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MCCB 3P 125A 100kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271219
$1,191.10 List price: $1,588.10
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Chint NM8N 125A 3P MCCB features 100kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250H MCCB, 125A 3P Moulded Case Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 125 A
  • Frame Size: 250 A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity Icu: 100 kA at 380/400/415 Vac
  • Service Breaking Capacity Ics: 100 kA at 380/400/415 Vac
  • Rated Operational Voltage: 380/400/415 Vac, 50/60 Hz
  • Maximum Operational Voltage: 690 Vac
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Utilisation Category: A
  • Standard Product Reference: IEC/EN 60947-2
  • Connection Type: Fixed front connection
  • Mechanical Life: 15,000 switching cycles
  • Electrical Life: 6,000 switching cycles at 415 Vac and rated current
  • Power Loss: Approximately 10.9 W per pole at 125 A
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • High 100 kA short-circuit breaking capacity at 380/400/415 Vac
  • Thermal-magnetic overload and short-circuit protection
  • Compact 250 A frame with a 125 A rated current
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains and sub-mains protection
  • Suitable for industrial, commercial and tertiary electrical distribution
  • Accessory-compatible NM8N platform
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm prospective fault current, discrimination, cable capacity and local approval requirements before installation.
Applications
  • Main switchboard protection
  • Sub-main circuit protection
  • Industrial distribution boards
  • Commercial electrical switchboards
  • Power centre and motor control centre distribution
  • Three-phase feeder protection
Standards & Compliance
  • AS/NZS IEC 60947.2:2015, applicable to low-voltage circuit-breakers including MCCBs
  • AS/NZS 3000, relevant to installation and wiring practices
  • Product documentation references IEC/EN 60947-2; verify Australian approval and RCM requirements for the intended installation
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Metallic terminals and hardware can be recovered through appropriate electrical equipment recycling streams
  • Thermal-magnetic protection helps limit damage to downstream equipment and reduce premature component replacement
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture when sold through authorised channels. Contract terms, exclusions and Australian distributor conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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