Material: Flame retardant PC material, high temperature resistance; Premium copper parts with silver alloy contacts. Suitable for mounting board thickness between 1mm to 5mm. Ideal for electrical wiring in power switches, speed switches, and asynchronous motors for start-up and reversing, and can be used for control circuit conversion. Widely used as circuit control switches, test equipment switches, motor control switches, master control switches, signal transfer switches, or change-over switches for electric welding machinery and other equipment. Product Name: HZ5B-20/4 4 Phase Universal Rotary Changeover Cam Switch. Specification: Latching Selector; Ui: 660V, Ith: 20A; 4 Phase 16 Terminals. Rating: AC-3: Ue AC380V Ie 10A. Model: HZ5B-20/4. Color: As shown. Material: Plastic. Package Contents: 1 x 4 Phase Universal Rotary Changeover Cam Switch. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm.