... AC Use Life: 10,000 cycles Customized Switches are available Push Button Switches/ Keyboard Switches (3800 Series) Technical Parameter ... Spring: stainless steel Stationary terminal: Copper alloy Spring: Steel L Push Spring: Steel Certifications: CE, CQC, UL, TUV, CB, ... ROHS Drawings: #3800-4F: Different Button Caps as below: Push Button Switches/ Keyboard Switches Why choose us ? 1.Introduction : ...