Siemens SIRIUS ACT Flat Pushbutton Actuator, Red, 22mm, Momentary, 1 NC Contact, IP66/67/69K 3SU11000AB203CA0

With a mechanical durability of 10 million operating cycles, this Siemens SIRIUS ACT flat pushbutton actuator is built for demanding industrial control applications. The red actuator head combines a robust plastic front ring in black with a momentary, spring-return operation, ensuring reliable signalling even under harsh conditions.

Overview

The 3SU1100-0AB20-3C is a non-illuminated pushbutton actuator designed for 22 mm panel mounting. It is compatible with a 1 NC contact block (screw terminal connection) and delivers a front protection rating of IP66, IP67, and IP69K, making it suitable for washdown environments. The actuator operates within a temperature range of -25 to +70 °C and withstands shock loads up to 10g / 11ms.

What stands out

• Exceptional mechanical durability: 10 million operating cycles
• High front protection: IP66, IP67, IP69K for demanding washdown areas
• Wide operating temperature range: -25 to +70 °C
• Compact 22 mm mounting diameter fits standard industrial panels
• Momentary (spring-return) operation with red flat button for clear status indication

Technical details

• Product series: Siemens SIRIUS ACT
• Actuator type: Flat pushbutton, momentary
• Actuator colour: Red
• Front ring material: Plastic
• Front ring colour: Black
• Mounting diameter: 22 mm
• Contact configuration (compatible): 1 NC
• Connection type (compatible): Screw terminal
• Degree of protection (front): IP66, IP67, IP69K
• NEMA rating (front): NEMA 1, 2, 3, 3R, 4, 4X, 12, 13
• Operating temperature: -25 to +70 °C
• Storage temperature: -40 to +80 °C
• Mechanical durability: 10 million operating cycles
• Electrical durability (typical): 10 million operating cycles (AC-15, 230V, 6A)
• Shock resistance: 10g / 11ms (IEC 60068-2-27)
• Environmental category: Climatic category 3K6 (EN 60721)

Our verdict

A rugged, high-cycle pushbutton actuator that excels in harsh industrial environments. Its IP69K front protection and 10 million cycle durability make it a reliable choice for critical control panels.