Three Phase Servo Type Voltage Stabilizers/Regulators | SHLEIPUSI
Product Introduction
Our SHLEIPUSI TNS series three phase servo type voltage stabilizers/regulators are industry-leading industrial power conditioning solutions, engineered to eliminate harmful voltage fluctuations, sags and surges for critical electrical equipment. Tailored for global markets, these regulators are the trusted choice for factory power systems, electrical engineers, CNC machine tools, photovoltaic systems, power transmission equipment, AI data centers, laser cutting machines, precision instruments, EV charging stations, generators and motors. With benchmark precision, ultra-fast response and robust durability, our three phase servo voltage regulators safeguard your assets, minimize unplanned downtime and extend equipment service life.
Key Features & Competitive Advantages
- High Precision & Rapid Response: Microcomputer control board with sub-modulation technology delivers ±2% output accuracy, paired with a high-speed servo motor for real-time signal adjustment to correct voltage anomalies instantly.
- Superior Build & Efficiency: Full purple copper coils with automatic tight, regular winding, combined with high-conductivity double carbon brushes, ensure accurate voltage stabilization, low energy losses, full capacity operation and extended service life.
- 360° Safety Protection: Integrated over voltage, low voltage, over load and short-circuit protection systems fully shield your valuable equipment from electrical hazards.
- User-Centric Design: High-insulation reliable terminals, real-time current and voltage digital display, brake wheels for flexible mobility, and dry type air cooling with a draught fan for stable performance in -15℃ to +45℃ working environments, with zero additional waveform distortion.
- Global Compatibility: Wide 280-456V three phase input voltage range (customizable), 380V rated output (customizable), and 50/60Hz frequency support to fit worldwide power grid standards.
Why Choose Our Products
As an ISO9001, CE and UL certified professional manufacturer, we offer full OEM/ODM services, including custom product parameters, appearance, brand LOGO and packaging to meet your unique needs. We maintain a robust monthly production capacity of 10,000 units for small-power models and 2,000 units for high-power industrial units, with a minimum order quantity of just 1 set to support both sample and bulk orders. Every unit undergoes strict pre-shipment testing to ensure zero defects, backed by a 2-year warranty. We provide end-to-end support: free professional product photography, flexible global shipping options covering all mainstream Incoterms, and lifetime free technical support via our dedicated engineering team, including on-site installation and free component replacement for warranty-covered quality issues.
Technical Specifications
| Item |
Specification |
| Product Name |
Three phase servo type automatic voltage stabilizers/regulators |
| Brand |
SHLEIPUSI / OEM/ODM Supported |
| Rated Capacity |
30KVA (Customizable) |
| Model |
TNS-30KVA |
| Input Voltage Range |
3 Phase 280-456V (Customizable) |
| Output Voltage |
3 Phase 380V (Customizable) |
| Working Frequency |
50/60Hz |
| Output Precision |
±2% |
| Insulation Class |
F |
| Cooling Method |
Dry type air cooling (with draught fan) |
| Certifications |
ISO9001, CE, UL |
| Warranty |
2 Years |


Frequently Asked Questions (FAQ)
- What’s the lead time for your three phase servo type voltage stabilizers?
3-7 working days for standard orders; 10-30 days for customized or bulk orders based on specific specifications.
- How do you control your product quality?
Our professional QC team monitors raw material incoming inspection and the full manufacturing process. All products pass strict performance and safety testing before shipment.
- What are your payment terms?
30% deposit for standard products, 50% advance payment for customized orders, with the full balance settled before shipment.
- Do you provide technical support for product installation?
Yes. Our professional technical team offers comprehensive installation guidance, including video calls, telephone support, and on-site installation by our engineers.
- What packaging do you use for the products?
Large-capacity stabilizers use reinforced wooden cases for maximum protection, while small models use high-strength carton packaging. Custom packaging is available.
- Do you offer OEM/ODM services with our brand logo?
Yes, we fully support OEM and ODM services. We can print your brand logo and company information on products, user manuals and technical documents for bulk orders.
- What is your main market for these voltage regulators?
Our products are sold globally, covering core markets including Central Asia, East Asia, South Asia, Africa, South America and North America.
- What is your production capacity?
We have a monthly production capacity of approximately 10,000 units for small-power stabilizers and 2,000 units for high-power industrial models.
- What is the minimum order quantity (MOQ)?
Our MOQ is 1 set, supporting both sample trial orders and bulk purchases.
- What is your warranty policy for these products?
We provide a 2-year warranty for all stabilizers, with free component replacement for quality issues during the warranty period and lifetime free technical guidance.
- Will your voltage stabilizer cause additional waveform distortion?
No. Our servo type voltage regulators are designed with zero additional waveform distortion, ensuring stable power supply for precision equipment without signal interference.
Contact Us
- TEL: +86 15926315252
- MOBILE / WECHAT: +86 15926315252
- EMAIL: daniel@shlepus.com
- Whatsapp: +86 18979230829