Advantages

The motorized open-type three-phase variac offers precise, automated voltage control with high efficiency and ease of operation. Its open construction ensures better cooling and serviceability, while the motorized system provides accurate, repeatable adjustments—making it ideal for advanced industrial testing and laboratory applications.

Applications
  • Industrial testing and calibration systems
  • Electrical R&D laboratories
  • Motor and drive testing
  • Transformer testing setups
  • Automation system development
  • Quality control in manufacturing units
  • Power simulation and load testing
  • Educational and training institutes

Three Phase Variac Motorized Open Type

The Three Phase Variac Motorized Open Type is a high-precision voltage regulating system designed to provide smooth and automated control of three-phase AC voltage. It is widely used in industrial testing, research laboratories, manufacturing quality control, and electrical R&D applications where accurate and repeatable voltage variation is required.

This motorized variac is equipped with an electric motor-driven mechanism that adjusts output voltage automatically, eliminating the need for manual operation. The open-type construction allows easy accessibility, effective cooling, and convenient maintenance. Built with high-quality copper winding and a robust core assembly, it ensures stable performance, low losses, and long operational life under continuous duty conditions.

Key Components
  • Motorized voltage control for automatic adjustment
  • Open-type design for easy maintenance and cooling
  • Smooth and stepless three-phase voltage variation
  • High precision and repeatability in voltage control
  • Heavy-duty copper winding construction
  • Stable and balanced output across all phases
  • Low noise and efficient operation
  • Suitable for continuous industrial usage
  • Available in multiple kVA ratings
  • Compatible with remote or panel control systems
Technical Specifications
  • Phase: Three Phase
  • Input Voltage: 415V AC (or customizable)
  • Output Voltage: 0–470V AC (typical range)
  • Frequency: 50/60 Hz
  • Type: Motorized Variac (Autotransformer)
  • Construction: Open Type
  • Control Type: Motor Driven (Remote/Panel Control Optional)
  • Cooling Type: Air Cooled
  • Winding Material: Copper
  • Mounting Type: Floor Mounted
  • Duty Cycle: Continuous