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MCCB 4P 180A 100kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271233
$1,786.60 List price: $2,382.20
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Chint NM8N 180A 4P MCCB features 100kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: NM8N-250H TM 180 4P MCCB, 250A Frame MCCB, 4-Pole Moulded Case Circuit Breaker, Main Switchboard Circuit Breaker

Technical Specifications
  • Frame Size: 250A
  • Rated Current: 180A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic TM
  • Neutral Protection: Protected neutral, 4C configuration
  • Rated Ultimate Short-Circuit Breaking Capacity Icu: 100kA at AC 380/400/415V
  • Rated Service Short-Circuit Breaking Capacity Ics: 100kA at AC 380/400/415V
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Frequency: 50/60Hz
  • Utilisation Category: A
  • Mounting: Fixed, plug-in or DIN rail mounting options subject to configuration
  • Connection: Front or rear connection options subject to configuration
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at AC 415V and rated current
  • Suitable for Isolation: Yes
  • Operating Temperature: -40°C to +70°C
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • High 100kA short-circuit breaking capacity at 400/415V AC
  • Thermal-magnetic overload and short-circuit protection
  • Four-pole switching for three-phase and neutral systems
  • Protected neutral configuration for improved neutral conductor protection
  • 250A frame accommodates a 180A rated current
  • Suitable for switchboard mains and low-voltage power distribution
  • Supports fixed and plug-in installation configurations
  • Resettable protection reduces the need for replacement fuses
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician or suitably qualified switchboard professional in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements.
Applications
  • Main incoming protection in commercial switchboards
  • Industrial power distribution boards
  • Three-phase commercial and industrial electrical installations
  • Data centre and critical power distribution systems
  • Protection of feeders, busbars and downstream electrical equipment
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Electrical installation and connection work should comply with AS/NZS 3000:2018
  • Product documentation identifies compliance with IEC 60947-1 and IEC 60947-2
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restriction of hazardous substances
  • Resettable circuit protection reduces consumable fuse waste
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
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 and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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