Actuator; Switch; P/B; Maintained; Round; 29mm; Plastic Bezel; Black Opaque Lens; 22.5mm
可配置元件，主体 按钮，圆形 不发光
得捷:
704.040.0X PUSHBUTTON/ MNT/ RN
Allied Electronics:
Actuator; Switch; P/B; Maintained; Round; 29mm; Plastic Bezel; Black Opaque Lens; 22.5mm