Advantages

The three-phase close-type variac delivers precise, stable, and adjustable voltage control with enhanced safety and reliability. Its enclosed design ensures safe operation in industrial environments while maintaining excellent performance, smooth control, and long service life for demanding applications.

Applications
  • Industrial testing and calibration setups
  • Electrical R&D laboratories
  • Motor and drive testing
  • Manufacturing quality control systems
  • Automation and control system development
  • Transformer and equipment testing
  • Educational and training institutions
  • Power simulation and experimental setups

Three Phase Variac Manual Close Type

The Three Phase Variac Manual Close Type is a high-performance voltage regulating equipment designed to provide smooth, stepless control of three-phase AC voltage. It is widely used in industrial testing, research laboratories, manufacturing units, and service industries where precise and adjustable three-phase power output is required.

This close-type variac features a fully enclosed construction for enhanced safety, protection against accidental contact, and improved durability in demanding environments. It operates using a manual rotary control mechanism that allows precise and synchronized voltage adjustment across all three phases. Built with high-grade copper winding and a robust core design, it ensures stable output, low losses, and long operational life.

Key Components
  • Manual rotary control for precise three-phase voltage adjustment
  • Enclosed (close-type) construction for enhanced operator safety
  • Smooth and stepless voltage variation across all phases
  • High efficiency with minimal power losses
  • Robust copper winding and heavy-duty core design
  • Stable and balanced three-phase output
  • Low noise and reliable operation
  • Suitable for continuous industrial use
  • Available in multiple kVA ratings
  • Easy installation and low maintenance
Technical Specifications
  • Phase: Three Phase
  • Input Voltage: 415V AC (or customizable)
  • Output Voltage: 0–470V AC (typical range)
  • Frequency: 50/60 Hz
  • Type: Manual Variac (Autotransformer)
  • Construction: Close Type (Enclosed)
  • Cooling Type: Air Cooled
  • Winding Material: Copper
  • Mounting Type: Floor Mounted
  • Duty Cycle: Continuous