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MCCB 3P 125A 36kA Magnetic Only 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271421
$2,117.50 List price: $2,823.30
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 125A 3P MCCB features 36kA breaking capacity, magnetic-only trip unit for motor protection and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 250 Frame MCCB, 125A Motor Protection Circuit Breaker, 3-Pole Magnetic Moulded Case Circuit Breaker

Technical Specifications
  • Rated Current: 125 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Release Type: Magnetic-only motor protection
  • Rated Operational Voltage: 380/400/415 V AC, 50/60 Hz
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Rated Ultimate Breaking Capacity Icu: 36 kA at 380/400/415 V AC
  • Rated Service Breaking Capacity Ics: 36 kA at 380/400/415 V AC
  • Utilisation Category: A
  • Connection: Fixed, front or rear connection options
  • Standard Product Basis: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 105mm x 88.7mm
  • Weight: 1.85 kg
Key Features
  • Three-pole moulded case circuit breaker for low-voltage distribution systems
  • Magnetic-only trip unit designed for motor circuit protection
  • 250A frame with a 125A rated current
  • 36kA short-circuit breaking capacity at 380/400/415V AC
  • Suitable for switchboard mains and industrial motor protection applications
  • Fixed mounting with compatible accessories available
  • Maintenance-free construction with a compact moulded case design
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with the installation design, manufacturer instructions, AS/NZS 3000 and applicable switchboard requirements. Confirm coordination, prospective fault current, RCM requirements and motor protection settings before installation.
Applications
  • Switchboard mains protection
  • Industrial motor feeder protection
  • Commercial and industrial low-voltage distribution boards
  • Motor control centres and electrical panels
  • Protection of three-phase circuits where magnetic-only tripping is required
Standards & Compliance
  • IEC/EN 60947-2 product basis for circuit-breakers; verify compliance with the applicable AS/NZS 60947.2 requirements and Australian RCM obligations for the supplied variant
  • AS/NZS 3000 Wiring Rules for installation in Australian electrical installations
Environmental Benefits
  • Durable moulded case construction supports extended service life and reduces replacement waste
  • Copper and metal components can be recovered through appropriate electrical equipment recycling streams
  • Compatible accessories and fixed construction can support maintenance and component replacement rather than complete system disposal
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 terms and conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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