Baomain SSR-40DD 40A Signal Phase DC Solid State Relay DC 3-32V DC 24-220V Product Name : Solid State Relay; Type : SSR-40DD Rated Load Current : 40A; Input : DC 3-32V; Output : DC 24-220V 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 (Approx.) : 6.2 x 4.4 x 2.6cm / 2.4" x 1.7" x 1" (L * W * H ) Weight : 92g; Package Content : 1 x Solid State Module Relay