Siemens 3SU1 Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, 1NC, IP20, IP66, IP67, IP69,

Siemens extremely IP69K rugged 22 mm e-stop mushroom push button complete units in high-grade plastic.

Easy installation
Suitable for use in extreme environments
No special tools required
Simple geometry for mounting holes
Connection to the most commonly used communication systems (PROFINET, AS-Interface, IO-Link)

IEC 60947-1, EN 60947-1
IEC 60947-5-1, EN 60947-5-1

This emergency stop push button has a panel mount configuration that ensures easy installation, while the 22mm cutout diameter accommodates standard mounting needs. It features a mushroom shape that allows for intuitive operation. With an IP66 and IP67 rating, it provides reliable protection against dust and water ingress, making it suitable for harsh environments.

• 1NC contact configuration enhances safety and reliability
• Twist release actuation prevents accidental engagement
• Metal push button resists wear and tear
• Rotary lever switch enables intuitive operation
• High voltage capability rated for 500V and 10A

• Used for emergency control in industrial machinery
• Suited for automation systems requiring immediate shutdown
• Utilised in electrical panels for safety

No, standard tools are sufficient for installation.