Siemens SIRIUS ACT 3SU1801-2GA00-2AA1 Emergency Stop Enclosure, AS-Interface, 1 NO + 1 NC, IP67/IP69K, Yellow

With an IP69K protection rating, this Siemens SIRIUS ACT emergency stop enclosure withstands high-pressure, high-temperature washdowns, making it ideal for food and beverage or pharmaceutical environments. The 40 mm yellow mushroom pushbutton provides a highly visible, latching stop function that requires a deliberate pull-to-unlatch action, preventing accidental restarts. Integrated AS-Interface communication simplifies wiring, reducing installation time and cost.

Overview

The Siemens 3SU1801-2GA00-2AA1 is a complete emergency stop command device housed in a robust yellow plastic enclosure. It features a 40 mm emergency stop mushroom pushbutton with latching, pull-to-unlatch operation. The unit includes one NO and one NC contact, screw terminals, and an AS-Interface communication interface for seamless integration into automated systems. Its compact design and high degree of protection make it suitable for demanding industrial applications.

What stands out

• IP67 and IP69K protection: dust-tight and resistant to high-pressure, high-temperature washdowns.
• AS-Interface connectivity: reduces wiring complexity and enables easy integration into AS-i networks.
• Latching, pull-to-unlatch actuator: prevents accidental resets, enhancing safety.
• High visibility: 40 mm yellow mushroom head on a yellow enclosure ensures quick identification in emergencies.
• Robust construction: plastic housing designed for harsh industrial environments.

Technical details

• Product type: Complete unit, enclosure
• Series: SIRIUS ACT
• Actuator type: Emergency stop mushroom pushbutton
• Actuator diameter: 40 mm
• Actuator function: Latching, pull-to-unlatch
• Enclosure material: Plastic
• Enclosure colour: Yellow
• Number of command points: 1
• Communication interface: AS-Interface
• Contact configuration: 1 NO + 1 NC
• Terminal type: Screw terminal
• Degree of protection: IP67, IP69K
• NEMA rating: 4X, 13, 12
• Operating temperature: -25 to +70 °C
• Mounting diameter (actuator): 22 mm

Our verdict

A reliable and robust emergency stop solution for washdown environments, combining high protection ratings with AS-Interface integration for efficient machine safety.