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Earth Leakage MCCB 4P 250A NXMLE Chint

BRAND: CABAC
SKU: 411735
$1,304.50 List price: $1,739.40
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Chint NXMLE-250S earth leakage MCCB 4P 250A features 250A frame, integrated earth leakage protection, and moulded case design. Ideal for sub-mains and feeders.

Alternatively Known As: CHINT NXMLE residual current circuit breaker, 250 A earth leakage breaker, 4P residual current MCCB

Technical Specifications
  • Rated Current: 250 A
  • Number of Poles: 4P, three-phase plus neutral
  • Frame Size: 250 A
  • Rated Operational Voltage: 380/400/415 V AC
  • Rated Insulation Voltage: 800 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Frequency: 50/60 Hz
  • Breaking Capacity: 35 kA at 380/400/415 V AC
  • Service Breaking Capacity: 18 kA at 380/400/415 V AC
  • Utilisation Category: Category A
  • Residual Protection: Integrated adjustable earth leakage protection; settings vary by configured suffix
  • Maximum Breaking Time: Less than 0.1 seconds for residual-current operation
  • Installation Type: Fixed or plug-in installation, subject to selected configuration
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 170mm x 99mm x 140mm
  • Weight: 4.5 kg
Key Features
  • Four-pole moulded case circuit breaker for sub-main and feeder protection
  • Combines overload, short-circuit and residual-current protection
  • Integrated earth leakage protection helps detect insulation faults and leakage currents
  • Adjustable residual-current settings are available across the NXMLE configuration range
  • Suitable for 380/400/415 V AC three-phase distribution systems
  • Fixed and plug-in installation options available within the NXMLE range
  • Test button for checking residual-current operation
  • Interphase arc-isolation barriers included as standard
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical safety requirements. Confirm the required residual-current setting, prospective fault current, discrimination and enclosure clearances before energising.
Applications
  • Commercial and industrial switchboards
  • Sub-main circuit protection
  • Feeder circuit protection
  • Three-phase distribution boards
  • Building services and plant rooms
  • Motor and equipment feeder protection where residual-current protection is required
Standards & Compliance
  • Applicable circuit-breaker standard: AS/NZS 60947.2, subject to verification of the supplied Australian certification and marking
  • Installation requirements: AS/NZS 3000 Electrical installations, including selection, installation and verification of protective devices
  • Australian supply should be confirmed against applicable EESS and RCM requirements before installation
Environmental Benefits
  • Moulded-case construction provides a durable enclosure that can support a long service life
  • Integrated protection can help limit damage from earth faults and reduce replacement of downstream equipment
  • Electrical fault protection may reduce equipment damage and associated material waste
  • Metallic and polymer components can be separated for appropriate end-of-life recycling where local facilities accept them
Warranty Information

CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to contract terms and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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