SKU AT150A1007/U
resideo 50 VA general purpose transformers power 24-Volt AC circuits. Foot mounted, plate mounted on 2 in. x 4 in. or 4 in. x 4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted. They are typically used in heating/cooling control systems, but can be used in any application that doesn't exceed the load ratings.