This is a brand new MERSEN ST4803PY surge trap designed for 277/480V 3-phase Y power systems. It is manufactured by Ferraz Shawmut and comes in its original box. This surge trap is ideal for use in industrial automation and motion control applications, as well as with PLC processors and HMIs. The MERSEN ST4803PY has been built to the highest quality standards and is guaranteed to provide reliable protection against power surges. With its exceptional performance and durability, this surge trap is a must-have for anyone looking to safeguard their industrial equipment. Get your hands on this new, high-quality surge trap today!