Fangrui Product Details Model : Sct013 Frequency : 50hz-150khz Retractable Former Sct-013 Opening Size:13mmx13mm Non-linearity (- Rated Input Current) 1.5m Leading Wire,3.5 3 Core Plug Standard Output. Two Form Of Output Current, Voltage (voltage Output Built-in The Sampling Resistor). Core Material: Ferrite Mechanical Strength: Opening And Closing Times, No Less Than 1000 Times 20 C Safety Indicators: Dielectric Strength 6000v Ac/1min Meet Ul94-v0 Flame Retardant Properties Operating Temperature: -25celsius~ +70celsius Applications: For Ac Motors, Lighting Equipment, Air Compressors And Other Current Measurement,monitoring And Protection. Colour:blue+black Material:plastic Type:10a 1v/50a 1v/100a 50ma/20a 1v Package Contents: 1 X Current Former Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.