Round washer for EMERGENCY STOP mushroom pushbutton, yellow, illuminated, thickness 5 mm, outer diameter 60 mm, inner diameter 23 mm, with label: EMERGENCY STOP EMERGENCY STOP backing plate for labeling the SIRIUS ACT command and signaling devices.Under the brand name SIRIUS ACT, Siemens offers a unique portfolio of command and signaling devices with worldwide product approvals in three modern design series made of robust real metal and high-quality plastic.The innovative snap-on concept simplifies assembly to such an extent that only one hand and no special tools are required. Groove-free holes are sufficient for mounting holes, as 100% anti-twist protection is already integrated.Thanks to the consistently high degree of protection, the robust devices are suitable for industrial use and outdoor use. Cleaning with a high-pressure jet is even possible. Neither dust, oils nor aggressive alkalis can disrupt reliable operation.In addition to standard wiring, most devices can also be connected to the controller via PROFINET, AS-Interface or IO-Link. This reduces your wiring effort, minimizes sources of error and gives you more flexibility.The graphical online configurator provides convenient support when selecting and ordering individual devices, housings and labels. Comprehensive documentation (e.g. manual, 3D data, connection diagram) is available.Comprehensive optional accessories (e.g. labels, for protection and access security, handling, housing accessories) are available.SIRIUS ACT - Performance in Action when commanding and reporting. Simply installed, simply strong, simply perfect.