Siemens 3SB3801-2EJ20

The Siemens 3SB3801-2EJ20 is a front-mounted emergency stop pushbutton designed for industrial control panels. Featuring a 22mm metal enclosure with a yellow top section, this switch includes a prominent 40mm red mushroom head for quick and easy activation in urgent situations. It offers one normally open (NO) and two normally closed (NC) screw terminal connections, ensuring reliable integration into safety circuits. This particular model does not have a direct replacement, so planning for compatibility is important. Distributed by BSP Automation, it’s a trusted component for safeguarding machinery and protecting operators in demanding environments.