• Manufacturer: Siemens
• Series: SIRIUS ACT (3SU11)
• Product Type: Pushbutton complete unit
• Model Number: 3SU1150-0AB30-1BA0

Function & Operation

• Momentary pushbutton (spring return type)
• Complete unit supplied with actuator, holder, and contact block
• Suitable for industrial control and signaling applications
• Designed for panel-mounted control stations

Actuator Details

• Mounting Diameter: 22 mm
• Actuator Type: Flat pushbutton
• Actuator Shape: Round
• Actuator Color: Yellow
• Material (Front): Metal, shiny finish
• Outer Diameter: ~29.45 mm

Electrical Specifications

• Contact Configuration: 1 NO (Normally Open)
• Rated Insulation Voltage: 500 V
• Rated Voltage (AC/DC): Up to 500 V
• Surge Withstand Voltage: 6 kV
• Connection Type: Screw terminals

Mechanical Specifications

• Mounting Type: Panel mount
• Protection Rating: IP66 / IP67 / IP69K (front protection)
• Number of Contact Modules: 1
• Net Weight: ~0.069–0.096 kg

Operating Conditions

• Minimum Operating Temperature: −25°C
• Pollution Degree: 3

General Notes

• Belongs to the 22 mm metal pushbutton family used widely in industrial control panels.
• Suitable for start, reset, or auxiliary control functions depending on wiring configuration.