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MCCB 4P 400A 150kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269232
$3,639.50 List price: $4,852.60
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Chint NM8N 400A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 400A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, 4-Pole Main Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 400 A
  • Number of Poles: 4P
  • Frame Size: 400 A
  • Trip Unit: Adjustable thermal-magnetic
  • Breaking Capacity: 150 kA at 380/415 V AC
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1,000 V AC
  • Thermal Setting Range: 0.7–1.0 x In
  • Magnetic Setting Range: 5–10 x In
  • Neutral Protection: Protected neutral pole configuration
  • Standard: IEC/EN 60947-2
  • Ingress Protection: IP40
  • Electrical Endurance: Up to 4,000 operating cycles
  • Mechanical Endurance: Up to 15,000 operating cycles
  • Mounting: Fixed mounting on a panel or compatible mounting system
  • Dimensions (H x L x W): 255mm x 113mm x 185mm
  • Weight: 6.63 kg
Key Features
  • 150kA high short-circuit breaking capacity at 380/415V AC
  • Four-pole construction for three-phase and neutral switching
  • Adjustable thermal overload and magnetic short-circuit protection
  • Protected neutral configuration for enhanced four-wire system protection
  • Suitable for main incomer and feeder protection in switchboards
  • Optional accessories include auxiliary contacts, shunt trip, undervoltage release, motor operator and locking devices
Professional Installation Requirements
  • Installation, testing and commissioning must be completed by a licensed electrical contractor in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable electrical authority rules. Verify prospective fault current, discrimination, cable ratings and thermal performance before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial power distribution
  • Main incomer and feeder protection
  • Three-phase four-wire distribution systems
  • Power centres, motor control centres and industrial switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers
Environmental Benefits
  • Durable moulded-case construction can provide a long service life and reduce replacement waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams at end of life
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 supplied through authorised sales channels. Contractual warranty terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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