3SU1851-0AG00-4NB1 SIEMENS3SU18510AG004NB1

Enclosure for command devices, 22 mm, round, enclosure material metal, enclosure top part gray, 1 control point metal, A=Pushbutton yellow, 1 NO, spring-loaded terminal, floor mounting, silver label, black font, with graphic symbol: Error, M12 connector (5-pin) bottom, insulated reserve conductors Label glued in