Shanghai Lepus Electrical Equipment Co., Ltd.

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500W Auto Transformer Variac 2 Phase 500VA For Industrial Laboratory

China 500W Auto Transformer Variac 2 Phase 500VA For Industrial Laboratory

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500W Auto Transformer Variac 2 Phase 500VA For Industrial Laboratory

MOQ： 1
Price： 1 pc≤Qty≤5 pcs 50USD; 5 pcs＜Qty≤100 pcs 47USD; 100pcs＜Qty 45USD
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Payment Terms	T/T,D/P,D/A,L/C,Western Union
Supply Ability	1000000PCS
Delivery Time	1 pc≤Qty≤5 pcs 1-3 working days; 5 pcs＜Qty≤100 pcs 3-7 working days; 100pcs＜Qty More than 7 working days
Packaging Details	Non-fumigation plywood case ; Reference packing size: 15X17X16CM; Reference weight: 5KG
Product name	500W Single Phase Variable Transformer
Place of origin	Shanghai, PRC
Rated capacity	500VA Or Customized
Product model	TDGC2-500VA Or Customized
Rated input voltage	Single Phase 220VAC Or Customized
Output voltage	Single Phase 0-250VAC Adjustable Or Customized
Output precision	±1%
Working temperature	－15℃~＋45℃
Brand Name	SHLEIPUSI Or Support OEM/ODM Service
Model Number	TDGC2-500VA Or Customized
Certification	CE;ISO9001;UL
Place of Origin	Shanghai

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Product Details
Company Details

Product Specification


Payment Terms	T/T,D/P,D/A,L/C,Western Union	Supply Ability	1000000PCS
Delivery Time	1 pc≤Qty≤5 pcs 1-3 working days; 5 pcs＜Qty≤100 pcs 3-7 working days; 100pcs＜Qty More than 7 working days	Packaging Details	Non-fumigation plywood case ; Reference packing size: 15X17X16CM; Reference weight: 5KG
Product name	500W Single Phase Variable Transformer	Place of origin	Shanghai, PRC
Rated capacity	500VA Or Customized	Product model	TDGC2-500VA Or Customized
Rated input voltage	Single Phase 220VAC Or Customized	Output voltage	Single Phase 0-250VAC Adjustable Or Customized
Output precision	±1%	Working temperature	－15℃~＋45℃
Brand Name	SHLEIPUSI Or Support OEM/ODM Service	Model Number	TDGC2-500VA Or Customized
Certification	CE;ISO9001;UL	Place of Origin	Shanghai
High Light	500W Auto Transformer Variac ，Auto Transformer Variac 2 Phase ，Auto Transformer Variac 500VA

Contact Us

TEL: +86 15926315252 | MOBILE/WECHAT: +86 15926315252

EMAIL: daniel@shlepus.com | Whatsapp: +86 18979230829

500W Single Phase Variable Transformer

Product Overview

Our 500W Single Phase Variable Transformer (Model TDGC2-500VA, customizable) is an energy-saving manually adjustable AC voltage regulator, developed and manufactured by Shanghai Lepus Electrical Equipment Co., Ltd. This TDGC2 series contact-type variac is purpose-built for industrial, laboratory, and field scenarios requiring precise manual output voltage adjustment, fully compliant with JB/T 100-1-2001 standards. It delivers full-capacity operation, high efficiency, zero additional waveform distortion, and strong instantaneous overload capability for continuous long-term duty. Widely used for voltage regulation, temperature control, motor speed adjustment, dimming, and power control, it is the ideal power solution for motor testing, voltage test benches, factory power systems, CNC machines, photovoltaic systems, precision equipment, generators, and EV charging stations worldwide.

Key Features & Advantages

High Precision & Wide Regulation Range: 0-250VAC adjustable output with ±2% accuracy, supporting 50/60Hz frequency and full compatibility with resistive, inductive, and capacitive loads.
Premium Core Components: Pure copper coil with microcomputer control board, paired with high-conductivity double carbon brushes for stable voltage regulation, low losses, and high working efficiency.
Zero Waveform Distortion: No additional output waveform distortion, ensuring clean power supply for sensitive precision instruments and test equipment without signal interference.
Intuitive Operation & Real-Time Monitoring: Simple rotary knob for manual voltage adjustment, with a digital display providing real-time voltage data tracking and reliable high-insulation terminals for safe operation.
Compact & Durable Design: Sturdy metallic enclosure, 2500V dielectric strength, stable operation in -15℃ to +45℃ environments, with long service life and high reliability for both industrial and laboratory use.

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	500W Single Phase Variable Transformer
Model	TDGC2-500VA (Customizable)
Rated Capacity	500VA/500W (Customizable)
Working Frequency	50/60Hz
Input Voltage	220VAC (Customizable)
Output Voltage	0-250VAC Adjustable (Customizable)
Phase	Single Phase (2 Wire)
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 500W 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 your products?

This 500W variable transformer uses high-strength cartons, large products use heavy-duty wooden cases, with custom packaging available.
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?

Up to 10,000 units monthly for small-power products, and 2,000 units monthly for larger-power models.
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 testing and application needs.

Company Details

Bronze Gleitlager

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from Quality China Factory

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Business Type:

Manufacturer,Exporter,Trading Company 
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Year Established:

17 Years 
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Total Annual:

5,800,000USD-7,300,000
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Employee Number:

25~35 
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Ecer Certification：

Verified Supplier 

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Reach Us
Shanghai Lepus Electrical Equipment Co., Ltd.
No. 1282, Waiqian Road, Jiading District, Shanghai
https://www.volt-transformer.com/

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