These Power Modules Through Hole RoHS are manufactured by HenLv and are part number S24IS05-2W. They are rated for 24V with a current rating of 8A and have a total power output of 193.6W. These modules are intended for use with industrial control applications such as relay switching, lighting and heating. Features of this particular module include a compact size, an optically isolated signal output, a dielectric strength of 4,000V between the input/output, and a isolation voltage of 2,500V. They are also ROHS compliant and have a rated operating temperature range of -40°C to 85°C.