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.
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.