The 189-025-413R571 is a 25-position, dual-port D-Sub connector featuring a stacked male-over-female configuration. It is constructed with a nickel-plated steel shell, brass contacts with gold flash plating, and a UL 94V-0 rated black PA9T insulator that can withstand process temperatures up to 260°C. This RoHS compliant connector has a current rating of 5 amps, a dielectric strength of 1,000VAC RMS, and an operating temperature range of -55°C to 105°C. Equipped with 4-40 standoffs and board locks for secure mounting, it is ideal for applications requiring multiple I/O connections in a compact footprint, such as telecommunications and industrial equipment.