Siemens 8UD1721-0AC21

The Siemens catalog number 8UD1721-0AC21 refers to a handle equipped with a masking frame that includes tolerance compensation and a door opening position feature. This accessory is designed to work seamlessly with circuit breakers such as the 3VM series (100/160/250), 3VA1/2 (100/160/250), and 3VA5/6 (125/150/250). Distributed by BSP Automation, this handle offers reliable operation and ensures the proper alignment and function of the device door, helping to maintain safety and ease of use in various industrial setups.