The Siemens 8UD17712AD05 is a handle equipped with a masking plate, designed specifically for emergency switching-off applications. Measuring 75 by 75 millimeters, it fits shafts sized 6 x 6 mm and 8 x 8 mm, making it compatible with 3KD sizes 1 and 2, as well as 3KF size 1 devices. Its red and yellow coloring ensures clear visibility in emergency situations, while the IP65 rating provides solid protection against dust and water. This reliable component is available through BSP Automation, offering a practical solution for safety-related control systems.