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MCCB 3P 400A 150kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269493
$3,288.70 List price: $4,385.00
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Chint NM8N 400A 3P MCCB features 150kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 630 Frame MCCB, 400A Electronic MCCB, 3-Phase Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Frame Size: 630A
  • Rated Current: 400A
  • Trip Unit: Standard electronic type for power distribution
  • Ultimate Breaking Capacity Icu: 150kA at 380/400/415V AC
  • Service Breaking Capacity Ics: 150kA at 380/400/415V AC
  • Rated Operational Voltage: 380–415V AC
  • Maximum Rated Voltage: 690V AC
  • Rated Frequency: 50/60Hz
  • Insulation Voltage Ui: 1000V
  • Impulse Withstand Voltage Uimp: 12kV
  • Installation: Fixed surface mounting
  • Connection: Screw terminals
  • Ingress Protection: IP40
  • Mechanical Durability: Up to 15,000 operations
  • Electrical Durability: Up to 4,000 operations
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5.96 kg
Key Features
  • High 150kA short-circuit breaking capacity at 380–415V AC
  • Standard electronic trip unit for power distribution protection
  • 400A rated current within a 630A frame
  • Three-pole configuration for three-phase switchboards
  • Protection against overload and short-circuit conditions
  • Suitable for fixed mounting in switchboards and distribution assemblies
  • Compatible with optional auxiliary and alarm contacts
Professional Installation Requirements
  • Installation, testing and commissioning should be performed by a licensed electrical contractor in accordance with applicable Australian electrical installation requirements, manufacturer instructions and switchboard assembly requirements.
Applications
  • Main incomer protection in commercial and industrial switchboards
  • Sub-main circuit protection
  • High-fault-level power distribution systems
  • Industrial and commercial building electrical distribution
  • Data centre and infrastructure switchboards
  • Protection of feeders and downstream distribution equipment
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 – applicable standard for low-voltage circuit-breakers; confirm local certification and RCM requirements before installation.
Environmental Benefits
  • Electronic trip protection can improve discrimination and reduce unnecessary equipment replacement following overload events
  • Copper, aluminium and steel components can be recovered through appropriate electrical equipment recycling streams
  • Durable construction and high operating life can reduce replacement frequency and associated material waste
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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