The installation aperture of this series of products is 22,25,30 mm.
Product keywords：Plastic Push Button Switch， Plastic Signal Lamp，
Emergency Stop Switch， Emergency stop switch，
Selector switch， Select button， Key button， Key-Lock Switch,
The product has stable performance, low contact resistance, strong insulation and vibration resistance.
Characteristic of impact resistance; meeting IEC 60947-5-1, GB14048.5 and other standards
Contact Configuration: 1NO1NC/2NO2NC/3NO3NC/4NO4NC
Operating Types: Signal Indicator/Self-locking Button/High Button/Mushroom Button/Mushroom Button/Self-locking Button/Stop Switch/Knob/Selection Switch/Key Switch
IP Degree: IP40, IP67
Mechanical life: 1 million self-locking buttons, 500,000 key buttons, 200,000 emergency stop buttons
Electrical life: more than 50,000 times
The Crust Material: Plastics
Working ambient temperature: - 25 ~55 (+no freezing)