The 96.021.5051.4 is a female device connector from the RST20i2 series, designed for snap-in or screw-in panel mounting. It features a 2-pole configuration with a screw connection that accepts solid or stranded wires up to 4 mm², and is rated for 50V and 20A. Constructed from halogen-free polyamide with silver-plated CuZn contacts, this connector is mechanically coded, interlockable, and offers a high degree of protection rated at IP66/68 and IP69K. Its robust design and high protection rating make it suitable for use in harsh industrial environments where reliable power connections are critical.