Product Overview

The TDGC2 Series Three-Phase Variable Autotransformer is a high-performance voltage regulation device designed for industrial, laboratory, testing, and educational applications. Utilizing a proven contact-type voltage adjustment mechanism, it provides smooth and stepless voltage regulation, enabling precise output voltage control for a wide range of electrical equipment and testing environments.

Built with premium materials and reliable components, the TDGC2 series delivers accurate voltage adjustment, stable operation, and long service life, making it an ideal solution for voltage regulation and power testing applications.

Key Features & Advantages

Wide Voltage Adjustment Range

Standard models support:

• Three-phase 380V input

• Continuously adjustable output voltage from 0V to 430V

Custom voltage ranges are available, including:

• 0–450V

• 0–500V

• Other special voltage requirements

Suitable for various industrial loads, testing equipment, and research applications.

High-Quality Carbon Brush System

Equipped with imported 1017 carbon brushes featuring:

• Excellent electrical conductivity

• Smooth voltage adjustment

• Accurate voltage regulation

• Stable operation without output interruption

Maintains reliable performance even under high-current operating conditions.

Pure Copper Windings

Manufactured using high-grade copper windings with optimized conductor sizing to provide:

• Low electrical resistance

• Reduced power loss

• Superior thermal conductivity

• Higher operating efficiency

Ensures stable output voltage and extended transformer lifespan.

Efficient Cooling Design

The transformer incorporates a multi-ventilation cooling structure that:

• Improves heat dissipation

• Controls temperature rise

• Supports long-term continuous operation

• Enhances overall reliability

Maximum temperature rise is maintained within safe operating limits.

Easy Monitoring & Operation

A built-in analog voltmeter provides real-time voltage indication, allowing operators to monitor and adjust output voltage quickly and accurately.

The simple mechanical adjustment mechanism ensures convenient operation and maintenance.

Flexible Installation

Compact structure and practical design make the TDGC2 series suitable for:

• Industrial workshops

• Laboratories

• Educational facilities

• Equipment testing stations

Easy installation and deployment reduce setup time and operational costs.

Technical Specifications

Example Model: TSGC2-1.5kVA

Available Capacity Range

Custom capacities available from:

0.2kVA to 100kVA

to meet different industrial and laboratory requirements.

Typical Applications

✅ Industrial equipment testing and commissioning
✅ Welding equipment voltage adjustment
✅ Metallurgical heating systems
✅ Research laboratories and scientific experiments
✅ Educational electrical training systems
✅ Production line voltage testing
✅ Quality control and inspection equipment
✅ Power supply simulation and development testing

Why Choose TDGC2 Variable Autotransformers?

✔ Smooth and stepless voltage adjustment
✔ High-quality imported carbon brush system
✔ Premium copper winding construction
✔ Stable output voltage and reliable performance
✔ Efficient cooling and low temperature rise
✔ Wide voltage customization options available
✔ Suitable for industrial, laboratory, and educational applications

Contact Us for Custom Variable Transformer Solutions

Looking for a reliable three-phase variable autotransformer for your industrial or laboratory application?

We provide:

• OEM & customized voltage regulator solutions

• Custom voltage and capacity configurations

• Technical support for industrial and testing projects

• Fast production and worldwide delivery

📩 Contact us today with your voltage, capacity, and application requirements for a fast quotation and professional recommendation.