22-30mm 直径开孔，按钮开关
可配置元件，主体 按钮，圆形 发光
得捷:
ILLUMINATED MAINTAINED PUSHBUTTO
欧时:
Switch Series 04 Maint pushbutton body
贸泽:
Switch Actuators ACT SLEEVE-RND MNT
艾睿:
Switch Access Push Button Switch Round Actuator
Allied Electronics:
Actuator; Pushbutton; Round; Raised; Maintained; Plastic; Gray; IP65; 22.5mm