Automation Direct distributes 22mm illuminated and non-illuminated emergency stop switches that feature metal or plastic construction.

Automation Systems Interconnect Inc. manufactures plastic emergency stop buttons/switches and metal base, panel mount plastic emergency stop buttons. Featuring mushroom heads, the switches are available with 40mm or 60mm buttons, and in momentary, maintained, pull-to-release, maintained twist-to-release, and maintained twist-key-to-release.

Thermal Devices distributes a 60 mm emergency stop switch/button that is red mount style and mount in a 7/8"/ 22 mm home. The button includes one normally-closed contact that's block rated at 10 A/240 VAC.