Siemens Pushbutton, round, red, momentary contact, 1NC, 22mm Part number 3SU1100-0AB20-1CA0

Product Overview

The Siemens SIRIUS ACT pushbutton complete unit (3SU1100-0AB20-1CA0) is a compact, rugged industrial pushbutton designed for front-panel mounting in control panels and machine interfaces. This red, momentary contact pushbutton provides a reliable manual control interface with a standard 22 mm panel cutout and is suitable for start/stop, reset or operator input functions in automation and control systems.

Key Features

• SIRIUS ACT series industrial pushbutton
• Complete unit with actuator, holder and contact block assembled
• Round, red, flat pushbutton actuator for clear visibility
• Single normally closed (NC) contact configuration
• Designed for standard 22 mm panel cutout
• Screw terminal connection for reliable wiring
• Plastic actuator and front ring with robust industrial design
• High mechanical and electrical endurance for extended service life
• Suitable for control, signalling and operator input applications

Technical Specifications

• Article Number: 3SU1100-0AB20-1CA0
• Product Family: SIRIUS ACT pushbuttons
• Device Type: Pushbutton complete unit
• Actuator Design: Round, flat pushbutton
• Actuator Colour: Red
• Front Ring Colour: Black
• Material: Plastic actuator and holder
• Contact Configuration: 1 NC (normally closed)
• Operating Principle: Momentary contact (push-to-make)
• Rated Insulation Voltage: 500 V
• Degree of Pollution: 3
• Rated Surge Withstand Voltage: 6 kV
• Thermal Current Rating: 10 A
• Operating Voltage: 5 … 500 V AC/DC
• Mechanical Service Life: up to 10,000,000 operations
• Electrical Endurance: up to 10,000,000 operations
• Maximum Operating Frequency: approx. 3,600 operations/hour
• Panel Cutout Diameter: 22.3 mm
• Actuator Diameter: approx. 29.45 mm
• Mounting Height: approx. 11 mm
• Installation Depth: approx. 49.7 mm
• Dimensions (approx.): 40 mm (height) × 30 mm (width) × 49.7 mm (depth)
• Connection Type: Screw terminal
• Operating Temperature Range: –25 °C to +70 °C
• Storage Temperature Range: –40 °C to +80 °C

Compliance & Certifications

• Manufactured to Siemens SIRIUS ACT industrial quality standards
• Designed to meet IEC/EN pushbutton and control device standards
• High ingress protection for industrial environments

Applications

The Siemens 3SU1100-0AB20-1CA0 pushbutton unit is ideal for operator control interfaces on industrial machines, control panels and automation systems. Typical applications include start/stop controls, emergency or reset interfaces, manual overrides and operator signalling where a durable, front-mounted control input is required.