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MCCB 4P 250A 100kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271410
$2,580.70 List price: $3,440.90
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Chint NM8N 250A 4P MCCB features 100kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, 4-Pole MCCB, Electronic MCCB, Main Switchboard Circuit Breaker

Technical Specifications
  • Series: NM8N
  • Circuit Breaker Type: Moulded case circuit breaker
  • Number of Poles: 4P
  • Frame Size: 250A
  • Rated Current: 250A
  • Breaking Capacity: 100kA at 380/400/415V AC
  • Trip Unit: Standard electronic type for power distribution
  • Neutral Protection: Protected neutral pole
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Operational Voltage: Up to 690V AC
  • Frequency: 50/60Hz
  • Utilisation Category: A
  • Isolation Suitability: Suitable for isolation
  • Mechanical Life: Up to 25,000 switching cycles
  • Electrical Life: Up to 10,000 switching cycles at 415V AC and rated current
  • Applicable Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • 100kA ultimate and service short-circuit breaking capacity at 380/400/415V AC
  • Four-pole configuration for three-phase and neutral systems
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • Protected neutral pole for enhanced four-pole system protection
  • 250A frame with 250A rated current
  • Suitable for switchboard mains and low-voltage power distribution applications
  • Suitable for isolation
  • Zero arcing distance design
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and switchboard requirements. Verify fault levels, protection settings, discrimination and cable ratings before energising.
Applications
  • Main incoming protection in commercial switchboards
  • Industrial low-voltage distribution boards
  • Three-phase power distribution with neutral protection
  • Mains protection for commercial and industrial buildings
  • Data centre and critical power distribution switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • AS/NZS 3000 for electrical installation and switchboard wiring requirements
Environmental Benefits
  • Electronic protection can support accurate system protection and help reduce damage-related replacement waste
  • Durable construction and a rated mechanical life of up to 25,000 cycles can extend service life
  • Plastic, copper and metal components may be recoverable through appropriate electrical equipment recycling streams at end of life
Warranty Information

CHINT low-voltage apparatus is covered for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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