Specification: Item Type: Adjustable Voltage Protector Material: Plastic Model: STVP-936 Rated Voltage Three-Phase Four-Wire: 230V/400VAC 50/60Hz Current Rating: 1-80A adjustable(default 80A) / 1-63A adjustable(default 63A) / 1-50A adjustable(default 50A) Overvoltage Protection Value Range: 221V-300V-OFF (default value 280V) Overvoltage Recovery Value Range: 220V-299V (default value 250V) Overvoltage Protection Action Time is Adjustable: 0.1 Seconds-10 seconds (default value is 0.2 seconds) Undervoltage Protection Value Range: 219V-150V-OFF (default value 160V) Undervoltage Recovery Value Range: 220V-151V (default value 180V) Under Voltage Protection Action Time is Adjustable: 0.1 Seconds-10 seconds (default value 0.2 seconds) Overcurrent Protection Action Time: 1 Second - 512 seconds (default value is 5 seconds) Three-Phase Voltage Unbalance Protection Value Range: 5%-90%-OFF(default value is 25%) Phase Voltage Unbalance Protection Action Time: 0.1 seconds-10 seconds (default value 2.0 second) Power-On Delay Time: 2-255 Seconds (default value is 2 seconds) Failure Recovery Delay Time: 2-512 Seconds (default value is 60 seconds) Power Consumption: ≤3VA Display Mode: LCD Electrical Isolation Strength: >2000VAC, pulse 2.5KV 1.2/50μS Working Environment: Temperature -20℃~50℃, Humidity＜85%, Altitude: No more than 2000meter Size: Approx. 70 x 95mm / 2.8 x 3.7in, 65mm / 2.6in, 43mm / 1.7in, 45mm / 1.8in, 35mm / 1.4in Package List: 1 x Adjustable Voltage Protector 1 x User Manual

✔【LCD Screen】LCD voltage protector come with complete functions, stable performance and easy operation. ✔【Troubleshooting Self‑Resetting】The product possess the function of fault inquiry, voltmeter and ammeter, and the function of restoring factory settings. ✔【Multifunctional Protector】Integrate over‑voltage protection, under‑voltage protection, over‑current protection, three‑phase current (voltage) unbalance protection, phase sequence protection (phase dislocation protection), and phase‑break protection in one. ✔【Auto-adjust】When the line has overvoltage, undervoltage, or overcurrent status, the product can instantly cut off the power supply to protect the electrical equipment from being damaged; when the line voltage returns to normal, the protector can automatically turn on the power supply normally. ✔【STVP Series Automatic Reset】STVP series automatic reset over‑voltage under‑voltage multi‑function protector is a monitoring and auxiliary protection device instrument, suitable for three‑phase four‑wire power system or electrical equipment.