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MCCB 3P 400A 36kA Thermal Magnetic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269236
$2,582.50 List price: $3,443.40
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Chint NM8N 400A 3P MCCB features 36kA breaking capacity, thermal-magnetic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

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

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N
  • Frame Size: 630A
  • Rated Current: 400A at 40°C
  • Number of Poles: 3P
  • Release Type: TM thermal-magnetic
  • Breaking Capacity: 36kA
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Frequency: 50/60Hz
  • Ingress Protection: IP40
  • Thermal Overload Adjustment: 280–400A
  • Instantaneous Magnetic Trip Adjustment: 2000–4000A
  • Mechanical Endurance: 15,000 operations
  • Electrical Endurance: Up to 4,000 operations
  • Dimensions (H x L x W): 255mm x 140mm x 113mm
  • Weight: 5.5 kg
Key Features
  • 400A rated current within a 630A frame
  • Thermal-magnetic protection against overload and short circuit
  • 36kA ultimate short-circuit breaking capacity
  • Three-pole configuration for three-phase power distribution
  • Adjustable overload and instantaneous magnetic trip settings
  • Suitable for switchboard mains and sub-main protection
  • Can be installed with line or load connections at the top or bottom
  • Designed for commercial, industrial and infrastructure power distribution
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring, switchboard and equipment requirements. Confirm fault levels, discrimination, cable ratings, clearances and enclosure suitability before installation.
Applications
  • Main incoming protection in electrical switchboards
  • Sub-main and feeder protection
  • Commercial and industrial power distribution
  • Three-phase building services
  • Motor and equipment short-circuit and overload protection where the trip characteristics are suitable
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers; confirm local certification, RCM status and installation compliance for the supplied unit.
  • Manufacturer specification references IEC/EN 60947-2.
Environmental Benefits
  • Provides durable circuit protection that can help reduce damage to electrical equipment and extend service life.
  • The metallic components can be recovered for recycling at end of life through appropriate electrical equipment recycling channels.
  • Resettable protection avoids routine replacement of single-use fuses for overload and short-circuit events.
Warranty Information

CHINT general warranty information states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable sales contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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