Siemens Illuminated pushbutton, plastic, yellow, 1NO+1NC, 22mm

Product Overview

This SIRIUS ACT illuminated pushbutton is designed for reliable switching and control applications in industrial environments where visual feedback, enhanced visibility, and versatile contact configurations 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 dual contact configuration (1 NO+1 NC), integrated LED module operating at 24V AC/DC, and screw terminals for secure installation and wiring in complex control applications.

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 + 1 NC (dual contact arrangement) for enhanced functionality
• 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: 3SU1102-0AB20-1FA0
• EAN: 4011209957039
• Series: SIRIUS ACT 3SU11
• Net Weight: 0.141 lb (0.064 kg)
• Push Button Diameter: 29.45mm
• Panel Cutout Diameter: 22mm
• Opening Width: 29.5mm
• Opening Height: 11mm
• Operating Temperature Range: -25°C to +70°C
• Maximum Voltage: 500V AC/DC
• Contact Configuration: SPDT (Single Pole Double Throw - 1 NO + 1 NC)
• Contact Current Rating: 10A at 500 VAC/VDC
• LED Supply Voltage: 24V AC/DC
• Packaging: 5.945 x 3.898 x 1.378 inches
• 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 industrial use
• Visibility: High-brightness LED for enhanced visibility in industrial environments

Electrical Specifications

• Contact Arrangement: 1 NO + 1 NC (one normally open + one normally closed contact)
• Terminal Connection: Screw terminal
• Contact Voltage Rating: Up to 500V AC/DC
• Contact Current Rating: 10A maximum
• Contact Material: Silver alloy for reliable conductivity and long service life
• Contact Reliability: Industrial-grade performance with high cycle life
• Number of Command Points: 1
• Switching Function: Momentary operation with spring return
• Dual Contact Benefits: Simultaneous switching of two independent circuits

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 10/01/2014
• 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 and dual contact functionality. 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. The 1 NO + 1 NC contact configuration provides exceptional flexibility for complex control circuits, safety interlocks, redundant signaling, and applications requiring simultaneous control of multiple systems. Perfect for control panels, machinery interfaces, alarm acknowledgment, emergency circuits, motor control applications, and automation systems where operator feedback, enhanced visibility, and versatile contact arrangements 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. The dual contact configuration enhances system flexibility while maintaining the same compact footprint.

Download existing graphical data for this product:

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