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

BRAND: CABAC
SKU: 268960
$2,845.40 List price: $3,793.90
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Chint NM8N 315A 3P MCCB features 70kA breaking capacity, thermal-magnetic trip unit and a 400A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 315A MCCB, 315A Thermal-Magnetic Circuit Breaker, 400A Frame MCCB, 70kA Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N
  • Frame Size: 400A
  • Rated Current: 315A
  • Poles: 3P
  • Release Type: Thermal-magnetic, TM
  • Breaking Capacity: 70kA, Q code
  • Rated Operational Voltage: Up to 690V AC
  • Rated Frequency: 50/60Hz
  • Installation: Vertical or horizontal mounting with top or bottom line entry
  • Operating Temperature: -40°C to +70°C, subject to derating and temperature compensation
  • Maximum Installation Altitude: 2,000m
  • Applicable Product Standards: IEC 60947-1, IEC 60947-2, IEC 60947-3 and IEC 60947-4-1
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5.2 kg
Key Features
  • High 70kA short-circuit breaking capacity
  • Thermal-magnetic overload and short-circuit protection
  • 315A adjustable current rating within a 400A frame platform
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains, sub-mains and industrial power distribution
  • Supports vertical or horizontal installation
  • Can be used for circuit isolation when correctly installed and rated
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable electrical regulations. Confirm fault level, discrimination, cable capacity, terminal suitability and RCM requirements before installation.
Applications
  • Main switchboard protection
  • Sub-main and feeder protection
  • Commercial building electrical distribution
  • Industrial power distribution systems
  • Data centre and infrastructure switchboards
  • Protection of electrical equipment against overload and short circuit
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers of this type
  • Installation and selection should comply with AS/NZS 3000
  • Switchboard assemblies incorporating the breaker should be designed and verified to AS/NZS 61439 where applicable
Environmental Benefits
  • Durable moulded-case construction can extend service life and reduce replacement waste
  • Overload and short-circuit protection helps prevent damage to connected electrical equipment
  • Metallic electrical components can generally be recovered through appropriate recycling streams at end of life
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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