The SJW3 Servo Three Phase Voltage Stabilizer/Regulator is a high-performance device designed to provide stable voltage output, ensuring the safe and efficient operation of electrical equipment. This stabilizer uses a servo motor control mechanism to precisely adjust and stabilize the output voltage, making it ideal for industrial and mining enterprises where reliable power supply is critical.
Specification | SJW-10KVA up to 120KVA |
Input Voltage | 280V-430V AC or customized |
Output Voltage | 380V AC or customized |
Output Precision | ±3%(Adjustable) |
Frequency | 50/60Hz |
Power Factor | 0.8 |
Efficiency | >95% |
Control Type | Servo Type |
Operating Temperature | -10~+40ºC |
Over/Low Volt Protection | YES |
Circuit Protection | YES |
Digital Display | Show input and output voltage |
Placement: Ensure the stabilizer is placed in a well-ventilated area, away from direct sunlight and heat sources.
Input Power Supply: Verify the input voltage matches the stabilizer's rating (280V-430V AC).
Connections: Connect the stabilizer's input and output terminals to the power source and the equipment, respectively. Follow the wiring diagram provided in the manual.
Power On: After installation, power on the unit. The LED display will show the input and output voltage for monitoring.
Adjustment: Use the control panel to adjust the output voltage if necessary, ensuring it meets your equipment's requirements.
Precision Control: The servo motor ensures accurate voltage adjustment, protecting your equipment from power fluctuations.
Comprehensive Protection: Equipped with multiple safety features such as overload, short-circuit, and over-voltage protection.
High Efficiency: With an efficiency rating above 95%, the SJW3 stabilizer minimizes energy wastage.
Reliable Performance: Designed for long-term, continuous operation without waveform distortion, ensuring consistent output.
Customizable: Input and output voltages can be customized to meet specific operational requirements.
After Sales Service
Warranty: We provide a 1-year warranty for all our products.
Customer Support: Our dedicated support team is available to assist with installation, maintenance, and troubleshooting.














A1: Within One Year From The Sale Date, If There Are Any Accessory Problems,You Just Provide The Photos Of Damaged Accessory, Then We Will Provide Free Accessory.According To The Number Of Products, We Will Provide Easily Damaged Accessories For Free.We Also Can Provide Technical Support If You Need.
Q2: Can we put/show our own Logo on your products?
A2: Yes, no problem, however, the quantity should be a bit big.
Q3: Is OEM/ODM available?
A3: Yes, It Is! Our Products Can Be Customized.We Design And Produce All Kinds Of Automatic Voltage Regulators/Stabilizers According To Our Customers' Specific Requirements.
Q4: What is the MOQ? A4: For the small capacity products (Automatic Voltage Regulators/Stabilizers) of the default configuration, it is 10 sets. For the big capacity products, it is 1 set.
Q5: Can you offer Form A or Form E or C/O ?
A5: Yes, no problem, we can apply for it from our local government.
Q6: What kind of Certificates do you have?
A6: CE, ISO9001 and SGS.
Q7: What is the Terms of Payment?
A7: L/C, T/T, D/P, D/A, Western Union and MoneyGram (for Small-amount payment).