This is straight forward panel mount momentary push button. Blue color top cap (where you push). Two terminals which you can extend with wires to machine or controller. This is normally an Open switch, both terminals will be short and closed if the cap is pressed. We like it even if there is no LED, or bulb, yet it is robust and easy to use.

Features and Spec:

• Normally Open Momentary Push Button
• Multiple color cap (Red, Black, Yellow, Blue, Green and White)
• No LED or bulb
• Panel mount type with diameter of 12.0 mm
• Dimension: 21.6 mm x 17.5mm x 17.5mm (include terminal)
• Shaft/Mounting hole: 12.0 mm (diameter) x 7.5mm (length)
• Comes with mounting screw and washer