Siemens SIRIUS ACT Illuminated Push Button Complete Unit Plastic Red 3SU1102-0AB20-1BA0

This SIRIUS ACT illuminated push button from Siemens stands out with its complete-unit plastic construction in red, ready for immediate installation in 22 mm panel cutouts. The momentary actuator returns to rest after each press, while the integrated red LED provides clear status indication at 24 V AC/DC.

Highlights

• Complete unit with actuator, holder, and contact module
• Red plastic actuator with black plastic front ring
• Integrated red LED illumination
• 1 NO + 1 NC screw terminal contacts
• High front protection: IP66, IP67, IP69, IP69K

In daily use

The spring-return action gives tactile feedback for control and signaling tasks. Screw terminals simplify wiring, and the robust front seal suits demanding environments. With a mechanical endurance of 10 million cycles, it is built for long service life.

Full specifications

• Series: SIRIUS ACT
• Design: Complete unit
• Actuator color: Red
• Actuator material: Plastic
• Front ring material: Plastic, black
• Mounting diameter: 22 mm
• Actuator action: Momentary (spring-return)
• Contacts: 1 NO + 1 NC
• Contact type: Screw terminal
• Illumination type: LED
• Illumination color: Red
• Supply voltage for illumination: 24 V AC/DC
• Degree of protection (front): IP66, IP67, IP69, IP69K
• Degree of protection (rear): IP20 (with terminal cover)
• Operating temperature: -25 to +70 °C
• Mechanical endurance: 10,000,000 cycles
• Rated insulation voltage (Ui): 500 V
• Rated impulse withstand voltage (Uimp): 6 kV

Final note

A reliable illuminated push button for industrial control panels, combining clear signaling with robust construction.