Siemens 3SB2 Blue Push Button NO Momentary. Cutout Diameter: 16.2mm. Push Button Style: Flat. IP Rating: IP65. Maximum AC Voltage: 230V. Maximum DC Voltage: 230V. Mounting Type: Panel Mount. Body Material: Plastic. Minimum Operating Temperature: -25°C. Maximum Operating Temperature: +70°C. Maximum Current: 6 A dc, 10 A ac. MPN: 3SB2202-0AF01