SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

MCCB 3P 250A 150kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269221
$3,374.80 List price: $4,499.70
+ −
30 Days Return Electricians Unlock Trade Access
Chint NM8N 250A 3P MCCB features 150kA breaking capacity, thermal-magnetic trip unit and a 400A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 400R MCCB, 250A Thermal-Magnetic Circuit Breaker, 3-Phase Moulded Case Circuit Breaker

Technical Specifications
  • Rated Current: 250 A
  • Number of Poles: 3P
  • Frame Size: 400 A
  • Trip Unit: Thermal-magnetic, adjustable
  • Ultimate Short-Circuit Breaking Capacity Icu: 150 kA at 380/400/415 V AC
  • Service Short-Circuit Breaking Capacity Ics: 150 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415, 440, 500, 660/690 V AC, 50/60 Hz
  • Breaking Capacity at 440 V AC: 100 kA
  • Breaking Capacity at 500/525 V AC: 50 kA
  • Breaking Capacity at 660/690 V AC: 15 kA
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 12 kV
  • Utilisation Category: A
  • Installation: Fixed mounting with front or rear connection options
  • Dimensions (H x L x W): 255mm x 140mm x 113mm
  • Weight: 5.2 kg
Key Features
  • 150 kA high fault-current interruption at 380/400/415 V AC
  • Thermal-magnetic overload and short-circuit protection
  • Adjustable thermal and magnetic trip settings
  • Three-pole construction for three-phase distribution circuits
  • 400A frame accommodates 250A rated current
  • Suitable for switchboard mains, sub-mains and industrial distribution protection
  • Zero arcing distance design
  • Mechanical service life of up to 15,000 operating cycles
Professional Installation Requirements
  • Installation, selection and commissioning should be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable switchboard requirements and AS/NZS 3000. Confirm fault level, discrimination, cable capacity and enclosure suitability before installation.
Applications
  • Switchboard mains protection
  • Sub-mains and feeder protection
  • Commercial and industrial power distribution
  • Three-phase electrical equipment protection
  • High fault-level low-voltage distribution systems
Standards & Compliance
  • Relevant Australian/New Zealand product standard: AS/NZS IEC 60947.2:2015, Low-voltage switchgear and controlgear, Part 2: Circuit-breakers
  • Manufacturer performance and testing references IEC/EN 60947-2
Environmental Benefits
  • Durable moulded-case construction supports a long service life and reduces replacement waste
  • Resettable circuit protection avoids routine fuse replacement and associated consumable waste
  • Suitable for use in efficient, maintainable low-voltage power distribution systems
Warranty Information

CHINT's general warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when supplied through authorised sales channels. Contract-specific conditions may apply.

Available Now

Available through authorised CHINT distributors in Australia.

Related Products