U21876,SWITCH HARDWARE
U21878,SWITCH HARDWARE
【Apem】U2187-8,
【Tripp Lite】U219-000-R,电缆（电缆组件） USB PS/2 Adapter
U2197,SEALING BOOT FOR SWITCH W/LEVER
U21J11ZQE22,摇臂开关与扳钮开关 DP ROCKER SWITCH
U21J15ZQE2,摇臂开关与扳钮开关 Rocker
U21J16Z3QE22,SWITCH ROCKER DPDT 5A 120V
