25.621.1653.0 is a pluggable PC board connector featuring rising cage connection technology with 3.81 mm pole spacing and 16 poles. The connector is rated for a maximum current of 8 A and operates at 250 V with 2.5 kV overvoltage category II protection. It accommodates wire cross-sections from 0.14 to 1.5 mm² (solid or fine stranded), with a rated cross-section of 1.5 mm². The connector dimensions include a GFL (front length) of 71.35 mm, a G (width) of 61.75 mm, and a T (depth) of 57.15 mm. This connector is commonly used in industrial control systems, automation equipment, and modular electronic assemblies where reliable, space-efficient interconnections are required.