Square D™ Surgelogic™ EMA Surge Protective Devices (SPDs) deliver specification grade performance for service entrance or critical branch panel applications, in a durable UL/NEMA 1 steel enclosure.
Part of Square D Surgelogic
Square D™ Surgelogic™ EMA Surge Protective Devices (SPDs) are designed to provide high-quality surge mitigation for a wide variety of commercial, industrial or institutional indoor applications. The EMA designs are for standard service entrance, distribution panel and critical branch panel installations. The EMA is a UL 1449 Type 1 listed device.
