The DRC26-50S03 is a 50-position plug connector with size 20 contacts designed for industrial and commercial transportation applications. This connector features a keyed plug configuration (key O3) and is part of the DRC series, which offers multiple connector styles including in-line, flange mount, and PCB receptacle options. The connector housing is constructed from glass-filled PBT and PA materials with tin-plated CuZn contacts, providing reliable electrical performance and environmental protection. The DRC26-50S03 is compatible with corresponding receptacles such as the DRC20-50P03 and DRC22-50P03 (180° mounting options), enabling flexible system integration. These connectors are commonly used in sealed electrical panel applications where protection from moisture, dirt, salt, and road debris is critical, with optional plastisol boots available for enhanced environmental sealing and durability.