Siemens Pushbutton, round, plastic, flat, green, 1NO + 1NC, 22mm Part number 3SU1100-0AB40-1FA0

Product Overview

This SIRIUS ACT pushbutton is designed for reliable switching and control applications in industrial environments requiring dual contact functionality. The 22mm round pushbutton features a robust plastic construction with a green flat button design, providing excellent tactile feedback and high visibility. This complete unit includes a holder with both 1 NO (normally open) and 1 NC (normally closed) contacts and screw terminals for versatile installation and wiring configurations.

Key Features

• Size: 22mm diameter round design
• Construction: High-quality plastic body with green flat button
• Contact Type: Momentary contact operation
• Contact Configuration: 1 NO + 1 NC (dual contact) included for enhanced functionality
• Terminal Type: Screw terminals for secure connections
• Button Style: Flat surface design
• Mounting: Panel mount with 22mm cutout diameter
• Protection Rating: IP67/IP69K - providing protection against dust, water immersion, and high-pressure cleaning

Technical Specifications

• Article Number: 3SU1100-0AB40-1FA0
• EAN: 4011209959200
• Series: SIRIUS ACT 3SU11
• Net Weight: 0.057 kg
• Push Button Diameter: 29.45mm
• Panel Cutout Diameter: 22.3mm
• 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)
• Contact Current Rating: 10A
• Packaging: 60.00 x 100.00 x 60.00 mm
• Country of Origin: Germany

Electrical Specifications

• Contact Arrangement: 1 NO + 1 NC (dual contact configuration)
• Terminal Connection: Screw terminal
• Voltage Rating: Up to 500V AC/DC
• Contact Material: Silver-plated for reliable conductivity
• Number of Command Points: 1
• Switching Function: Spring-return (impulse/momentary) reset

Compliance & Certifications

• RoHS Compliance: Compliant since 01.10.2014
• Export Control: AL: N / ECCN: N
• WEEE Take-Back: Yes, compliant with 2012/19/EU directive
• Protection Rating: IP67/IP69K

Applications Part of the SIRIUS ACT portfolio, this pushbutton is ideal for industrial control applications requiring reliable momentary switching with dual contact functionality. The green color follows international standards for start/go functions and safe operation indication, while the 1 NO + 1 NC contact configuration provides greater flexibility for complex control circuits. Perfect for applications requiring simultaneous switching of multiple circuits, safety interlocks, or redundant signaling in control panels, machinery interfaces, and automation systems.

Product Series Information Under the brand name SIRIUS ACT, Siemens offers a comprehensive portfolio of 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. The rugged devices are suitable for industrial use and outdoor applications, with resistance to dust, oils, and caustic solutions.

Download existing graphical data for this product:

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