The HDP26-24-21SE-L015 is a 21-way circular plug connector designed for harsh environments. It features a size 24 thermoplastic shell, an E-seal for environmental protection, and a threaded adapter. The connector accommodates seventeen size 16 contacts (rated at 13 amps) and four size 12 contacts (rated at 25 amps). Engineered for high performance, it operates in temperatures from -55°C to +125°C, provides an IP68 rating for water immersion, and withstands vibration levels of 20 G's. Its durability is rated for 100 mating cycles, making it a reliable solution for industrial and commercial transportation applications.