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MCCB 3P 80A 150kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271878
$1,389.60 List price: $1,852.80
+ −
Chint NM8N 80A 3P MCCB features 150kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-125R M 80A 3P MCCB, Magnetic Motor Protection Circuit Breaker, Moulded Case Circuit Breaker

Technical Specifications
  • Product Series: NM8N
  • Model: NM8N-125R M 80 3P
  • Device Type: Moulded-case circuit breaker
  • Number of Poles: 3P
  • Rated Current: 80 A
  • Frame Rating: 125 A
  • Trip Unit: Magnetic-only electromagnetic release
  • Breaking Capacity: 150 kA at 380/400/415 V AC; 100 kA at 440 V AC
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Short-Circuit Trip Setting: Fixed at approximately 10 × In
  • Utilisation Category: A
  • Mounting: Fixed installation
  • Terminal Torque: 6 Nm for M6 terminals
  • Mechanical Life: 15,000 operating cycles
  • Electrical Life: Up to 8,000 operating cycles at rated current and 400/415 V AC
  • Protection Function: Short-circuit and instantaneous magnetic protection
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.85 kg
Key Features
  • 150 kA high short-circuit breaking capacity at 380/400/415 V AC
  • Magnetic-only trip unit intended for motor protection applications
  • 125 A frame with an 80 A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for isolation and fixed mounting
  • Maintenance-free construction with zero arcing distance
  • Compatible with CHINT NM8N auxiliary, shunt-release, undervoltage and motor-operated accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000 and the manufacturer's instructions. A magnetic-only MCCB does not provide thermal overload protection, so suitable motor overload protection may be required for the application.
Applications
  • Three-phase motor circuit short-circuit protection
  • Industrial switchboards and distribution boards
  • Switchboard mains and feeder protection where high fault levels are present
  • Commercial and industrial electrical distribution systems
  • Motor control circuits used with separate overload protection
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • AS/NZS 3000:2018 for electrical installation, selection and connection requirements
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Maintenance-free construction helps reduce servicing materials and replacement components
  • Durable reusable equipment suitable for integration into long-life electrical installations
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.