Siemens 3SU1150-4BF01-3PA0

The Siemens 3SU1150-4BF01-3PA0 is a 22 mm round key-operated switch designed for secure control applications. This metal, shiny switch features two positions—ON and OFF—with a latching mechanism and a 90-degree actuation angle. It includes a lock number SB30 and comes with two keys for operation. The key can be removed only in the OFF position, providing added safety, and the device is equipped with a holder for added convenience. Electrical connections are made via a spring-type terminal and it includes one normally closed (NC) contact. Variants with special locks, such as SB31, are also available. This key switch model is offered through BSP Automation, ensuring reliable supply for your automation needs.