{"product_id":"siemens-sirius-act-3su11-plastic-mushroom-emergency-stop-complete","title":"Siemens SIRIUS ACT 3SU11 Mushroom \u0026 E-Stop Buttons, Plastic (Complete)","description":"\u003cp class=\"ps-intro\"\u003eComplete SIRIUS ACT mushroom and EMERGENCY-STOP pushbutton units with black plastic front ring, holder and contact modules, to ISO 13850 and IEC 60947-5-5.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eRed mushroom 30 mm or 40 mm diameter\u003c\/li\u003e\n\u003cli\u003eEMERGENCY-STOP versions with positive latching and positive-opening NC contacts (IEC 60947-5-1 Annex K)\u003c\/li\u003e\n\u003cli\u003ePull-to-unlatch or rotate-to-unlatch versions\u003c\/li\u003e\n\u003cli\u003eOptional self-adhesive yellow backing plate 75 mm with marking\u003c\/li\u003e\n\u003cli\u003eScrew or spring-loaded terminal versions\u003c\/li\u003e\n\u003cli\u003eCan be used with 3SK safety relays\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct line\u003c\/th\u003e\n\u003ctd\u003eSIRIUS ACT 3SU1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice type\u003c\/th\u003e\n\u003ctd\u003eComplete unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront ring\u003c\/th\u003e\n\u003ctd\u003ePlastic, black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting diameter\u003c\/th\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eISO 13850, IEC 60947-5-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 1235-1236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1BA20-1CA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Mushroom pushbutton, latching | Mushroom: Red 40 mm | Unlatching: Pull to unlatch | Contacts: 1 NC | Marking: None | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1BA20-1FA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Mushroom pushbutton, latching | Mushroom: Red 40 mm | Unlatching: Pull to unlatch | Contacts: 1 NO + 1 NC | Marking: None | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1BA20-3CA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Mushroom pushbutton, latching | Mushroom: Red 40 mm | Unlatching: Pull to unlatch | Contacts: 1 NC | Marking: None | Connection: Spring-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1BA20-3FA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Mushroom pushbutton, latching | Mushroom: Red 40 mm | Unlatching: Pull to unlatch | Contacts: 1 NO + 1 NC | Marking: None | Connection: Spring-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1GB20-1PA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 30 mm | Unlatching: Rotate to unlatch | Contacts: 2 NC | Marking: None | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1PA0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm | Unlatching: Rotate to unlatch | Contacts: 2 NC | Marking: None | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HA20-1CH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Pull to unlatch | Contacts: 1 NC | Marking: NOT-HALT | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HA20-1FH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Pull to unlatch | Contacts: 1 NO + 1 NC | Marking: NOT-HALT | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HA20-1FG0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Pull to unlatch | Contacts: 1 NO + 1 NC | Marking: EMERGENCY STOP | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1CF0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NC | Marking: None | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1CH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NC | Marking: NOT-HALT | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1CG0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NC | Marking: EMERGENCY STOP | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1CJ0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NC | Marking: ARRET D’URGENCE | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1PG0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 2 NC | Marking: EMERGENCY STOP | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1FH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NO + 1 NC | Marking: NOT-HALT | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1FG0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NO + 1 NC | Marking: EMERGENCY STOP | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-1FJ0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NO + 1 NC | Marking: ARRET D’URGENCE | Connection: Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-3CH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NC | Marking: NOT-HALT | Connection: Spring-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3SU1100-1HB20-3FH0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: EMERGENCY-STOP | Mushroom: Red 40 mm, yellow adhesive plate 75 mm | Unlatching: Rotate to unlatch | Contacts: 1 NO + 1 NC | Marking: NOT-HALT | Connection: Spring-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535298265378,"sku":"3SU1100-1BA20-1CA0","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-act-3su11-plastic-mushroom-emergency-stop-complete.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-act-3su11-plastic-mushroom-emergency-stop-complete","provider":"ProSource MRO","version":"1.0","type":"link"}