Siemens SIRIUS ACT litteä merkkivalo, sininen, 22mm, 24V AC/DC 3SU1051-6AA50-0AA0

In industrial control panels and machine status displays, the Siemens SIRIUS ACT flat indicator light provides a clear blue signal for operators and maintenance staff. This 22 mm mounting diameter device fits standard panel cutouts and uses an integrated LED module for long-lasting, energy-efficient illumination.

Key specifications

• Series: SIRIUS ACT
• Design: Flat, round
• Colour: Blue
• Mounting diameter: 22 mm
• Front ring material: Plastic
• Lens type: Smooth
• Illumination: Integrated LED module
• Operating voltage: 24 V AC/DC
• Connection: Screw terminal
• Front protection: IP66, IP67, IP69K
• Rear protection: IP20
• Operating temperature: -25 to +70 °C
• Storage temperature: -40 to +80 °C
• LED lifespan: 100,000 hours
• Degree of pollution: 3
• Shock resistance: 10g / 11 ms
• Vibration resistance: 5 ... 500 Hz: 5g

Why choose it

The flat design integrates seamlessly into modern control panels, and the integrated LED eliminates the need for a separate bulb, reducing maintenance. The blue lens provides high visibility for status indication, and the screw terminals ensure secure wiring.

Ideal use cases

• Machine status indication in manufacturing
• Control panel signalling for conveyors and process lines
• Building automation and HVAC status displays

Good to know

The device is part of the SIRIUS ACT modular system, allowing combination with other actuators and signalling elements. It is suitable for harsh environments thanks to its high front protection ratings.