Servo Voltage Stabilizer
We manufacture and supply servo voltage stabilizers. Please feel free to contact us. Click the button for a quick reply.
Key Information
- Capacity：1KVA-2000KVA
Input Voltage: AC 304-456V or customized；
Output Voltage: AC 380V or customized；
Voltage Regulation Accuracy：±3%；
Full Certifications: CE, 3C, UL, KC, RoHS / REACH, etc；
OEM & ODM Servic；
Protection Functions: Over/Under Voltage, Short Circuit；
Servo voltage stabilizers have fast response speed, good output waveform, and the capability to handle high-power loads; they are suitable for industrial, commercial, medical, and communication environments with severe grid voltage fluctuations and frequent load variations；
Minimum Order Quantity: 1 Set；
| Item | Specification |
|---|---|
| Rated Capacity | 1 kVA – 4000 kVA (customizable) |
| Input Voltage Range | AC 304–456 V (three-phase, customizable) |
| Output Voltage | AC 380 V / 400 V ±1–2% |
| Frequency | 50 / 60 Hz |
| Regulation Method | SCR + IGBT bidirectional solid-state |
| Response Time | ≤ 20 ms |
| Efficiency | ≥ 98% |
| Phase Control | Independent phase regulation |
| Cooling Method | Forced air cooling |
| Protection | Over/under voltage, overload, short circuit, phase loss |
| Operation Mode | Continuous 24/7 operation |
Relay Voltage Stabilizer vs Servo Voltage Stabilizer vs Static Voltage Stabilizer
| Features | Relay Voltage Stabilizer | Servo Voltage Stabilizer | Static Voltage Stabilizer |
|---|---|---|---|
| Voltage Accuracy | Low (±8%~±10%) | Medium (±1%~±5%) | High (within ±1%) |
| Adjustment Method | Stepwise relay-based tap switching | Servo motor-driven continuous adjustment | Static electronic control (IGBT/thyristor) |
| Adjustment Speed | Slow, with delays during relay switching | Moderate, suitable for mid-level voltage fluctuations | Fast, ideal for dynamic and instantaneous changes |
| Mechanical Wear | Yes, due to relay operation | Minimal, as servo motor wear is limited | None, fully electronic with no mechanical parts |
| Service Life | Short, due to relay wear | Longer, limited by mechanical components | Long, no mechanical wear |
| Voltage Fluctuation Handling | Average, suitable for small voltage fluctuations | Moderate, capable of handling larger fluctuations | Excellent, suitable for frequent and rapid voltage changes |
| Output Capacity | Low (typically below 10 KVA) | High (up to 5000 KVA) | High (thousands of KVA) |
| Cooling Method | Air-cooled | Air-cooled or oil-cooled (depending on capacity) | Air-cooled or oil-cooled (depending on capacity) |
| Installation & Maintenance | Simple, low cost | Moderate, requires maintenance of servo motor | High, complex technology with higher maintenance costs |
| Noise Level | Audible relay switching noise | Noise from motor operation | Silent |
| Application | Household appliances, small office equipment | Industrial equipment, precision instruments | Medical equipment, large industrial setups, data centers |
| Cost | Low | Moderate | High |
Our Servo Voltage Stabilizer Workshop
Our 13,000 ㎡ voltage stabilizer workshop runs 25 production lines, supported by a mold center, product testing lab, and dedicated workshops for winding, assembly, sheet metal work, and aging tests. With 200 team members, including 32 technical engineers, we produce over 1,000 voltage stabilizers daily.
Quality Control
- Every voltage stabilizer undergoes a 100% routine inspection before shipment:
Visual & mechanical check → Safety tests (insulation, dielectric strength, earth continuity) → Regulation performance test at no-load / half-load / full-load → Protection function verification (OV/UV/overload/short-circuit/over-temperature) → Full-load aging test → Noise & display check → Final inspection, record filing & packaging. - Max voltage regulation accuracy: ±1%, THD ≤3%, full-load efficiency ≥95%.
- Our products meet IEC standards with CE & RoHS certifications.
Projects
Contact Us
We’d love to hear from you! Please send us a message using the form now. We will contact you within one working day. Please watch for emails from addresses ending in “@kesunme.com.”
