Send Message
Home > Products > High Power Voltage Stabilizer >
Full Automatic 3 Phase Servo Stabilizer 300 KVA 380VAC IP44 Waterproof

Full Automatic 3 Phase Servo Stabilizer 300 KVA 380VAC IP44 Waterproof

three phase voltage regulator

high power voltage regulator

Place of Origin:

Shanghai, China

Brand Name:

Ewen Power/OEM/ODM


CE, ISO:9001

Model Number:


Contact Us
Request A Quote
Product Details
High Power Voltage Stabilizer
Three Phase
Regulation Way:
Full Automatic
Payment & Shipping Terms
Minimum Order Quantity
1 pc
Packaging Details
Export Packing
Delivery Time
According to Quantity
Payment Terms
Supply Ability
400 pcs per Month
Product Description

Full Automatic 3 Phase Servo Stabilizer 300 KVA 380VAC IP44 Waterproof


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


Item Name High Power Voltage Stabilizer Three phase, full automatic
Product Brand Ewen OEM &ODM also acceptable
Place of Origin Shanghai, PRC /
Prodct Model SBW-300KVA /
Rated Capacity 300KVA /
Working Frequency 50Hz/60Hz 47-63Hz
Rated Input Voltage Range 304-456VAC normally Customization is acceptable
Rated Output Voltage 380VAC Customization is acceptable
Input Current


The current depends on the voltage
Output Current 455.82A The current depends on the voltage
Output Precison ±2% ±1% could be tailored
Insulation Class Class F/
Insulation Resistance ≥2/
Protection Class IP23 IP44 Waterproof class could be tailored
Working Temperature -15℃~45℃
Ambient Altitude <1000m
Temperature Rise <80℃ <60℃ 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


Fast reaction speed This high power voltage stabilizer is very allergic to voltage change. It would react within 1 second if the voltage fluctuates less than 10% of rated one.
Various protection functions Several protection functions are designed with the product, including over-voltage, over-current, over-load, under-voltage, time delay, short circuit, phase failure etc.
High output accuracy The output accuracy of this product is ±2%.
Availability for customization Customization is available. We coudl customize the product according to your needs.
Suitability for different loads This high power voltage stabilizer is suitable for inductive load, resistant load, and capacitve load.
Long service time This high power voltage stabilizer could work for more than 10 years.


4. Aftersale Services


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


One-year wanrranty period We provide one-year warranty for our customers to ensure the quality of our products.
Quick response We promise that we would respond within 48 hours as long as you have any question.
Professional technical support We have a professional technical team who could help you with special problems.



5. Product Details Display

Full Automatic 3 Phase Servo Stabilizer 300 KVA 380VAC IP44 Waterproof 0

Send your inquiry directly to us

Privacy Policy China Good Quality AVR Voltage Stabilizer Supplier. Copyright © 2019-2024 Ewen (Shanghai) Electrical Equipment Co., Ltd . All Rights Reserved.