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ATS 3P 250A Type B 400A Frame NXZM Chint

BRAND: CABAC
SKU: 256814
$6,232.20 List price: $8,309.60
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Chint NXZM 250A 3P ATS features CB class changeover, Type B intelligent controller and 400A frame. Ideal for mains-generator changeover.

Alternatively Known As: CHINT NXZM-400H/3B 250A ATS, 3-Pole Automatic Changeover Switch, Mains-Generator Transfer Switch

Technical Specifications
  • Model: NXZM-400H/3B 250A
  • Product Code: 256818
  • Equipment Class: CB automatic transfer switching equipment
  • Frame Current: 400 A
  • Rated Current: 250 A
  • Number of Poles: 3P
  • Rated Operational Voltage: 400/415 V AC, 50 Hz
  • Rated Insulation Voltage: AC 1000 V
  • Rated Impulse Withstand Voltage: 12 kV
  • Utilisation Category: AC-33B
  • Rated Short-Circuit Making Capacity: 154 kA, H type
  • Rated Short-Circuit Breaking Capacity: 70 kA, H type
  • Mechanical Endurance: 4,000 operations
  • Electrical Endurance: 1,500 operations
  • Controller: Type B intelligent controller
  • Operating Transfer Time: 3.5 seconds ±10%
  • Control Supply: 230/240 V AC, 50 Hz
  • Control Voltage Range: 85% to 110% of rated voltage
  • Controller Installation: Integrated or split type
  • Connection: Suitable for mains-generator dual-source systems
  • Dimensions (H x L x W): 342mm x 540mm x 234mm
  • Weight: 23.8 kg
Key Features
  • Automatic transfer between normal and alternative power supplies
  • CB-class changeover equipment with overcurrent protection
  • 400 A frame size with a 250 A rated current
  • Three-pole configuration for three-phase installations
  • Type B intelligent controller for automatic monitoring and transfer control
  • Manual operation and reset capability
  • Built-in or split controller installation options
  • Suitable for industrial, commercial and standby generator applications
Professional Installation Requirements
  • Installation, wiring, commissioning and testing must be performed by a licensed electrical contractor. The unit switches mains and generator supplies and must be installed in accordance with applicable wiring, transfer-switch and generating-set requirements, including AS/NZS 3000 and AS/NZS 3010.
Applications
  • Mains-to-generator changeover systems
  • Standby power systems
  • Commercial and industrial switchboards
  • Three-phase emergency power installations
  • High-rise and critical-load power distribution
  • Automatic transfer between utility and generator supplies
Standards & Compliance
  • Applicable transfer-switch standard: AS/NZS IEC 60947.6.1:2015
  • Electrical installation requirements: AS/NZS 3000
  • Generating-set installation requirements: AS/NZS 3010:2017
Environmental Benefits
  • Supports efficient use of standby generation by transferring loads automatically when the normal supply fails
  • Long mechanical and electrical endurance can reduce replacement frequency and associated waste
  • Metal components and electrical materials may be recyclable at end of service life through appropriate recycling channels
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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