The HBL300FBK is a single-pole female plug designed for temporary power connections, rated for 300A. It supports maximum voltages of 600V AC and 250V DC and accommodates cable sizes ranging from #6 to 2/0 AWG. The plug is constructed from a thermoplastic elastomer base with brass contacts and features an extra-long non-conductive inner sleeve for enhanced safety. Its UL listing for enclosure types 3R, 4X, and 12 makes it suitable for use in various demanding electrical environments.