Housing for control devices, 22 mm, round, housing material plastic, housing top yellow, 1 command point plastic, with protective collar, A=EMERGENCY STOP mushroom pushbutton red, 40 mm, twist-to-release, 1 NC, screw connection, floor mounting, 1xM20 each at the top and bottom SIRIUS ACT housing for mounting the 22.5 mm control and signaling devices when control units and control cabinets are arranged separately.Under the brand name SIRIUS ACT, Siemens offers a unique portfolio of control 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 graphic 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.Available versions: yellow/gray, plastic/metal, 1-6 command points, empty housing/pre-assembled, optionally with AS-Interface connection.SIRIUS ACT - Performance in Action when commanding and reporting. Simply installed, simply powerful, simply perfect.