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MCCB 4P 225A 150kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271259
$2,117.50 List price: $2,823.30
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Chint NM8N 225A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, NM8N-250R TM MCCB, 4-Pole Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Rated Current: 225A at 40°C
  • Frame Size: 250A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity Icu: 150kA at 380/400/415V AC
  • Service Breaking Capacity Ics: 150kA at 380/400/415V AC
  • Rated Operational Voltage: 380/400/415V AC, 50/60Hz
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Utilisation Category: A
  • Isolation Suitability: Suitable for isolation
  • Standard Series: NM8N-250R
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.4 kg
Key Features
  • Four-pole configuration for three-phase and neutral circuits
  • 250A frame with a 225A thermal-magnetic trip unit
  • 150kA short-circuit breaking capacity at 380/400/415V AC
  • Provides overload and short-circuit protection
  • Suitable for switchboard mains and major feeder protection
  • Fixed MCCB construction with front connection
  • Mechanical life rated up to 25,000 operating cycles
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. Verify prospective fault current, discrimination, cable capacity and neutral protection before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial distribution boards
  • Three-phase feeder protection
  • Large building services and plant supplies
  • Industrial power distribution systems
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • Manufacturer specification references IEC/EN 60947-2
Environmental Benefits
  • Durable construction and a rated mechanical life of up to 25,000 cycles can reduce replacement frequency and associated waste
  • Metal components can be recovered through appropriate electrical equipment recycling streams
  • RoHS documentation is available for the NM8N product series
Warranty Information

CHINT's general warranty policy lists 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels. Contractual terms and local distributor conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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