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

BRAND: CABAC
SKU: 272926
$4,168.80 List price: $5,558.40
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Chint NM8N 500A 3P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 800A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, NM8N-800S TM 500A 3P

Technical Specifications
  • Product Series: NM8N-800S
  • Rated Current: 500A
  • Frame Size: 800A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic, adjustable
  • Overload Trip Adjustment: 350–500A
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1,000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Ultimate Breaking Capacity Icu: 50kA at 380/400/415V AC
  • Service Breaking Capacity Ics: 50kA at 380/400/415V AC
  • Utilisation Category: Category A
  • Installation: Vertical or horizontal mounting; top or bottom line entry
  • Ingress Protection: IP40 with terminal covers
  • Mechanical Durability: Up to 10,000 operating cycles
  • Product Standard: IEC 60947-2
  • Dimensions (H x L x W): 300mm x 133mm x 195mm
  • Weight: 10.12 kg
Key Features
  • 500A rated current in an 800A frame
  • Three-pole configuration for three-phase distribution systems
  • 50kA short-circuit breaking capacity at 380/400/415V AC
  • Thermal-magnetic protection for overload and short-circuit conditions
  • Adjustable overload trip range from 350A to 500A
  • Suitable for main switchboard and sub-main protection
  • Compatible with optional auxiliary, shunt-trip, undervoltage, motor operator and terminal accessories
  • Can be installed vertically or horizontally
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the requirements of the switchboard assembly. Confirm prospective fault current, cable ratings, discrimination and enclosure clearances before energising.
Applications
  • Main switchboard incomer protection
  • Sub-main distribution protection
  • Commercial and industrial switchboards
  • Power distribution centres
  • Motor control and industrial distribution equipment
  • Data centre and infrastructure power distribution
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand product standard for low-voltage circuit-breakers; verify the specific installation's RCM, certification and switchboard requirements before use.
  • AS/NZS 3000:2018 applies to electrical installation selection, connection and protection requirements.
Environmental Benefits
  • Long service life and high mechanical durability can reduce replacement frequency and associated waste.
  • Metallic and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams at end of life.
  • RoHS compliance is declared for the NM8N product range, helping restrict certain hazardous substances in electrical equipment.
Warranty Information

CHINT's published general policy provides a 27-month warranty from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and warranty exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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