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MCCB 3P 350A 150kA Magnetic Only 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269516
$4,003.40 List price: $5,337.90
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Chint NM8N 350A 3P MCCB features 150kA 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, Magnetic-Only MCCB, Motor Protection MCCB, NM8N-400R-M-350-3

Technical Specifications
  • Frame Size: 400A
  • Rated Current: 350A
  • Poles: 3P
  • Trip Unit: Magnetic-only electromagnetic release
  • Ultimate Breaking Capacity: 150kA at 380/400/415V AC; 100kA at 440V AC
  • Service Breaking Capacity: 150kA at 380/400/415V AC; 100kA at 440V AC
  • Rated Operational Voltage: 380/400/415V, 440V, 500V and 660/690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Rated Frequency: 50/60Hz
  • Utilisation Category: A
  • Installation: Fixed mounting with front connection
  • Standard Product Specification: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • High 150kA short-circuit breaking capacity at up to 415V AC
  • Magnetic-only trip unit for short-circuit protection in motor applications
  • 400A frame accommodates a 350A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for fixed mounting and front cable connection
  • Can be installed vertically or horizontally with top or bottom line entry
  • Suitable for switchboard, distribution and industrial applications
Professional Installation Requirements
  • Installation, selection and commissioning must be carried out by a licensed electrician or suitably qualified electrical contractor. Verify fault levels, discrimination, cable ratings, motor overload protection, enclosure clearances and local RCM requirements before energisation.
Applications
  • Switchboard mains and submain protection
  • Three-phase industrial distribution boards
  • Motor circuit short-circuit protection with separate overload protection where required
  • Commercial and industrial low-voltage power distribution
  • High-fault-level electrical installations
Standards & Compliance
  • Applicable Australian and New Zealand standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers. The product is specified to IEC/EN 60947-2; confirm local certification, RCM marking and installation acceptance before use in Australia.
Environmental Benefits
  • Long service life and high mechanical endurance can reduce replacement frequency and associated waste
  • Metallic and thermoplastic construction materials can be separated for recycling at end of service life where suitable recycling facilities are available
  • High interrupting performance supports reliable protection of electrical systems and may help reduce damage-related equipment replacement
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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