The CU-3285-MB is a Utilibox Style A enclosure made of ABS (Acrylonitrile Butadiene Styrene) with a black textured finish. It features a close-fitting, interlocking lid and includes assembly hardware. The enclosure has a molded-in mounting bracket, a UL94 V-0 flammability rating, and supports a temperature range of -20°C to 70°C. It is suitable for industrial applications.