Uxcell 24-380VAC 3-32VDC SSR-40DD DC-DC Gray Solid State Module Relay Product name : solid state relay; Type : ssr-40dd; material : metal, plastic Rated load current : 40A; input : dc 3-32v Output : AC 24-380v; mounting hole size : small Dia: 4.3Mm/0.2", big size: 7.1 x 4.3Mm/0.3" x 0.2"(L*w) Total size (approximate) : 6.2 x 4.4 x 2.6Cm/2.4" x 1.7" x 1" (L * w * H ); color : Gray, clear, Silver tone Weight : 115G; Package Content : 1 x solid state module relay