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3-Phase High-Power Voltage Stabilizer – 100 kVA+
Industrial 3-phase voltage stabilizer 100 kVA to 2000 kVA. Servo or static type. 380V/400V/415V output, ±1-3% precision. Overload & short-circuit protection. Protect your critical industrial equipment from damaging voltage fluctuations. This three-phase high-power automatic voltage stabilizer is engineered for demanding industrial and commercial applications, available in capacities from 100 kVA up to 2000 kVA and beyond. Featuring precision servo motor control or advanced static (solid-state) technology, it delivers a stable 380V / 400V / 415V three-phase output with accuracy up to ±1%. Built-in comprehensive protection against over-voltage, under-voltage, over-current, short-circuit, phase loss, and over-temperature ensures maximum uptime for your production lines, CNC machines, medical equipment, and data centers. Custom capacity, voltage, and configuration available upon request.
Voltage instability is one of the leading causes of equipment failure, production downtime, and energy waste in industrial facilities. In many regions — particularly across South America, Africa, Southeast Asia, and the Middle East — grid voltage fluctuations, sags, surges, and phase imbalances are common and can severely damage sensitive machinery.
This three-phase high-power voltage stabilizer continuously monitors the incoming three-phase voltage and automatically corrects it in real time, ensuring your equipment always receives a clean, balanced, and stable power supply. Unlike standard stabilizers, this industrial-grade unit is built to handle heavy inrush currents, continuous 24/7 operation, and harsh industrial environments.
| Parameter | Value / Range |
| Model Range | SBW-100 kVA to SBW-2000 kVA |
| Number of Phases | Three-phase (3Φ + N + PE) |
| Input Voltage | 380V / 400V / 415V ±15% (standard); extended ±20% / ±25% available |
| Output Voltage | 380V / 400V / 415V (adjustable) |
| Output Accuracy | ±3% |
| Frequency | 50 Hz / 60 Hz |
| Capacity Options | 100 / 150 / 200 / 250 / 300 / 400 / 500 / 630 / 800 / 1000 / 1250 / 1600 / 2000 kVA (adjust) |
| Correction Method | Servo motor + carbon brush (standard) |
| Response Time | Servo: ≤ 1–3 s |
| Efficiency | ≥ 95% |
| Waveform Distortion | No additional distortion (servo) |
| Overload Capability | 120% for 10 min |
| Insulation Resistance | ≥ 5 MΩ |
| Dielectric Strength | 3000 VAC / 1 min (phase to ground) |
| Protection | OVP / UVP / OCP / SCP / OTP / Phase-loss / Phase-sequence |
| Display | Digital LED/LCD: input V, output V, current |
| Communication (Optional) | RS485, Modbus RTU, SNMP, dry contacts |
| Bypass | Manual bypass (optional ); automatic bypass (optional) |
| Cooling | Natural air convection / forced ventilation (auto-controlled fans) |
| Noise Level | ≤ 65 dB (servo) / ≤ 55 dB (static) at 1 m |
| Operating Temperature | –10 °C to +45 °C (standard); extended ranges available |
| Humidity | ≤ 95% RH (non-condensing) |
| Altitude | ≤ 1000 m (derating above; consult factory) |
| Protection Rating | IP20 (standard); IP23 / IP40 / IP54 (optional) |
Manufacturing & Processing – CNC machines, laser cutters, injection molding, packaging lines, textile machinery
Heavy Industry – Steel mills, cement plants, chemical processing, automotive assembly
Mining & Quarrying – Crushers, conveyors, drilling equipment
Medical & Healthcare – MRI, CT scanners, X-ray equipment, hospital power systems
Data Centers & IT – Servers, network equipment, UPS input conditioning
Commercial Buildings – Shopping malls, airports, hotels, high-rise office buildings
Infrastructure – Water treatment plants, pumping stations, railway signaling
Renewable Energy – Solar farm output conditioning, wind farm auxiliary power
Construction Sites – Tower cranes, concrete batching plants, temporary power
Packing: Export-grade wooden crate or steel skid, moisture-proof wrapping,
Transport: Suitable for 20 ft / 40 ft container depending on unit size and quantity.
Delivery Time: Typically 20 – 45 days after order confirmation (adjust to your actual lead time).
Incoterms: EXW / FOB / CIF / DDP – flexible terms available.
Documentation: Commercial invoice, packing list, Bill of Lading, Certificate of Origin, factory test report, CE certificate.
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