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SJW 3 Phase 40KVA Servo Voltage Stabilizer for Commercial Data Centers
3-Phase Servo Commercial Voltage Stabilizer
3-Phase servo AVR voltage stabilizer
High Power Voltage Stabilizer 3
High Power Voltage Stabilizer 4
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three phase automatic voltage stabilizer
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SJW 3 Phase 40KVA Servo Voltage Stabilizer for Commercial Data Centers
3-Phase Servo Commercial Voltage Stabilizer
3-Phase servo AVR voltage stabilizer
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High Power Voltage Stabilizer 4
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Home AC Voltage Stabilizer Servo Voltage Stabilizer (AVR) SJW 3 Phase 40KVA Servo Voltage Stabilizer for Commercial Data Centers
PC-TBR5KVA Single-Phase Voltage Stabilizer for Home Electronics
PC-TBR5KVA Single-Phase Voltage Stabilizer for Home Electronics
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20KVA Single-Phase Full Automatic AC Voltage Stabilizer AVR For Refrigerator
20KVA Single-Phase Full Automatic AC Voltage Stabilizer AVR For Refrigerator

SJW 3 Phase 40KVA Servo Voltage Stabilizer for Commercial Data Centers

The SJW 3 Phase 40KVA Servo Voltage Stabilizer is designed to deliver clean, stable, and reliable power for commercial facilities and modern data centers. With its high-accuracy ±3% voltage correction, servo motor control, and real-time digital monitoring, it ensures uninterrupted performance for sensitive IT loads, servers, networking equipment, and precision industrial electronics.

Built for 24/7 continuous operation, this stabilizer helps reduce equipment failure, prevent downtime, and extend the lifespan of mission-critical systems. For organizations that rely on stable power—data centers, telecom rooms, financial institutions, security monitoring hubs, hospitals, and manufacturing lines—SJW stabilizers provide a long-term, high-efficiency power protection solution.

Category: AC Voltage Stabilizer, Servo Voltage Stabilizer (AVR), Three Phase Stabilizer
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Description

Key Features & Advantages

✔ Engineered for Data Centers & Commercial Facilities

The 40KVA model supports high-density loads including:

  • Server racks & network switches

  • Storage arrays & UPS systems

  • Telecom equipment

  • Industrial automation systems

  • Precision laboratory electronics

✔ Wide Input Voltage Range Available

Choose from standard ranges AC 260–450V or 304–456V, or request a fully customized configuration to match local grid conditions.

✔ High Accuracy ±3% Output Regulation

Ensures stable 380V three-phase output, preventing overloads, overheating, and equipment malfunctions caused by power fluctuation.

✔ Advanced Servo Motor Control

Provides smooth, precise voltage correction with:

  • Fast response speed

  • Low distortion

  • High durability

  • Stable performance under heavy load

✔ Real-Time Digital Display

Monitor all key parameters directly on the panel:

  • Input voltage

  • Output voltage

  • Load ratio

  • Fault indicators

✔ Multiple Built-in Protections

Essential protection functions for critical IT equipment:

  • Over-voltage

  • Low-voltage

  • Overload

  • Short circuit

  • Over-temperature

  • Custom delay protection

  • Optional undervoltage protection

✔ High Efficiency >95%

Reduces energy consumption and heat generation, ideal for long-term and large-scale commercial operation.

Technical Parameters

Model SJW3-1.5KVA~120KVA
Phase Three phase
Input voltage AC 260-450V, 304-456V or customized
Output voltage AC 380V or customized
Frequency 50Hz/60Hz
Precision ±3%
Efficiency >95%
Control type Servo motor
Digital display Show input and output voltage,Load Ratio and Fault Indicator
Protection Overvoltage, Overload, Short circuit, Over temperature
Ambient temperature -10°C~+ 40°C
Relative Humidity <95%
Waveform Distortion No additional wave form distortion
Insulating Resistance Normally more than 2MΩ
Insulating Class Class B
 

 

 

Protection

Overvoltage Output Voltage ≥ 425V ± 4V
Low voltage Output Voltage ≤ 310V ± 4V
Over temperature 95℃±10℃
Delay protection Customizable
Undervoltage Disabled by default, customizable if needed
Power 10KVA 15KVA 20KVA 30KVA 40KVA
Size(mm)   L*W*H 490*320*520 490*320*520 490*320*520 410*460*880 410*460*880
N.W(kg) 35.5 41 46.5 85.5 95.5
Power 50KVA 60KVA 80KVA 100KVA 120KVA
Size(mm)   L*W*H 450*550*1195 450*550*1195 520*620*1335 520*620*1335 520*620*1335
N.W(kg) 121.5 136 158.5 186 198
The size and weight vary depending on the voltage range, and are subject to the customized actual product.

FAQ

1. Is the 40KVA stabilizer suitable for modern data centers?
Yes. It is designed specifically for continuous, high-load environments such as server rooms, telecom stations, and digital infrastructure facilities.

2. How does servo control improve voltage stability?
Servo motors correct voltage smoothly and precisely, ensuring high accuracy and protection for sensitive electronics without generating distortion.

3. Can I customize the input and output voltage?
Absolutely. We can tailor voltage ranges to meet your local grid and equipment requirements.

4. Does the stabilizer work with UPS systems?
Yes. It can be installed before UPS units to ensure clean input voltage and reduce UPS battery stress.

5. What happens if the voltage becomes too low or too high?
The stabilizer automatically triggers protective actions such as bypassing, shutdown, or delay start to ensure safety.

6. Is this equipment suitable for 24/7 operation?
Yes. It is built for continuous use and ideal for mission-critical facilities requiring constant power stability.

Looking for a reliable 3-phase servo stabilizer for your data center or commercial facility?
We offer OEM service, competitive factory pricing, and fast delivery.

👉 Contact us today for a quotation or technical support.
Our engineering team can help you choose the right model for your load requirements.

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