Siemens Illuminated pushbutton, round, amber, momentary contact, 22mm, Part number 3SU1051-0AB00-0AA0

Product Overview

The Siemens 3SU1051-0AB00-0AA0 is a SIRIUS ACT illuminated pushbutton head for 22 mm panels. It features a round metal (shiny) bezel with a flat amber lens and momentary (spring-return) actuation, providing clear visual signalling and reliable switching for industrial control panels and operator stations.

Key Features

• Illuminated pushbutton head from the Siemens SIRIUS ACT range
• 22 mm standard panel cut-out; round, flat button design
• Metal, high-gloss bezel for robust, premium appearance
• Amber lens for clear status indication
• Momentary (spring-return) operation
• High ingress protection when correctly assembled: up to IP66 / IP67 / IP69K
• Modular system: combines with separate contact/LED modules and holders
• Snap-on assembly concept for quick, tool-less installation

Technical Specifications

• Product Series: SIRIUS ACT (3SU1)
• Article Number: 3SU1051-0AB00-0AA0
• Actuator Type: Illuminated pushbutton head, flat
• Bezel / Housing: Metal, shiny
• Lens Colour: Amber
• Operation: Momentary (spring-return)
• Mounting Cut-out: 22.3 mm (standard 22 mm)
• Protection Rating: up to IP66 / IP67 / IP69K (with matching components and correct installation)
• Operating Temperature: –25 °C to +70 °C
• Mechanical Life: up to 10 million operations (typ.)

Compliance & Certifications

• Designed to IEC/EN 60947-5-1 for command and signalling devices
• Part of the Siemens SIRIUS ACT modular command/signal system

Applications

Ideal for machine and process control panels, operator consoles, and HMI stations requiring a rugged, illuminated momentary pushbutton for start/stop commands, mode selection, or status indication in harsh industrial environments.