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3KVA 3 Phase Variac Transformer
Product Overview
Our 3KVA 3 Phase Variac Transformer (Model TSGC2-3KVA, fully customizable) is an energy-saving manually adjustable AC voltage regulator, developed and manufactured by Shanghai Lepus Electrical Equipment Co., Ltd. This TSGC2 series contact-type three-phase variable transformer is purpose-built for industrial and laboratory scenarios requiring precise three-phase voltage adjustment, with ISO9001 and CE certifications for global compliance. It delivers full-capacity operation, high efficiency, zero additional waveform distortion, and strong instantaneous overload capability for continuous long-term duty. Ideal for three-phase voltage regulation, temperature control, motor speed adjustment, and power control, it is widely used for motor testing, factory power systems, voltage test benches, CNC machines, photovoltaic systems, precision equipment, generators, EV charging stations, and power transmission equipment worldwide, serving electrical engineers and industrial operators globally.
Key Features & Advantages
- High Precision & Wide Regulation Range: Three-phase 0-430VAC adjustable output with stable performance, supporting 50/60Hz frequency and full compatibility with inductive, capacitive, and resistive three-phase industrial loads.
- Premium Core Components: Pure copper coil with microcomputer control board, paired with high-conductivity double carbon brushes for accurate voltage stabilization, low losses, and extended service life.
- Zero Waveform Distortion: No additional output waveform distortion, ensuring clean, stable three-phase power for sensitive precision instruments and testing equipment without signal interference.
- Intuitive Operation & Monitoring: Simple rotary knob for manual voltage adjustment, with a digital display for real-time voltage tracking; reliable high-insulation terminals ensure safe and convenient operation.
- Durable Industrial Design: Sturdy metallic enclosure, 2500V dielectric strength, stable operation in -15℃ to +45℃ environments, with low noise and high reliability for harsh industrial settings.
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 voltage parameters, capacity, appearance, branding, and packaging, plus free professional product photography. Every unit undergoes strict full-stage 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, with a minimum order quantity of just 1 set.
Technical Specifications
| Parameter |
Details |
| Product Name |
3KVA 3 Phase Variac Transformer |
| Model |
TSGC2-3KVA (Customizable) |
| Rated Capacity |
3KVA (Customizable) |
| Working Frequency |
50/60Hz |
| Input Voltage |
Three Phase 380VAC (Customizable) |
| Output Voltage |
Three Phase 0-430VAC Adjustable (Customizable) |
| Phase |
3 Phase |
| Dielectric Strength |
2500V for 1 minute |
| Display System |
Digital Display |
| Certificates |
ISO9001, CE |
| Working Temperature |
-15℃ ~ +45℃ |
Frequently Asked Questions (10 Items)
- How long is the lead time?
3-7 working days for standard 3KVA 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 3KVA three-phase 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 certifications do your products have?
All our 3 phase variac transformers are ISO9001 and CE certified, complying with international industrial standards.
- 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 input and output voltage range?
Yes, we fully support custom voltage parameters, capacity, and enclosure design to fit your specific three-phase industrial application needs.
