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 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. It has 10 year product warranty.