Siemens Illuminated pushbutton, momentary contact, red, 1NO

Product Overview

This SIRIUS ACT illuminated pushbutton is designed for reliable switching and control applications in industrial environments where visual feedback and enhanced visibility are essential. The 22mm round pushbutton features a robust plastic construction with a red flat button design and integrated LED illumination, providing excellent tactile feedback and clear operational status indication. This complete unit includes a holder with 1 NO contact, integrated LED module operating at 24V AC/DC, and screw terminals for secure installation and wiring.

Key Features

• Size: 22mm diameter round design
• Construction: High-quality plastic body with red flat button
• Illumination: Integrated LED module with 24V AC/DC operation
• Contact Type: Momentary contact operation
• Contact Configuration: 1 NO (normally open) contact included
• Terminal Type: Screw terminals for secure connections
• Button Style: Flat surface design for precise operation
• Mounting: Panel mount with 22mm cutout diameter
• Protection Rating: IP66/IP67/IP69K - providing protection against dust, water immersion, and high-pressure cleaning

Technical Specifications

• Article Number: 3SU1102-0AB20-1BA0
• EAN: 4011209957152
• Series: SIRIUS ACT 3SU11
• Net Weight: 0.056 kg
• Push Button Diameter: 29.45mm
• Panel Cutout Diameter: 22mm
• Operating Temperature Range: -25°C to +70°C
• Maximum Voltage: 500V AC/DC
• Contact Configuration: SPST (Single Pole Single Throw)
• Contact Current Rating: 10A at 500 VAC/VDC
• LED Supply Voltage: 24V AC/DC
• Packaging: 40.00 x 100.00 x 30.00 mm
• Country of Origin: Germany

Illumination Specifications

• LED Module: Integrated LED with 24V AC/DC operation
• LED Type: Energy-efficient LED technology
• Illumination Color: Red (matches button color)
• Voltage Range: 24V AC/DC ±20%
• LED Life: Extended operational life for continuous use
• Visibility: High-brightness LED for enhanced visibility in industrial environments

Electrical Specifications

• Contact Arrangement: 1 NO (normally open)
• Terminal Connection: Screw terminal
• Contact Voltage Rating: Up to 500V AC/DC
• Contact Current Rating: 10A maximum
• Contact Material: Silver alloy for reliable conductivity
• Contact Reliability: Industrial-grade performance
• Number of Command Points: 1
• Switching Function: Momentary operation with spring return

Protection & Certifications

• Degree of Protection: IP66/IP67/IP69K
• NEMA Ratings: 1/2/3/3R/4/4X/12/13 compliant
• IP Rating: IP20 (terminals)
• RoHS Compliance: Compliant since 01.10.2014
• Export Control: AL: N / ECCN: N
• WEEE Take-Back: Yes, compliant with 2012/19/EU directive
• Environmental Resistance: High resistance to oils, aggressive vapors, and caustic solutions

Applications Part of the SIRIUS ACT portfolio, this illuminated pushbutton is ideal for industrial control applications requiring reliable momentary switching with clear visual feedback. The red color follows international standards for stop/danger functions or emergency operations, while the integrated LED illumination provides immediate visual confirmation of switch activation and system status. Perfect for control panels, machinery interfaces, alarm acknowledgment, emergency stop circuits, and automation systems where operator feedback and enhanced visibility are critical requirements.

Product Series Information Under the brand name SIRIUS ACT, Siemens offers a comprehensive portfolio of illuminated pushbuttons and signaling devices with global product approvals. The innovative snap-on concept makes installation easy and can be done with one hand without special tools. Groove-free holes are adequate as mounting holes since full twist prevention is already integrated through the patented holder design. The rugged devices feature IP69K protection for use in harsh industrial environments and outdoor applications, with resistance to dust, oils, and caustic solutions. High-pressure cleaning is possible without compromising illumination or operational reliability.

Download existing graphical data for this product:

• Official Product Datasheet (PDF)
• Product Support Page
• Technical Documentation
• Product Catalog Page