Omron offers three levels of 22mm Emergency Stop Switches that offer a variety of functions for enhanced safety and reliability. The standard A22E series offers easy installation and screw terminals. The A22NE series offers Push-in Plus terminals for greater vibration resistance and reduced wiring efforts. The new A22NE-PD offers maximum protection with Push-in Plus terminals, IP69K ratings and Lock detection contacts that provide an extra fail-safe mechanism in emergency shutdown.


  • Install in 22mm or 25mm diameter panel cutout
  • Push-In Plus terminal models available
  • Lock Detection Contacts to detect improper installation and damage to lock lever
  • IP65 and IP69K Rated models available
  • Models with up to four contacts are available
  • Lighted options available
  • Pull Reset and Turn Reset options available
  • 30mm, 40mm, 60mm Operator Heads available