Siemens 3SU1150-4BF11-1BA0

The Siemens product 3SU1150-4BF11-1BA0 is a metal, round Ronis key-operated switch with a 22 mm diameter. This switch features two key positions labeled O and I, with a 90-degree actuation angle, and includes a locking mechanism that allows the key to be removed in either the off or on position. It comes equipped with two keys and a holder for convenience. The switch uses a single normally open (NO) contact with screw terminal wiring. Optional special locks such as SB31, 421, and 455 can also be used with this model. This reliable key-operated switch is available through BSP Automation, ensuring easy access for your control system needs.