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MCCB 3P 315A 100kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 268972
$3,176.30 List price: $4,235.00
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Chint NM8N 315A 3P MCCB features 100kA breaking capacity, thermal-magnetic trip unit and a 400A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Thermal-Magnetic MCCB, NM8N-400H TM 315 3P

Technical Specifications
  • Rated Current: 315 A
  • Frame Size: 400 A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic, TM
  • Breaking Capacity: 100 kA Icu and Ics at 380/400/415/440 V AC
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1,000 V
  • Rated Impulse Withstand Voltage: 12 kV
  • Frequency: 50/60 Hz
  • Protection Rating: IP40 with terminal covers
  • Utilisation Category: A
  • Operating Temperature: -40°C to +70°C
  • Installation: Fixed surface mounting
  • Applicable Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5.2 kg
Key Features
  • High 100kA short-circuit breaking capacity
  • Thermal-magnetic overload and short-circuit protection
  • Three-pole configuration for three-phase distribution systems
  • 400A frame with 315A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Supports fixed installation with front or rear connection options
  • Resettable protection reduces the need for fuse replacement
Professional Installation Requirements
  • Installation and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable switchboard requirements and the manufacturer's instructions. Verify fault levels, cable ratings, discrimination and local Australian compliance requirements before installation.
Applications
  • Main switchboard protection
  • Sub-main circuit protection
  • Industrial power distribution
  • Commercial electrical distribution boards
  • Three-phase feeder and incoming supply protection
  • Control panels and low-voltage switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers; confirm product-specific Australian certification and RCM requirements before installation
  • Installation should comply with AS/NZS 3000:2018 and applicable switchboard assembly requirements
Environmental Benefits
  • Resettable circuit protection reduces disposable fuse replacement and associated waste
  • Long mechanical and electrical service life can reduce replacement frequency
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling
  • Helps protect distribution equipment from overload and short-circuit damage, supporting longer system service life
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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