173-6792, Siemens, Siemens SIRIUS ACT 3SU11 Series Push Button Complete Unit, Panel Mount, 22mm Cutout, SPST, Brand Siemens, Series SIRIUS ACT 3SU11, Panel Cut Out Diameter 22mm Siemens SIRIUS ACT 3SU11 Series Push Button Complete Unit, Panel Mount, 22mm Cutout, SPST