Siemens 3SB3801-0EF3 Enclosed Emergency Stop Pushbutton Assembly

The Siemens 3SB3801-0EF3 is a complete enclosed command device designed for 22mm round installations. It features a prominent 40mm red emergency stop mushroom pushbutton with a protective collar and a yellow plastic enclosure top. This unit is equipped with two normally closed (NC) contacts for enhanced safety redundancy and uses screw terminals for reliable connections. The rotate-to-unlatch mechanism is standard for emergency stop reset. This product is phased out, with SIRIUS ACT 3SU1 being the successor.

This robust assembly is crucial for safety-critical applications in manufacturing, automotive production, and heavy industry, where immediate and reliable emergency shutdown is paramount. The dual NC contacts provide an extra layer of safety in demanding environments.

Stanlo Automation, a veteran-owned surplus parts specialist, understands the need for dependable industrial components. We offer the Siemens 3SB3801-0EF3 to help you maintain your systems with quality surplus parts, ensuring minimal downtime and continued operational efficiency.