The 1616017-5 is a DH25CU1 contactor configured as a 3PST N.O. (three-pole single-throw normally open) device manufactured by TE Connectivity. This industrial-grade contactor is designed for reliable switching and control of electrical circuits in demanding applications. The product is not EU RoHS2 or ELV compliant, indicating it may contain lead or other restricted materials and is intended for applications where such compliance is not required. It is commonly used in industrial control systems, motor starters, and power distribution equipment where robust switching capability is essential.