When using a protective shroud the e-stop or stop-switch has to be turned by 180° to be mounted. See dimensional drawing
The protection shroud Part No. 84-909 is not suitable for a proper use of emergency-stop. It can obstruct a spontaneous operation of the emergency-stop switch
This shroud Part No. 84-906 is not compliant to EN ISO 13850. There are no restrictions when combined with stop switches.