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MCCB 4P 80A 150kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271728
$1,455.80 List price: $1,941.00
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Chint NM8N 80A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, 4P Main Circuit Breaker, NM8N-125R MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 125A
  • Rated Current: 80A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Neutral Configuration: Protected neutral
  • Ultimate Short-Circuit Breaking Capacity Icu: 150kA at 380/400/415V AC
  • Service Short-Circuit Breaking Capacity Ics: 150kA at 380/400/415V AC
  • Rated Operational Voltage: 380/400/415V AC, with ratings available up to 690V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Frequency: 50/60Hz
  • Thermal Trip Adjustment: 0.7, 0.8, 0.9 or 1.0 times In
  • Instantaneous Magnetic Trip: 10 times In
  • Mounting: Fixed or plug-in configuration
  • Terminal Tightening Torque: 6Nm for M6 terminals
  • Dimensions (H x L x W): 140mm x 78.5mm x 120mm
  • Weight: 1.55 kg
Key Features
  • 150kA short-circuit breaking capacity at 380/400/415V AC
  • Thermal-magnetic protection for overload and short-circuit faults
  • Four-pole construction for three-phase systems with neutral switching
  • 125A frame with an 80A rated current
  • Suitable for switchboard mains and high-fault-level distribution applications
  • Suitable for isolation
  • Top or bottom line entry and vertical or horizontal installation options
  • Optional auxiliary, alarm, shunt-release and undervoltage-release accessories
Professional Installation Requirements
  • Installation, adjustment and commissioning should be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and the requirements of the intended switchboard. Confirm prospective fault current, discrimination, cabling and local approval requirements before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase distribution systems requiring neutral isolation and protection
  • High prospective fault-current installations
  • Overload and short-circuit protection for feeders and submains
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers, subject to confirmation of the applicable current edition and Australian product approval requirements
  • AS/NZS 3000 Wiring Rules apply to the installation and surrounding electrical work
Environmental Benefits
  • Durable moulded-case construction can support a long service life and reduce replacement waste
  • Metal electrical components can be recovered for recycling at end of life
  • Resettable overcurrent protection avoids routine fuse replacement and associated consumable waste
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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