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

BRAND: CABAC
SKU: 256806
$3,624.80 List price: $4,833.10
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Chint NXZM 250A 4P ATS features CB class changeover, Type B intelligent controller and 250A frame. Ideal for mains-generator changeover.

Alternatively Known As: CHINT NXZM 250A ATS, 4-Pole Automatic Changeover Switch, Mains-Generator Transfer Switch, Automatic Transfer Switching Equipment

Technical Specifications
  • Product Type: Class CB automatic transfer switching equipment
  • Model: NXZM-250S/4B
  • Rated Current: 250 A
  • Frame Current: 250 A
  • Number of Poles: 4P
  • Controller: Type B intelligent controller
  • Rated Operational Voltage: 400/415 V AC, 50 Hz
  • Rated Insulation Voltage: 800 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Utilisation Category: AC-33B
  • Rated Short-Circuit Making Capacity: 52.5 kA
  • Rated Short-Circuit Breaking Capacity: 25 kA
  • Mechanical Endurance: 2,000 operations
  • Electrical Endurance: 8 operations
  • Control Supply: 230/240 V AC, 50 Hz
  • Control Voltage Range: 85% to 110% of rated voltage
  • Transfer Time: Approximately 3.5 seconds
  • Installation: Integrated or split controller configuration
  • Product Code: 256806
  • Dimensions (H x L x W): 250mm x 390mm x 181mm
  • Weight: 10.5 kg
Key Features
  • Automatic changeover between normal mains and standby generator supplies
  • Four-pole switching for three-phase systems with neutral switching
  • Class CB construction with moulded-case circuit-breaker protection
  • Type B intelligent controller for automatic monitoring and transfer operation
  • Suitable for mains-generator applications
  • Manual operation and reset functionality
  • Generator control and feedback connections available through the intelligent controller
  • Can be installed vertically or horizontally
Professional Installation Requirements
  • Installation, commissioning and connection to mains or generator circuits must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and AS/NZS 3010. The changeover arrangement must prevent parallel connection and dangerous generator backfeed.
Applications
  • Standby generator changeover for commercial buildings
  • Industrial power distribution systems
  • Main switchboards with emergency or alternate power supplies
  • Telecommunications and data infrastructure backup power
  • Healthcare, retail and critical-service facilities requiring automatic supply transfer
Standards & Compliance
  • AS/NZS IEC 60947.6.1:2015 — applicable product standard for low-voltage transfer switching equipment
  • AS/NZS 3000:2018 — electrical installation and wiring requirements
  • AS/NZS 3010:2017 — electrical installations incorporating generating sets
Environmental Benefits
  • Supports reliable use of standby generation, helping reduce interruption-related spoilage, equipment downtime and associated waste
  • Durable moulded-case construction and long operating endurance can reduce replacement frequency and product waste
Warranty Information

CHINT's general 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 conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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