Emergency stop switch Suitable for 22mm and 25mm mounting ... long life time 1. Model LA115-A2-11Z Emergency stop switch2. FeatureEasy to AssembleΦ22mm, Φ25mm mounting diameterChoice ... illuminatedpush button, maintained push button, Mushroom push button, emergency stop button, selectorswitch, key switch, dual push button, and etc ... ≤90%Pollution degree: class 3Protection degree: IP65 emergency stop box