SQUARE D SCHNEIDER ELECTRIC TVS4EMA16A SURGE PROTECTION DEVICE (NEW IN BOX) This is an Surgelogic™ External Modular Assembly (EMA) Surge Protective Device. This SPD is Type 1. Designed for 480Y/277VAC three phase systems. The product is a new Surge Protection Device (SPD) by SQUARE D, specifically the TVS-4EMA16A. byJuly 3, 2026Last Updated on: July 5, 2026
