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Our 7KVA 5KW Autotransformer Variac (Model TDGC2-7KVA, fully customizable) is a high-efficiency, energy-saving adjustable AC voltage regulator developed and manufactured by Shanghai Lepus Electrical Equipment Co., Ltd. As a contact-type autotransformer variac, it is specially designed for scenarios requiring manual voltage adjustment, fully compliant with JB/T 100-1-2001 standards. It features full-capacity operation, high efficiency, zero additional waveform distortion, strong instantaneous overload capacity, and continuous working capability. Ideal for voltage regulation, temperature control, motor speed adjustment, and power control, it is widely used in motor testing, factory power systems, voltage test benches, CNC machines, photovoltaic systems, precision equipment, generators, EV charging stations, and other industrial fields worldwide.
Key Features & Advantages
High Precision & Wide Regulation Range: 0-250VAC adjustable output with ±2% accuracy, supporting 50/60Hz frequency and full compatibility with inductive, capacitive, and resistive loads, suitable for high-power industrial applications.
Premium Core Components: Pure copper coil controlled by a sub-modulation microcomputer control board, paired with high-conductivity double carbon brushes for more accurate voltage stabilization, low energy loss, and long service life.
Zero Waveform Distortion: No additional output waveform distortion, ensuring stable and clean power supply for sensitive precision instruments and testing equipment without signal interference.
User-Friendly Operation: Simple rotary knob for manual voltage adjustment, with a digital display for real-time working status monitoring; reliable high-insulation terminals ensure safe and stable operation.
Durable Industrial Design: Sturdy metallic enclosure, 2500V dielectric strength, stable operation in -15℃ to +45℃ environments, with low noise and strong adaptability to harsh industrial working conditions.
Why Choose Us
As a professional electrical equipment manufacturer from Shanghai, China, we offer factory-direct pricing with no middleman markup for global clients. We provide full OEM/ODM services, including custom product parameters, appearance, LOGO, and packaging, plus free professional product photography and video producing. Every 7KVA 5KW Autotransformer Variac undergoes strict quality inspection from raw material intake to final assembly, with 100% pre-shipment testing to ensure zero defects. We support flexible global shipping via sea, air, land, express, and railway, covering all mainstream international trade terms. Backed by lifetime free technical guidance, video installation support, and on-site engineer services, we boast a monthly capacity of 10,000 units for small-power products and 2,000 units for large-power models like this autotransformer variac, with a minimum order quantity of just 1 set.
Technical Specifications
Parameter
Details
Product Name
7KVA 5KW Autotransformer Variac
Model
TDGC2-7KVA (Customizable)
Rated Capacity
7KVA / 5KW (Customizable)
Working Frequency
50/60Hz
Input Voltage
220VAC (Customizable)
Output Voltage
0-250VAC Adjustable (Customizable)
Phase
2 Phase
Output Accuracy
±2%
Dielectric Strength
2500V for 1 minute
Display System
Digital Display
Working Temperature
-15℃ ~ +45℃
Relative Humidity
20% - 90%
Frequently Asked Questions (10 Items)
How long is the lead time?
3-7 working days for standard 7KVA 5KW products; 10-30 days for custom orders depending on quantity and requirements.
How do you control product quality?
We conduct professional quality inspection at every stage from raw material intake to manufacturing, and only ship products meeting all quality standards.
What are your payment terms?
30% deposit for standard products, 50% advance for custom products, with the full balance paid before shipment.
Do you provide technical support for product installation?
Yes, our professional team provides full installation guidance via video call, telephone, or on-site engineer service.
What packaging do you use for this product?
This 7KVA autotransformer variac uses heavy-duty wooden cases for protection, with custom packaging available upon request.
Can you put our custom logo on the product?
Yes, we accept full OEM and ODM services, with custom logo placement on products, manuals, and packaging for qualified orders.
Where is your major market?
Our products are sold globally, covering Central Asia, East Asia, South Asia, Africa, South America, and North America.
What is your production capacity for this model?
We can produce up to 2,000 units monthly for large-power products like the 7KVA 5KW Autotransformer Variac.
What is your minimum order quantity (MOQ)?
Our minimum order quantity is 1 set, supporting both sample testing and bulk purchase.
Can we customize the rated capacity and voltage range?
Yes, we fully support custom capacity, input/output voltage, and enclosure design to fit your specific industrial and testing application needs.
