73550301 is a plastic electrical box manufactured and sold by Spelsberg, a company that specializes in electrical boxes and components. The box is made from thermoplastic, and is designed to be corrosion resistant, watertight and dustproof. It is UL recognized, and is designed for industrial, commercial and residential use. The box measures 144 x 109 x 62 mm (L x W x H), and has an IP65 ingress protection rating. It is suitable for wall mounting, and comes complete with cable entry knockouts, an integrated mounting bracket, 10 cable ties, and an earth screw. The box also comes with a 5-year manufacturer's warranty.