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MCCB 3P 315A 70kA Magnetic Only 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269507
$3,110.10 List price: $4,146.80
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Chint NM8N 315A 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-400Q M 315A 3P MCCB, Motor Protection MCCB, Magnetic-Only Moulded Case Circuit Breaker

Technical Specifications
  • Rated Current: 315 A
  • Frame Size: 400 A
  • Number of Poles: 3P
  • Trip Unit: Magnetic-only release for motor protection
  • Breaking Capacity: 70 kA at 380–440 V AC
  • Rated Operational Voltage: 380–415 V AC
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Ingress Protection: IP40
  • Pollution Degree: 3
  • Installation: Vertical or horizontal mounting; top or bottom line entry
  • Product Reference: NM8N-400Q M 315 3P
  • Dimensions (H x L x W): 255mm x 213mm x 140mm
  • Weight: 5.25 kg
Key Features
  • High 70 kA short-circuit breaking capacity
  • Magnetic-only trip unit designed for motor circuit short-circuit protection
  • 400 A frame with a 315 A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for industrial power distribution and switchboard applications
  • Supports front, rear and plug-in connection accessories within the NM8N range
  • Magnetic-only protection should be coordinated with a separate overload relay for motor applications
Professional Installation Requirements
  • Installation and commissioning must be performed by a licensed electrician in accordance with applicable electrical regulations, switchboard requirements and the manufacturer's instructions. Magnetic-only motor protection must be coordinated with a suitable overload protection device.
Applications
  • Motor feeder short-circuit protection
  • Industrial switchboards and distribution boards
  • Three-phase commercial and industrial power distribution
  • Large motor control and starter assemblies
  • High-fault-level mains or sub-mains protection where separate overload protection is provided
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable standard for low-voltage circuit-breakers
  • AS/NZS 3000 — electrical installation and wiring requirements applicable to the installation
Environmental Benefits
  • Long service life can reduce replacement frequency and associated material waste
  • Metal components can be recovered for recycling at end of service life
  • CHINT NM8N product-family documentation includes RoHS declarations for restricted substances
  • Efficient fault isolation helps limit damage to downstream electrical equipment
Warranty Information

CHINT's general policy provides a 27-month warranty from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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