Siemens SIRIUS ACT Illuminated Push Button, Complete Unit, Plastic, Red, 22mm, 1NO+1NC, 24V AC/DC LED 3SU1102-0AB20-1CA0

Control panels in harsh industrial environments need reliable, easy-to-see actuators that withstand frequent use and demanding conditions. The Siemens SIRIUS ACT illuminated push button provides a complete, ready-to-install solution with a red flat actuator and integrated LED illumination, ensuring clear status indication even in bright or dirty surroundings.

Who is it for

This device is intended for machine builders, panel builders, and maintenance technicians who require a robust, high-visibility push button for control circuits in industrial automation, packaging, and process applications. Its 22mm mounting diameter fits standard panel cutouts, and the complete unit design simplifies procurement and installation.

Main features

• Complete unit: actuator, holder, and contact module pre-assembled for quick mounting.
• Flat round actuator in red plastic for clear identification and easy operation.
• Integrated LED illumination powered by 24V AC/DC, providing bright status indication.
• Contact configuration: 1 normally open (NO) and 1 normally closed (NC) contact.
• Screw terminals for secure, maintenance-friendly wiring.
• High front protection: IP66, IP67, IP69, IP69K – suitable for washdown and outdoor use.
• Mechanical endurance of 10 million operating cycles for long service life.
• Wide operating temperature range from -25°C to +70°C.

Specifications

• Brand: Siemens
• Model: SIRIUS ACT
• MPN: 3SU1102-0AB20-1CA0
• EAN: 4011209957268
• Product type: Illuminated push button, complete unit
• Actuator type: Flat, round
• Actuator colour: Red
• Front ring material: Plastic
• Housing material: Plastic
• Illumination: Yes, integrated LED
• Supply voltage for illumination: 24 V AC/DC
• Contact configuration: 1 NO + 1 NC
• Connection type: Screw terminals
• Mounting diameter: 22 mm
• Degree of protection (front): IP66, IP67, IP69, IP69K
• Degree of protection (rear): IP20
• Mechanical endurance: 10,000,000 operating cycles
• Operating temperature: -25 to +70 °C

Tips

For panel cutouts, use a standard 22.5mm hole saw. Ensure the illumination voltage matches your control circuit (24V AC/DC). When wiring, follow the terminal markings on the contact block to avoid incorrect switching.