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MCCB 3P 400A 70kA Magnetic Only 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269509
$3,110.10 List price: $4,146.80
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Chint NM8N 400A 3P MCCB features 70kA breaking capacity, magnetic-only trip unit for motor protection and a 400A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 400A MCCB, 3-Pole Magnetic MCCB, Motor Protection MCCB, 400A Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 400A
  • Rated Current: 400A
  • Number of Poles: 3P
  • Trip Unit: Magnetic-only electromagnetic release
  • Breaking Capacity: 70kA at applicable AC voltage ratings
  • Rated Voltage: Up to 690V AC
  • Insulation Voltage: 1000V AC
  • Utilisation Category: A
  • Mechanical Endurance: Up to 15,000 operations
  • Electrical Endurance: Up to 1,500 operations
  • Installation: Fixed mounting with front or rear connection options
  • Standard Series Compliance: IEC/EN 60947-2
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5 kg
Key Features
  • High 70kA short-circuit breaking capacity
  • Magnetic-only trip unit suited to motor circuit applications when used with separate overload protection
  • 400A frame with a 400A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for low-voltage switchboards, motor feeders and industrial distribution equipment
  • Can be installed vertically or horizontally
  • Compatible with selected CHINT NM8N accessories and connection arrangements
  • Compact thermoset moulded-case construction
Professional Installation Requirements
  • Installation, selection of magnetic trip settings and commissioning must be performed by a licensed electrician. Magnetic-only protection does not provide overload protection, so a suitably coordinated motor overload relay or other overload protective device may be required. Install and verify the complete assembly in accordance with applicable electrical regulations, manufacturer instructions and AS/NZS 3000.
Applications
  • Switchboard mains and sub-main protection
  • Motor feeder protection with separate overload protection
  • Industrial power distribution
  • Commercial building electrical distribution
  • Generator and equipment incomer protection
  • Data centre and plant-room distribution boards
Standards & Compliance
  • IEC/EN 60947-2 is the declared product standard for the NM8N circuit breaker range
  • AS 60947.2 applies to low-voltage circuit-breakers in Australia; product certification and local acceptance should be verified for the intended installation
  • AS/NZS 3000 applies to the electrical installation, wiring, protection and switchboard integration
Environmental Benefits
  • RoHS documentation is available for the NM8N product range, supporting restriction of hazardous substances
  • Metallic components and conductors can be recovered for recycling at end of service life
  • Durable moulded-case construction and high operating endurance can reduce replacement frequency and material waste
Warranty Information

CHINT warranty terms apply through the authorised sales channel. Confirm the applicable warranty period and conditions with the Australian distributor at purchase.

Available Now

Available through authorised CHINT distributors in Australia.

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