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300KVA High Power Voltage Stabilizer 3 Phase Avr Voltage Regulator 380V 400V

300KVA High Power Voltage Stabilizer 3 Phase Avr Voltage Regulator 380V 400V

avr auto voltage regulator

three phase voltage regulator

Place of Origin:

Shanghai, China

Brand Name:

Ewen Power


CE, ISO:9001

Model Number:


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Product Details
Rated Output Power:
Rated Frequency:
Input Voltage:
Output Voltage:
Temperature Rise:
Gross Weight:
550kg For Reference
Rated Capacity:
Payment & Shipping Terms
Minimum Order Quantity
1 pc
Packaging Details
Wooden Case
Delivery Time
According to Quantity
Payment Terms
Supply Ability
400 pcs per Month
Product Description

300KVA High Power Voltage Stabilizer 3 Phase AVR Voltage Regulator 380V 400V


1. Product Profile

This product is a 300KVA three phase high power voltage stabilizer or regulator. The rated capacity is 300KVA. The rated input voltage range is 304VAC to 456VAC. The output voltage is 380VAC. It's output precision is ±2% while the response time is less than one second when the input voltage fluctuates less than fifteen volts. The gross weight of it is 550kg or so.

There are numerous applicable scenes for this product. For instance, it can be used in industrial factories like steel plant, mining plant, and other places. Besides it could be spplied in regulating the voltage of places like school and hospitals. Also, it could be used with all kinds of electrical equipment to ensure the stable power supply.


2. Detailed Specifications


Please get the specifications of this 300KVA three phase high power voltage stabilizer from the chart below:

Item Name High Power Voltage Stabilizer (Three Phase, Full Automatic)
Item Brand Ewen (or OEM &ODM)
Place of Origin Shanghai, PRC
Item Model SBW-300KVA
Working Capacity 300KVA
Working Frequency 50Hz/60Hz
Rated Input Voltage Range 304-456VAC or customized according to your needs
Rated Output Voltage 380V±2% or customized
Input Current

455A (when the output voltage is 380V)

Output Current 455A (when the output voltage is 380V)
Output Precison ±2%
Insulation Class Class F
Insulation Resistance ≥2
Protection Class IP20
Working Temperature -10℃~40℃
Ambient Altitude <1000m
Temperature Rise Less than 80℃ normally
Dielectrical Strength 2000VAC/MIN
Product Efficiency >98%
Product Function Automatic Voltage Stabilization
Total Power Loss 1% of the rated capacity
Product Protections Short circuit, over-voltage, over-current, under-voltage, overload, over temperature, time delay, phase failure, lack phase, phase sequence etc.

3. Product Features


① Fast response speed: it just needs one second to respond when the voltage fluctuates less than 15V.

② High precision accuracy: the output voltage precision is ±2%. This is very beneficial for the normal performance of the electrical equipment.

③ Full protection functions: over-load, over-voltage, over-current, under-voltage, phase failure, phase sequence, lack phase, time delay protections all could be designed with the product.

④ Suitablity for customization: the three phase high power voltage stabilizer could be customized according to your needs. The input and output voltage all could be tailored. For example, the ultra low voltage range could be customized according to your requirements.

⑤ Suitability for various loads, like capacitive loads, inductive loads, and resistant loads.


4. Aftersale Services


We provide reliable aftersale services for our customers, please get a general idea of our aftersale services through the following description:


First, one-year warranty period is provided for you to ensure the sound performance of the product. As long as there are problems related to the quality of the product, we would respond as soon as possible.


Second, we promise that we respond very fast: within 48 hours after receiving your questions.


Thrid, we have a professional team of technicians to help you with all kinds of technical problems. When you have some technical problems, our technicians could help you through vedio calling.


Fourth, questions not related to the product you have bought from us are also welcome. We would try our best to help you with any question.


5. Product Details Display

300KVA High Power Voltage Stabilizer 3 Phase Avr Voltage Regulator 380V 400V 0

Please have a look at the ,ajor components of this 300KVA three phase high power voltage stabilizer. If you have any question, please let us know.

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