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MCCB 3P 350A 70kA Magnetic Only 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269508
$3,110.10 List price: $4,146.80
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 350A 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: Moulded Case Circuit Breaker, MCCB, Magnetic Motor Protection Circuit Breaker, 3-Phase MCCB

Technical Specifications
  • Rated Current: 350 A
  • Frame Size: 400 A
  • Number of Poles: 3P
  • Trip Unit: Magnetic-only release for motor protection
  • Breaking Capacity: 70 kA at AC 380/400/415 V
  • Rated Operational Voltage: 380/415 Vac
  • Maximum Operational Voltage: 690 Vac
  • Rated Insulation Voltage: 1000 Vac
  • Rated Impulse Withstand Voltage: 8 kV
  • Utilisation Category: A
  • Frequency: 50/60 Hz
  • Installation: Fixed mounting with front or rear connection options
  • Dimensions (H x L x W): 255mm x 140mm x 113mm
  • Weight: 5.24 kg
Key Features
  • Magnetic-only trip unit designed for motor protection applications
  • High 70 kA short-circuit breaking capacity
  • Compact 400 A frame with a 350 A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for switchboard mains, power distribution and motor control applications
  • Compatible with a range of auxiliary accessories and connection arrangements
Professional Installation Requirements
  • Installation, commissioning and trip-setting verification must be performed by a licensed electrician in accordance with applicable Australian wiring rules, switchboard requirements and the manufacturer's instructions. Confirm system fault levels, motor starting characteristics, discrimination and local conformity requirements before installation.
Applications
  • Switchboard mains protection
  • Motor control centres
  • Industrial motor protection
  • Three-phase power distribution
  • Commercial and industrial electrical switchboards
Standards & Compliance
  • IEC/EN 60947-2; Australian and New Zealand adoption: AS/NZS IEC 60947.2 for low-voltage circuit-breakers. Confirm product certification and RCM requirements for the intended Australian installation.
Environmental Benefits
  • Durable moulded-case construction can provide a long service life, reducing replacement frequency and associated waste
  • Metal components can be recovered for recycling at end of service life
  • Resettable circuit protection avoids routine replacement of single-use fuses
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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