Siemens 3SU1050-4HF01-0AA0

The Siemens catalog number 3SU1050-4HF01-0AA0 refers to a key-operated switch designed for control applications requiring secure operation. This 22 mm round switch features a durable metal construction with a polished finish, offering both reliability and a professional appearance. It provides two switch positions—on and off—with a 90° actuation angle and includes a locking mechanism to prevent unauthorized use. The switch comes with two keys and allows key removal in the off position. Distributed by BSP Automation, this component is well-suited for industrial environments where controlled access and precise switching are important.