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

BRAND: CABAC
SKU: 271224
$1,191.10 List price: $1,588.10
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Chint NM8N 250A 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 TM 3P 250A MCCB, 250A Moulded Case Circuit Breaker, 100kA MCCB

Technical Specifications
  • Circuit Breaker Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Frame Size: 250A
  • Rated Current: 250A
  • Breaking Capacity: 100kA Icu at 380/415V AC
  • Trip Unit: Adjustable thermal-magnetic release
  • Overload Adjustment: 175–250A
  • Instantaneous Short-Circuit Adjustment: 1250–2500A
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Frequency: 50/60Hz AC
  • Ingress Protection: IP40
  • Operating Temperature: -40°C to +70°C
  • Mechanical Endurance: 15,000 operations
  • Electrical Endurance: 6,000 operations
  • Installation Orientation: Vertical or horizontal mounting
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • High 100kA ultimate short-circuit breaking capacity
  • Three-pole protection for three-phase distribution systems
  • Adjustable thermal overload and magnetic short-circuit protection
  • 250A frame with 250A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Thermal-magnetic trip unit supports adjustable protection settings
  • Compact moulded-case construction with IP40 front enclosure protection
  • Designed for industrial and commercial low-voltage distribution applications
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm fault level, cable protection, discrimination and termination torque before energising.
Applications
  • Switchboard mains protection
  • Sub-main circuit protection
  • Industrial power distribution boards
  • Commercial electrical distribution systems
  • Three-phase motor and equipment feeder protection
  • Low-voltage power distribution installations
Standards & Compliance
  • AS/NZS 60947.2 for low-voltage circuit-breakers
  • AS/NZS 3000 Wiring Rules for installation and verification of electrical installations
Environmental Benefits
  • Copper, steel and selected thermoplastic components can be separated and recycled at end of service life
  • Long mechanical and electrical endurance can reduce replacement frequency and associated waste
  • Moulded-case construction supports extended service life in commercial and industrial distribution equipment
Warranty Information

CHINT's general warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to contract terms and applicable Australian consumer guarantees.

Available Now

Available through authorised CHINT distributors in Australia.

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