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MCCB 3P 500A 50kA Magnetic Only 800A Frame NM8N Chint

BRAND: CABAC
SKU: 273073
$6,544.40 List price: $8,725.90
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Chint NM8N 500A 3P MCCB features 50kA breaking capacity, magnetic-only trip unit for motor protection and a 800A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 500A Magnetic MCCB, 500A 3P Motor Protection Circuit Breaker, 800A Frame MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N
  • Frame Size: 800A frame
  • Rated Current: 500A
  • Poles: 3P
  • Trip Unit: Magnetic-only electromagnetic release
  • Ultimate Breaking Capacity: 50kA
  • Service Breaking Capacity: 50kA at typical 380–415V AC operating voltages
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Rated Frequency: 50/60Hz
  • Utilisation Category: Category A
  • Ingress Protection: IP40 with terminal covers
  • Installation: Vertical or horizontal mounting with top or bottom line entry
  • Dimensions (H x L x W): 300mm x 195mm x 133mm
  • Weight: 10.45 kg
Key Features
  • Magnetic-only trip unit designed for motor circuit short-circuit protection
  • 500A rated current in an 800A frame
  • 50kA short-circuit breaking capacity
  • Three-pole configuration for three-phase systems
  • Suitable for AC systems up to 690V
  • Compatible with optional MCCB accessories including auxiliary contacts, shunt trip and undervoltage release
  • Supports front or rear connection accessories depending on configuration
  • Suitable for industrial switchboards, motor control centres and power distribution assemblies
Professional Installation Requirements
  • Installation, selection and commissioning must be carried out by a licensed electrician or suitably qualified electrical contractor. Magnetic-only protection does not provide overload protection, so the circuit must be designed with appropriate coordinated overload protection where required. Install and verify in accordance with AS/NZS 3000 and the manufacturer's instructions.
Applications
  • Three-phase motor feeders requiring magnetic short-circuit protection
  • Industrial switchboards and motor control centres
  • Power distribution assemblies
  • Switchboard incomer or feeder applications where separate overload protection is provided
  • Commercial and industrial electrical equipment protection
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Electrical installation requirements: AS/NZS 3000:2018 Wiring Rules
Environmental Benefits
  • Moulded-case construction provides a long service life, reducing replacement frequency and material waste
  • Metallic electrical components can be recovered and recycled at end of life through appropriate electrical equipment recycling facilities
  • Designed for use in industrial power distribution systems where reliable protection can help limit equipment damage during fault conditions
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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