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MCCB 3P 500A 70kA Thermal Magnetic 800A Frame NM8N Chint

BRAND: CABAC
SKU: 272938
$4,962.90 List price: $6,617.20
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 500A 3P MCCB features 70kA 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, Main Switch Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Rated Current: 500 A
  • Number of Poles: 3P
  • Frame Size: 800 A
  • Breaking Capacity: 70 kA
  • Trip Unit: Thermal-magnetic
  • Thermal Adjustment: 0.7–1.0 × In
  • Magnetic Adjustment: 7–12 × In
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1,000 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Installation: Fixed mounting with front or rear connection options
  • Operating Temperature: -40°C to +70°C
  • Reference Standard: IEC 60947-2
  • Dimensions (H x L x W): 300mm x 133mm x 195mm
  • Weight: 13 kg
Key Features
  • 70kA short-circuit breaking capacity
  • Three-pole protection for three-phase electrical systems
  • Thermal-magnetic trip unit for overload and short-circuit protection
  • 800A frame accommodates a 500A rated current
  • Adjustable thermal and magnetic protection settings
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed vertically or horizontally
  • Compatible with a range of optional CHINT accessories
Professional Installation Requirements
  • Installation, commissioning and adjustment must be performed by a licensed electrician in accordance with applicable wiring rules, manufacturer instructions and the designed fault-current protection requirements.
Applications
  • Switchboard main incoming protection
  • Sub-main circuit protection
  • Commercial and industrial power distribution
  • Three-phase distribution boards
  • Industrial plant and machinery supply protection
  • High fault-level electrical installations
Standards & Compliance
  • AS/NZS IEC 60947.2 – applicable standard for low-voltage circuit-breakers
  • AS/NZS 3000 – electrical installation and wiring requirements
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Provides selective electrical fault protection that can help limit damage to downstream equipment
  • Metallic and thermoplastic components may be recoverable through appropriate electrical equipment recycling processes at end of life
Warranty Information

CHINT warranty policy generally covers other low-voltage apparatus for 27 months from the date of manufacture when purchased through authorised sales channels; Australian warranty conditions should be confirmed with the supplying distributor.

Available Now

Available through authorised CHINT distributors in Australia.

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