Threephase voltage stabilizer for a constant output voltage
GTEC threephase voltage stabilizer is a tool interposed between power supply network and connected equipment that provides a constant output voltage within narrow limits, for any voltage value within the regulation range, even in case of large variations of the mains.
STK function is to protect connected devices from damage due to fluctuations of the mains voltage.
Based on the regulation type, SMK series are divided in T series STK and Y series STK, which are both electromechanical type with digital electronic control.
T series STK is available from 3 to 300 kVA: these stabilizers are equipped with average value voltage regulation and the neutral connection is not needed.
Y series STK is available from 3 to 450 kVA, this series is instead equipped with independent voltage regulation on single phase and the neutral connection is needed.
GTEC three phase voltage stabilizers moreover offer top performance, such as insensitive to the value and to the load power factor, output harmonic distortion lower than 0.2%, high efficiency (more than 97%) and low weight/power ratio.
| Input Voltage | 400V |
|---|---|
| Frequency | 50-60Hz |
| Load Variation Range | 0-100% |
| Phase Unbalanced | ‹ 30% for T, – 100% for Y |
| Output Voltage Accuracy | +/- 1% |
| Max Overload | 150% / 1min |
| Load Power Factor | 0-1 |
| Efficiency | > 97% |
| Voltage Distortion: | ‹ 0,2% |
| Speed Regulation | ‹ 20msec/V |
| Cooling | Natural convention or forced convention |
| Ambient temperature | -25 ÷ +45 °C |
| Relative humidity | ‹ 95% |
| Colour | RAL 7035 |
| Protection | IP 20 T serie - IP21 serie Y |
More information
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