380V 400V Industrial Power Voltage Regulators | SBW Series Heavy-Duty Automatic Voltage Stabilizer
Contact Us
Tel: +86 15926315252 | Mobile/WeChat: +86 15926315252
Email: daniel@shlepus.com | WhatsApp: +86 18979230829
Product Introduction
Our 380V 400V Industrial Power Voltage Regulators (SBW series) are heavy-duty, high-performance automatic voltage regulation solutions engineered for global industrial, medical and renewable energy applications. With a standard 500KVA rated capacity and fully customizable power range, these regulators deliver stable, precision voltage control for 50/60Hz 3 phase power systems, featuring a wide 304-456VAC input range and fixed 380V/400VAC output at ±2% ultra-high accuracy. Designed to seamlessly handle inductive, capacitive and resistive loads, they are the ideal industrial power solution to protect sensitive equipment from harmful voltage fluctuations. Widely trusted by electrical engineers, factory operators and medical facility managers worldwide, they are perfectly suited for factory power distribution, CNC machine tools, photovoltaic systems, EV charging stations, hospital precision equipment, generators, industrial motors and power transmission infrastructure.
Key Features & Competitive Advantages
These 380V 400V industrial power voltage regulators deliver industry-leading performance with high precision, ultra-fast response, long service life, low losses, full capacity operation and a wide voltage regulation range. Core components include a high-power drive motor for fast brush voltage regulation, high-conductivity double carbon brushes with minimal abrasion, full purple copper winding for accurate voltage stabilization, and a premium compensation transformer with high-grade raw materials for maximized regulation efficiency. They feature a multifunctional LCD display for real-time voltage, current and fault monitoring, integrated brake wheels for easy mobility, optimized heat dissipation with efficient cooling fans, industrial-grade switches, and high-insulation reliable terminals. A comprehensive protection system includes over/under voltage, overload, short circuit, over temperature, phase loss, reverse phase and frequency protection, with switchable power supply/bypass working mode.
Why Choose SHLEIPUSI
As a professional industrial power voltage regulator manufacturer serving the global market, our products are CE and ISO9001 certified, meeting international safety and quality standards. We offer full OEM/ODM services, including custom parameters, appearance, logo branding and packaging, with free professional product photography for bulk orders. Every unit undergoes strict multi-stage quality inspection from raw material intake to final factory testing, ensuring zero defects and consistent performance. We support worldwide shipping with all mainstream Incoterms available, plus lifetime free technical guidance, video/on-site installation support, and free replacement of defective components under warranty. With a monthly capacity of 10,000 small-power units and 2,000 large-power models, we accommodate flexible orders with a minimum order quantity of just 1 set.
Technical Specifications
| Parameter |
Core Specification |
Fully Customizable |
| Product Name |
380V 400V Industrial Power Voltage Regulators |
Yes |
| Model |
SBW-500KVA |
Yes |
| Rated Capacity |
500KVA |
Yes |
| Input Voltage Range |
3 Phase 304-456VAC |
Yes |
| Rated Output Voltage |
3 Phase 380V/400VAC |
Yes |
| Working Frequency |
50/60Hz |
Yes |
| Output Accuracy |
±2% |
Yes |
| Display System |
Multifunctional LCD Screen |
Yes |
| Certificates |
CE, ISO9001 |
Yes |
| Working Mode |
Voltage Regulation / Bypass |
Yes |
Frequently Asked Questions (FAQ)
- What industrial applications are your 380V 400V power voltage regulators suitable for?
They are ideal for factory power systems, CNC machines, photovoltaic inverters, EV charging stations, hospital medical equipment, generators, elevators and all heavy-duty industrial equipment requiring stable 380V/400V 3 phase power.
- What is the lead time for 380V 400V industrial power voltage regulators?
Standard models ship within 3-7 working days; custom bulk orders take 20-30 days based on specifications.
- How do you control the product quality of your voltage regulators?
We have professional quality inspection teams monitoring the entire production process, and only products passing full performance tests are shipped.
- What are your accepted payment terms?
30% deposit for standard products, at least 50% advance payment for custom orders, with full balance settled before shipment.
- Do you provide technical support for product installation?
Yes, our professional technical team offers full installation and application guidance, including remote video and on-site support worldwide.
- What packaging do you use for the industrial voltage regulators?
Large units use reinforced seaworthy wooden cases, while small models use high-strength cartons for transit protection.
- Do you accept OEM/ODM orders with our brand logo?
Yes, we provide full OEM/ODM services, including custom logo printing on products, manuals and packaging for bulk orders.
- What are your main global markets?
Our 380V 400V industrial power voltage regulators are sold worldwide, covering Central Asia, East Asia, South Asia, Africa, South America and North America.
- What is your minimum order quantity (MOQ)?
Our MOQ is 1 set for both standard and custom industrial power voltage regulators.
- Can you customize capacity and voltage for my specific project?
Yes, we fully customize input/output voltage, rated capacity, protection functions and design to match your industrial, medical or renewable energy project needs.
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