Overview
The Siemens 3SU1900-0AB71-0QC0 is a professional-grade inscription plate from the Siemens Sirius Act series. Designed specifically for illuminated pushbuttons, this round, milky-colored plate provides clear signaling with a high-contrast black font. It features the Roman numeral “II” (Symbol 5008 IEC), making it ideal for multi-stage machinery or secondary power functions.
Key Benefit
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High Visibility: The milky finish ensures soft, even light diffusion when used with illuminated buttons, while the black font ensures the “II” symbol remains legible.
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Industrial Durability: Built to withstand harsh environments, maintaining clarity against wear, oils, and cleaning agents.
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Seamless Integration: Part of the Siemens Sirius Act modular system, ensuring a perfect snap-on fit without specialized tools.
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Standardized Signaling: Uses internationally recognized IEC graphic symbols for global safety compliance.
Function & Application
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Application: Used primarily in control panels, motor starters, and automation interfaces.
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Identification: Specifically used to denote “Level 2,” “Step 2,” or a second functional state of a machine.
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Compatibility: Designed for use with Siemens 22mm Sirius Act illuminated pushbutton actuators.
Technical Features
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Brand: Siemens
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Product Number: 3SU1900-0AB71-0QC0
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Type: Inscription plate
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Shape: Round
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Color: Milky
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Font Color: Black
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Graphic Symbol: II
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Compatibility: Illuminated pushbuttons
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