EM. STOP MUSHROOM PUSHBUTTON, 40MM, RED. Mounting Type: Panel Mount. Reset Method: Pull-To-Unlatch. Normal State Configuration: NO/NC. Cutout Diameter: 22.3mm. Supply Current: 10 A. Auxiliary Contacts: NO/NC/CO. IP Rating: IP20, IP66, IP67, IP69, IP69K. Push Button Actuation: Latching. Supply Voltage: 5 → 500 V ac/dc. Range: SIRIUS ACT. Series: 3SU1. Width: 75mm. Dimensions: 75 Dia. x 117 mm. MPN: 3SU1100-1HA20-1FH0, Siemens