As the industry leading designer, manufacturer, and supplier of low voltage, general purpose transformers. Schneider Electric has the expertise necessary to meet your increased demands by providing reliable products and outstanding support services. Resin-filled general purpose transformers are epoxy encapsulated. The enclosure has no openings, making resin-filled transformers ideal for use indoor or outdoor where airborne particles or contaminants could be detrimental to operation. The core-and-coil assembly is embedded in an epoxy resin compound and wall mounted for maximum protection. This weathershield is an enclosure accessory. This weathershield, D18 & H18 Transformer, is a bolt-on enclosure accessory, and is made of grey painted steel and is used for indoor/outdoor applications. Dimensions are 6.2 in (H), 29.5 in (W), 3.125 in (D). This product comes with an 18 month warranty.