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MCCB 4P 315A 100kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269218
$3,440.90 List price: $4,587.90
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Chint NM8N 315A 4P MCCB features 100kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 400A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, NM8N-400H-TM-4P-315

Technical Specifications
  • Frame Size: 400A
  • Rated Current: 315A
  • Number of Poles: 4P
  • Breaking Capacity: 100kA at 380/400/415V AC
  • Trip Unit: Thermal-magnetic
  • Thermal Adjustment Range: 220.5–315A, equivalent to 0.7–1.0 x In
  • Magnetic Adjustment Range: 1575–3150A, equivalent to 5–10 x In
  • Rated Operational Voltage: 380/400/415V AC, with ratings available up to 690V AC
  • Rated Frequency: 50/60Hz
  • Neutral Protection: Protected neutral pole
  • Utilisation Category: A
  • Electrical Endurance: Up to 6,000 cycles at 415V and rated current
  • Mechanical Endurance: Up to 15,000 cycles
  • Connection: Fixed front or rear connection options
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 100kA short-circuit breaking capacity at 380/400/415V AC
  • Thermal-magnetic overcurrent protection
  • Four-pole configuration for three-phase and neutral switching
  • Protected neutral for enhanced switchboard protection
  • 400A frame accommodates adjustable protection up to the frame rating
  • Suitable for main incoming and high-current distribution protection
  • Fixed MCCB design for switchboard and panelboard installation
  • Compatible with optional CHINT NM8N accessories, subject to configuration
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrical contractor in accordance with the manufacturer’s instructions, AS/NZS 3000 and applicable switchboard requirements. Verify fault levels, discrimination, cable capacity, tightening torques and neutral protection settings before energising.
Applications
  • Main incoming protection in commercial and industrial switchboards
  • High-current three-phase distribution boards
  • Building services and infrastructure power distribution
  • Generator, transformer and large motor feeder protection where correctly coordinated
  • Overload and short-circuit protection for low-voltage electrical installations
Standards & Compliance
  • Applicable product standard: AS/NZS 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 Wiring Rules and applicable switchboard standards
Environmental Benefits
  • Adjustable protection settings can support accurate system design and reduce unnecessary equipment replacement
  • Durable construction and high mechanical endurance support extended service life
  • Metal components can be separated for recycling at end of service life
  • Effective fault protection can help reduce damage to downstream electrical equipment
Warranty Information

CHINT general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when sold through authorised sales channels. Contractual or local distributor terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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