B-Line Eaton series other enclosure accessories, 1, ANSI 61 gray painted, Protects against contact with enclosed equipment, Steel material, Type 1 sc

No. It carries a NEMA 1 degree of protection, which is indoor use only, guarding against personnel contact with the equipment inside and falling dirt. It is not rated for rain, washdown, or dust-tight service, so for an exterior wall or a wet process area you need a NEMA 3R, 4 or 4X enclosure and cover instead.

Just the cover. Model 128 SCF is the Type 1 screw cover panel on its own, an enclosure accessory rather than a box, so you need the matching NEMA 1 enclosure body underneath it. Order it as a replacement for a damaged or missing cover, or as a spare kept on the shelf.

A screw cover like the 128 SCF fastens down with screws around the perimeter, which means you need two hands and a screwdriver to open it. That is what you want on a pull box or junction box that gets opened rarely, and it discourages casual access. If the enclosure is checked or serviced regularly, a hinged door version is the better choice, since a screw cover has to be lifted off and set aside every time.

Yes, as long as those enclosures are also ANSI 61 gray. The 128 SCF is painted ANSI 61 gray over steel, the standard industrial gray used across most panelboards, wireways and junction boxes, so it blends with existing gear in a plant or mechanical room rather than standing out.