The SR3B261JD is a ZELIO SR3 controller with 16 Input/Output (I/O) and 12 VDC relay out manufactured by Schneider. The unit features an 8-pin metal base with multiple functions, including time-based functions such as on-delay, off-delay, cyclic, and pulse. It also supports logic functions such as AND, OR, NOT, and counting. Additionally, the unit is equipped with a series of analog inputs and outputs that are programmable for functions like PID algorithm, or generic I/O. The SR3B261JD ZELIO SR3 can be used for applications such as motor monitoring, alarm system, energy metering, automatic lighting, and PLC applications.