It is an IP65 rated product.
The shell is made of copper-plated chromium, the head of which is aluminium oxide red, with “STOP” emergency stop sign, and can be customized stainless steel
Dust-proof/corrosion-resistant/temperature-resistant; high mechanical life, quality assurance;
The switch contact type is 1NO1NC/2NO2NC optional.
Open Type Description: All of them are holding type: after pressing the button on the mushroom head and releasing the hand, the button on the mushroom head keeps shorter, the open contacts become closed (that is, the closed contacts become open), and the closed contacts become open (that is, the open contacts become closed). When the key is released to 90 degrees of rotation, it bounces up and resets, and the open and closed contacts are reset separately.
Install diameter:19mm
Switch rating: 3A/250VAC
Function: Emergency stop switch(1NO1NC/2NO2NC)
Terminal: Pin terminal
Crust material: stainless steel
 IP rating: IP65
Temperature: – 40 to 75 Degree