Siemens 3UA5200-0J is a thermal delayed overload relay designed for mounting onto Siemens contactors and starters to protect motors in industrial control circuits. It belongs to Siemens' 3UA5200 family of overload relays, which provide thermal overload protection via a temperature-based trip mechanism integrated with the controller. The 0J variant is the specific model designation for this relay, intended for use with compatible Siemens control devices.
