The OKY5022-2 is part of the OKYSTAR series and is a PI control contactor, commonly used in the control of heating, ventilation, and air conditioning (HVAC) systems. It is designed with a one-piece, two-pole contactor mechanism, made of copper and silver alloy for strength, with a 75 kVAC coil and DIN Rail mounting bracket. This contactor is rated at 25 amps/600V, and has a high switching capacity. It also has status indicators and manual override switches, as well as power and auxiliary contacts for easy setup.