... adjustable 25%, 50%, 75% .100%(optional)13. Suitable for solar system, motor, water pump ,Wind turbine air conditioner, etc. 1. Features ... %, 20s for over 150sShort circuit protectionFault after 10 secs Electric Fans Thermo -controllingStatic Consumption < 10 WattsSurroundingsTemperature, humidity0-50 °C ,90%, no condensingSurge ...