
  • 250A frame accommodates the 160A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Compatible with optional auxiliary and shunt or undervoltage release accessories
  • Suitable for isolation when installed in accordance with the manufacturer's requirements
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, switchboard requirements and the manufacturer's instructions. Verify prospective fault current, conductor sizing, discrimination and protection settings before energisation.
Applications
  • Switchboard mains protection
  • Sub-mains and feeder protection
  • Three-phase commercial electrical distribution
  • Industrial power distribution panels
  • Protection of cables and downstream electrical equipment against overload and short circuit
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • CHINT NM8N series is type-tested and certified to IEC/EN 60947-2; Australian installation suitability and any required AS/NZS 3820 obligations must be confirmed for the specific application
Environmental Benefits
  • Durable moulded-case construction can extend service life and reduce replacement waste
  • Metal components can be recovered for recycling at end of product life
  • Supports effective electrical protection, helping reduce damage and premature replacement of downstream equipment
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels, subject to contract terms.

Available Now

Available through authorised CHINT distributors in Australia.

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