50 kVA 3 phase Industrial AC Automatic Voltage Stabilizer

5 out of 5 based on 3 reviews | Write a review

$6,829.23

3 phase industrial full automatic compensated voltage stabilizer with 50 kVA capacity, 380V output, input voltage range is 304V-456V AC (+/- 20% tolerance). The high quality voltage stabilizer is manufactured using the best quality components and progressive technology and is extensively used in various industrial applications.

Output Line Voltage (L+L) *
Output Accuracy *
Input & Output Neutral Selection *

SKU: ATO-AVS-3P50K

Qty:

30-day Returns

Delivery date: 10-20 days

Overview

50 kVA Voltage Stabilizer Features

Three phase 4-line 175V-265V (phase voltage) 304V-456V AC (line voltage) of wide input voltage range, 380V output
High technology with computer programming control
The high accuracy of the output voltage (output voltage can be customized)
Perfect protection function: Over/ low voltage protection, over heat/ load protection, short circuit protection
High efficiency: More than 95%

50 kVA 3 phase Industrial AC Automatic Voltage Stabilizer is widely used in post and telecommunications, department stores, elevators, hospitals, schools, printing, securties and other occasions where all needs normal voltage to ensure, such as workshop mines medium enterprises, some of the important equipment and computer power and support.

50 kVA Voltage Stabilizer Specifications

Model Number	ATO-SBW/ZBW-50K
Capacity	50 kVA (The power capacity of voltage stabilizer needs to be 1.5~2 times greater than the load power)
	User Manual for 30kVA-3000kVA 3-phase voltage stabilizer
Phase	3 Phase 4-line
Input Voltage Range	±15% tolerance for all standard output voltages above 380V. ±20% tolerance for required 380V output and all standard voltages below.
Output Voltage	3 phase 380V (Optional: 110V/ 120V/ 208V/ 220V/ 230V/ 240V/ 400V/ 415V/ 440V/ 460V/ 480V)
Output Accuracy	±2~4%/ ±1% (Optional) * In case of output accuracy of +/- 2-4%, the voltage stabilizer will be servomotor based, and in case of output accuracy of +/- 1%, the voltage stabilizer would be SCR based.
Frequency	50Hz/60Hz
Current Type	AC
Efficiency	≥95%
Response Time	≤1.5S
Ambient Temperature	-15°C~+40°C
Cooling Method	Naturally air cooled
Insulation Resistance	≥5MΩ
Electricalintensity	Without breakdown and flashover phenomena at power frequency sine voltage 2000V for 1 min
Overload Capacity	Overload current (%)	Duration (min)
	20	≤60
	40	≤15
	60	≤5
Waveform Distortion	Non-lack fidelity waveform
Protection	Over-voltage, over-current, feed phases
Protection Grade	IP 24
Warranty	24 months
Certificate	ISO9001:2008, CE
Weight	350 Kg
Package Size	800x620x1350 mm

3 Phase Voltage Stabilizer Schematic Diagram

three phase voltage stabilizer schematic diagram

Industrial Voltage Stabilizer Inner Detail

Tips: Why is the voltage of a 50kVA industrial voltage stabilizer unstable?

The input voltage is too high or too low. The voltage range of 50kVA three-phase instrial voltage stabilizer is 304V-456V. If the input voltage exceeds the regulated range or is very low, the automatic protection system of the regulated power supply will start, thus causing the output voltage to be unstable or stop working directly.
The input voltage is unbalanced in three phases, that is, the voltage of one of the three phases of the stabilizer is unstable, which will also lead to the output voltage of the stabilizer is unstable.

Existing reviews of 50 kVA 3 phase Industrial AC Automatic Voltage Stabilizer

Problems with machine heating

We are running a CNC Router. This has a high-speed motor starting and stopping as well as vacuum pumps starting and stopping. Our power supply ranges from 495 to 468 volts. Which is within range for 5% or - 480 volts. However, when we check power leg to leg, we consistently have 1 leg of power that is lower than the other 2 legs. Usually within 2 - 3% though. The machinery company would like to see all 3 legs of power closer equal. The stabilizer does that, but it also stabilizes and tries to keep it within 1 - 2% accuracy. I think that's asking too much of any stabilizer with the machine we have attached to it. It just can't quite keep up. Our power accuracy is fine for the most part. I just wish we could level out the power leg to leg. The stabilizer keeps up for a while but eventually, it can't keep up, and it overheats. and trips the breaker. What's this for?

From: james | Date: 08/01/2024

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ATO Responded

If the stabilizer is overheated and triggers the circuit breaker to trip, it may be that the ventilation and heat dissipation of the on-site environment are Not good enough, or the stabilizer may be overloaded. Especially overload problems are most likely to trigger stabilizer trip failures.

Confirm before buying

I see the spec on this 50kVA 3 phase voltage stabilizer that states /- 1%. The question I have is for input voltage changes of, say -(1-2)%, what is the expected output voltage variation? I would assume at least 50% to 80% of loading capacity.

Also, what impact would be on the output if the above 1-2% voltage fluctuation is fast… what is the expected output fluctuations for the first few cycles of the input fluctuation?

From: Nahum Ayestas | Date: 28/12/2020

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ATO Responded

1. If the accuracy of the Voltage Stabilizer is +/- 1%, then when the input voltage changes to +/- (1-2)%, the expected output voltage variation is still withing ±1%.
2. If the input voltage fluctuation is fast, the Voltage Stabilizer output voltage will not be affected, and the expected output voltage variation is still ±1%.

This is a fantastic device

This is a fantastic device. We live in an area where the power fluctuates. This is not good for electronics. This automatic voltage stabilizer works great in keeping our electronics safe.

From: Kaled Serdio | Date: 19/12/2019

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