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MCCB 3P 400A 36kA Magnetic Only 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269501
$2,448.40 List price: $3,264.50
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Chint NM8N 400A 3P MCCB features 36kA breaking capacity, magnetic-only trip unit for motor protection and a 400A frame. Ideal for switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Motor Protection MCCB, Magnetic-Only Circuit Breaker, NM8N-400C M 400 3P

Technical Specifications
  • Frame Size: 400A
  • Rated Current: 400A
  • Number of Poles: 3P
  • Breaking Capacity: 36kA at AC 400/415V
  • Trip Unit: Magnetic-only release for motor protection
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 12kV
  • Mechanical Durability: 15,000 switching cycles
  • Electrical Durability: 1,500 switching cycles
  • Installation: Fixed mounting with front or rear connection options
  • Dimensions (H x L x W): 255mm x 140mm x 113mm
  • Weight: 5 kg
Key Features
  • Magnetic-only trip unit suitable for motor circuit protection when used with a separate overload protection device
  • 400A frame and 400A rated current
  • 36kA short-circuit breaking capacity at AC 400/415V
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains and large motor feeder protection
  • Designed for vertical or horizontal installation
  • Supports top or bottom line connection
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the applicable switchboard design requirements. Magnetic-only protection does not provide thermal overload protection and should be coordinated with a suitable motor overload device where required.
Applications
  • Three-phase switchboard mains protection
  • Large motor feeder protection with separate overload protection
  • Industrial and commercial power distribution
  • Motor control centres and plant electrical systems
  • High-fault-level low-voltage distribution boards
Standards & Compliance
  • AS/NZS 60947.2 for low-voltage circuit-breakers
  • AS/NZS 3000 for installation within low-voltage electrical installations
Environmental Benefits
  • Long service life can reduce replacement frequency and associated material waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
  • Supports durable, repairable switchboard installations with replaceable accessories and coordinated protection
Warranty Information

CHINT warranty policy states that other low-voltage apparatus supplied through authorised sales channels is covered against defects in materials and workmanship for 27 months from the date of manufacture, subject to the applicable customer contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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