Fangrui Product Details 1. Self-powered, No External Power Supply Required. 2. Action Current 0.2-30a Ac, Adjustable With A Potentiometer. 3. Led Indicator Can Conveniently And Intuitively Indicate The Working Status Of The Switch. 4. High-power Mos Tube Contactless Electronic Switch. 5. The Switch Has On The Number Of Opening And Closing, And The Reaction Speed Reaches The Ms Level. Straight-through Structure Design, Isolation Withstand Voltage Up To 2000v. Hysteresis Is Less Than And Can Be Used Under Strong Magnetic Conditions. The Outer Casing Is Made Of Self-extinguishing Material Abs. Suitable For Ac Current Measurement And Monitoring, Ac Motor Overload Protection, Electronic Switch Of Automatic Control System And So On. Model: Szc23-no-al-ch Power Supply: Not Required Rated Load: Less Than Equal 0.5a 240v Input Current: 0.2-30a Ac Switch On Minimum: 0.50.2a Maximum Overload: Leakage Current: Less Than Equal 0.1a Accuracy: Hysteresis: Less Than Equal Response Time: Less Than Equal 200ms Repeatability: 100