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MCCB 4P 225A 50kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271187
$1,257.30 List price: $1,676.40
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Chint NM8N 225A 4P MCCB features 50kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 225A MCCB, 4P Moulded Case Circuit Breaker, 250A Frame MCCB

Technical Specifications
  • Product Series: NM8N-250S
  • Rated Current: 225A
  • Frame Size: 250A
  • Number of Poles: 4P
  • Trip Unit: Adjustable thermal-magnetic
  • Breaking Capacity: 50kA at 380/400/415V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Operational Voltage: Up to 690V AC
  • Frequency: 50/60Hz
  • Neutral Protection: Protected neutral pole
  • Utilisation Category: Category A
  • Standard: IEC 60947-1 and IEC 60947-2
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415V AC
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 225A thermal-magnetic overload and short-circuit protection
  • 50kA ultimate and service short-circuit breaking capacity at 415V AC
  • Four-pole configuration with protected neutral
  • 250A frame suitable for switchboard mains protection
  • Adjustable thermal and magnetic trip settings
  • Suitable for commercial, industrial and low-voltage distribution systems
  • Can be installed vertically or horizontally
  • Suitable for isolation when installed in accordance with the manufacturer’s instructions
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable state or territory regulations and the manufacturer’s instructions. Confirm prospective fault current, discrimination, cable capacity, tightening torque and enclosure requirements before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Overload and short-circuit protection for feeders and submains
  • Electrical distribution in commercial buildings, industrial facilities and data centres
  • Four-pole systems requiring neutral protection and isolation
Standards & Compliance
  • AS/NZS 3000:2018 Electrical installations for selection, installation and verification of the device within an Australian switchboard
  • IEC 60947-2 performance standard as specified for the NM8N MCCB series
Environmental Benefits
  • Resettable circuit protection can reduce replacement waste compared with single-use fuses
  • Durable construction and long mechanical life can reduce replacement frequency
  • Metal components can be recovered for recycling at end of service life
  • Supports efficient and reliable electrical distribution by limiting damage from overloads and short circuits
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 sales agreement and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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