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MCCB 3P 700A 70kA Thermal Magnetic 800A Frame NM8N Chint

BRAND: CABAC
SKU: 272940
$4,962.90 List price: $6,617.20
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 700A 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, 700A 3-Phase Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Circuit Breaker Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Rated Current: 700 A
  • Frame Size: 800 A
  • Breaking Capacity: 70 kA
  • Trip Unit: Adjustable thermal-magnetic release
  • Overload Trip Setting: 490–700 A
  • Rated Insulation Voltage: 1,000 V
  • Rated Operational Voltage: 380/415 V AC
  • Ingress Protection: IP40
  • Mechanical Endurance: 10,000 operating cycles
  • Installation: Fixed mounting with front connection
  • Dimensions (H x L x W): 300mm x 133mm x 195mm
  • Weight: 13 kg
Key Features
  • Three-pole protection for three-phase distribution systems
  • 70 kA short-circuit breaking capacity
  • Adjustable thermal-magnetic overload and short-circuit protection
  • 800 A frame accommodates rated currents from 500 A to 800 A
  • Suitable for switchboard mains, sub-mains and industrial distribution circuits
  • Designed for vertical or horizontal installation with top or bottom line entry
  • Provides circuit isolation and protection against overloads and short circuits
Professional Installation Requirements
  • Installation, commissioning and testing must be carried out by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and the requirements of the completed switchboard assembly. Confirm fault levels, cable ratings, discrimination and local electrical compliance before energising.
Applications
  • Main switchboard incomer protection
  • Sub-main circuit protection
  • Industrial power distribution
  • Commercial electrical distribution boards
  • Large motor and plant supply protection
  • 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 of this type
  • AS/NZS 3000:2018 applies to selection and installation within Australian electrical installations
  • Switchboard assemblies incorporating the MCCB may also require assessment to AS/NZS 61439
Environmental Benefits
  • Long mechanical service life can reduce replacement frequency and associated waste
  • Durable moulded-case construction supports extended equipment service life
  • RoHS documentation is available for the NM8N product range, supporting restricted-substance compliance requirements
Warranty Information

CHINT warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and warranty exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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