Description
The Siemens 3SU1100-4BF11-1FA0 Key Switch is an industrial-grade component engineered for secure and reliable control of electrical circuits. This SPDT (Single Pole Double Throw) 2-way switch provides controlled access, ensuring that only authorized personnel can operate specific functions.
Manufactured with Siemens’ commitment to quality and durability, the Siemens 3SU1100-4BF11-1FA0 is built to withstand the rigors of industrial environments. Its robust construction guarantees consistent and dependable operation, making it a trusted choice for critical applications.
This Siemens key switch is ideal for use in control panels, access control systems, and machinery where secure on/off switching is required. The Siemens 3SU1100-4BF11-1FA0 offers a reliable method for managing system access and preventing unauthorized operation.
Choose the Siemens 3SU1100-4BF11-1FA0 for its industrial-grade reliability and secure functionality. It is an essential component for enhancing the safety and control of your electrical systems and equipment.









