Siemens 3SU1050-4BL01-0AA0

The Siemens 3SU1050-4BL01-0AA0 is a key-operated switch designed for control applications requiring secure manual operation. This 22 mm round switch features a durable metal construction with a polished finish, providing both reliability and a professional appearance. It offers three switch positions— I, O, and II— with a latching mechanism and an actuating angle of 2x45 degrees, positioned at 10:30, 12:00, and 13:30 hours on the dial. The key can only be removed when in the central "O" position, ensuring secure operation. This model comes supplied with two keys and supports optional special locks for customized security needs. Distributed by BSP Automation, this key-operated switch is well-suited for industrial control panels where precise and secure switching is essential.