Siemens 6FB1141-1AT11-3KU2

The Siemens catalog number 6FB1141-1AT11-3KU2 is a SIDOOR ATD400K relay control unit designed specifically for refrigerator doors weighing up to 400 kilograms. This unit operates on 36 VDC and includes multiple communication and control interfaces, such as one RS485 port, three transistor outputs (TUE), a digital input compatible with reed contacts, and three relay outputs. Additionally, it provides a 24 VDC output to support connected components. Engineered to work reliably in temperatures ranging from -20 to +50 degrees Celsius, this control unit helps ensure precise and efficient door operation. You can find this Siemens solution available through BSP Automation, supporting your refrigeration automation needs with dependable performance.