Surgelogic Type EMA Series surge protective devices deliver specification grade performance for service entrance or critical branch panel applications. These multi-phase surge suppression systems provide transient suppression, noise filtration, enhanced EMI/RFI filtering with sine wave tracking in a durable modular package. They provide better performance with a diagnostic interface with push to test switches, red and green status LEDs, module status LEDs per mode, dry contacts, audible alarm with disable switch, and a surge counter. This surge protection device is 3 phase, 3-wire + ground, 240/120 V , 160 kA surge current per phase, and short circuit current rating of 200 kA. It has 10 year product warranty and 19 modes of protection.