Material: Flame retardant PC material, high temperature resistance; Premium copper parts with silver alloy point. Suitablefor the thickness between 1mm to 5mm of the mounting board. choicefor electrical wiring in the power switches, speed switches and asynchronous motor for their start-up and reversing, also can make the conversion of the control circuit. Widely usedas circuit control switches, test equipment switches, motor control switches and master control switches, signal transfer switches, or change-over switch for electric welding machinery and other equipment. Product Name:HZ5B-20/4. 4 Phase Universal Rotary Changeover Cam Switch Specification:Lacthing Selector; Ui:660V, Ith:20A; 4 Phase 16 Terminals Rating:AC-3: Ue AC380V Ie 10A Model:B:HZ5B-20/4. Colour:As Shown Material:Plastic Package Contents: 1 * 4 Phase Universal Rotary Changeover Cam Switch 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.