Siemens 3SU1051-0AB20-0AA0 Illuminated, 22 mm, Red Metal Pushbutton, Flat Momentary Contact Original Brand New

Overview

The Siemens 3SU1051-0AB20-0AA0 is a high-quality, front-panel actuating element from the SIRIUS ACT product line, designed for reliable command and signaling in industrial environments. This component is the illuminated pushbutton head (operator alone), featuring a durable, shiny metal design suitable for harsh conditions. It requires a separate holder and contact/LED modules for complete functionality.

Features & Benefit

• • Robust Industrial Design: Constructed with a shiny metal front ring and designed for a 22 mm mounting diameter, offering exceptional durability and a premium look.

  • High Degree of Protection: Engineered with IP66, IP67, and IP69K ratings, ensuring resistance to dust, water jets, and even high-pressure cleaning, making it suitable for tough, demanding applications (e.g., food & beverage, outdoor use).

  • Easy Installation: Part of the innovative SIRIUS ACT modular system, featuring a self-retaining actuator and snap-on concept for quick, tool-free, one-handed mounting behind the control panel.

  • Clear Visual Signaling: The red, flat button is designed for illumination, providing clear and immediate visual feedback on the operating status when paired with an LED module.

  • Momentary Contact Operation: Functions as a spring-return (impulse) operator, meaning the circuit is closed only while the button is pressed, ideal for start, stop, or reset commands.

Function

This device serves as the human-machine interface (HMI) for initiating a control function. When the user presses the flat, red button, the momentary contact principle means it immediately returns to its home position upon release. When combined with the appropriate LED module (sold separately), the red button illuminates to indicate the status of the operation or the machine.

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