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ATS 4P 250A Type B 400A Frame NXZM Chint

BRAND: CABAC
SKU: 256822
$6,995.30 List price: $9,327.10
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Chint NXZM 250A 4P ATS features CB class changeover, Type B intelligent controller and 400A frame. Ideal for mains-generator changeover.

Alternatively Known As: CHINT NXZM 400A Frame ATS, 250A 4P Automatic Changeover Switch, Class CB Transfer Switching Equipment, Mains-Generator Changeover Switch

Technical Specifications
  • Product Type: Class CB automatic transfer switching equipment
  • Model: NXZM-400H/4B 250A
  • Frame Current: 400A
  • Rated Current: 250A
  • Number of Poles: 4P
  • Controller: Type B intelligent controller
  • Rated Operational Voltage: 400/415V AC, 50Hz
  • Rated Insulation Voltage: AC1000V
  • Rated Impulse Withstand Voltage: 12kV
  • Utilisation Category: AC-33B
  • Rated Short-Circuit Making Capacity: 154kA
  • Rated Short-Circuit Breaking Capacity: 70kA
  • Mechanical Endurance: 4,000 operations
  • Electrical Endurance: 1,500 operations
  • Operating Transfer Time: 3.3 seconds, ±10%
  • Control Supply: 230/240V AC, 50Hz
  • Control Voltage Range: 85% to 110% of rated voltage
  • Installation: Integrated or split controller configuration
  • Dimensions (H x L x W): 334mm x 535mm x 234mm
  • Weight: 20 kg
Key Features
  • Four-pole switching for three-phase, four-wire systems
  • Class CB construction using mechanically interlocked circuit-breakers
  • 400A frame with 250A rated switching current
  • Intelligent Type B controller for automatic source monitoring and changeover
  • Suitable for mains-generator and grid-grid transfer applications
  • High short-circuit making and breaking capability
  • Manual operation and electrical automatic transfer functionality
  • Designed for industrial, commercial and standby-power installations
Professional Installation Requirements
  • Installation, commissioning and connection to mains or generator supplies must be performed by a licensed electrician in accordance with applicable wiring, generator and switchboard requirements. Confirm neutral switching, earthing, generator interlocking and protection coordination before commissioning.
Applications
  • Mains-to-generator automatic changeover
  • Standby power systems
  • Commercial and industrial switchboards
  • Backup power for critical loads
  • Three-phase four-wire electrical distribution systems
  • Automatic transfer between two utility or generator sources
Standards & Compliance
  • Applicable equipment standard: AS/NZS IEC 60947.6.1:2015 for transfer switching equipment
  • Generator changeover installations should comply with AS/NZS 3010:2017 and applicable amendments
  • Electrical installation and switchboard integration should comply with AS/NZS 3000 and applicable local regulatory requirements
Environmental Benefits
  • Automatic transfer helps maintain power continuity while avoiding unnecessary generator operation when the normal supply is available
  • Durable switchgear construction can support extended service life and reduce replacement waste
  • Metallic components can generally be recovered through established electrical equipment recycling streams
  • Automatic source monitoring can support efficient use of standby-generation equipment
Warranty Information

CHINT general warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus when supplied through authorised sales channels, unless a customer contract specifies different terms.

Available Now

Available through authorised CHINT distributors in Australia.

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