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MCCB 3P 225A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271145
$575.70 List price: $767.60
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Chint NM8N 225A 3P MCCB features 36kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

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

Technical Specifications
  • Rated Current: 225A
  • Frame Rating: 250A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic, TM type
  • Rated Ultimate Breaking Capacity: 36kA at 380/400/415/440VAC
  • Rated Service Breaking Capacity: 36kA at 380/400/415/440VAC
  • Rated Operational Voltage: Up to 690VAC, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Installation: Fixed type, suitable for vertical or horizontal mounting
  • Line Connection: Top or bottom line entry
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415VAC and rated current
  • Protection Rating: IP40
  • Operating Temperature: -40°C to +70°C
  • Altitude: Up to 2,000m
  • Manufacturer Standard: IEC 60947-1 and IEC 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 225A thermal-magnetic overload and short-circuit protection
  • 250A frame size for switchboard and sub-main applications
  • 36kA short-circuit breaking capacity at common low-voltage AC ratings
  • Suitable for isolation and normal switching duties
  • Top or bottom cable connection options
  • Compact 3-pole moulded case construction
  • Compatible with selected CHINT NM8N accessories
  • High mechanical and electrical endurance
Professional Installation Requirements
  • Installation, testing and maintenance must be performed by a licensed electrical worker in accordance with the manufacturer's instructions and applicable Australian wiring requirements. Confirm fault levels, cable capacity, discrimination and switchboard compatibility before installation.
Applications
  • Main switchboard protection
  • Sub-main and feeder protection
  • Commercial electrical distribution boards
  • Industrial power distribution systems
  • Low-voltage building services
  • Data centre and infrastructure power distribution
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 Wiring Rules
Environmental Benefits
  • RoHS declaration available for the NM8N product family, supporting restriction of hazardous substances
  • Durable construction and high operating endurance can reduce replacement frequency and product waste
  • Metal and polymer components may be recoverable for recycling through appropriate end-of-life electrical equipment processing
Warranty Information

Warranty is subject to current CHINT Australia and authorised distributor terms. Confirm the applicable warranty conditions at purchase.

Available Now

Available through authorised CHINT distributors in Australia.

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