Square D™ Surgelogic™ HWG Surge Protective Devices (SPDs) are designed to provide high-quality surge mitigation for a wide variety of commercial, industrial or institutional indoor applications.
Square D™ Surgelogic™ HWG Surge Protective Devices (SPDs) deliver specification grade performance for critical branch panel applications. This multi-phase surge suppression system provides surge impulse mitigation in a durable UL/NEMA 4X enclosure. These devices are designed to provide high-quality surge suppression for a wide variety of industrial or OEM applications. The HWG is a UL 1449 Type 2 listed device.
