Square D™ Surgelogic™ EMB Surge Protective Devices (SPDs) are designed to provide high-quality surge mitigation for a wide variety of commercial, industrial or institutional indoor applications. The EMB designs are for standard service entrance, distribution panel and critical branch panel installations. Optional (suffix "F") EMI/RFI noise attenuation is available with some voltages. The EMB is a UL 1449 Type 1 listed device with optional UL 1283 listing for Type 2 option ("F" suffix).
