Mersen STXH240S05 Split-Phase Whole-House Surge Protector — Grey

Designed for residential split-phase electrical systems, the Mersen STXH240S05 provides whole-house surge protection. This Type 1 SPD is certified to UL 1449 4th Edition and utilizes Mersen’s TPMOV technology to deliver reliable, safety-focused overvoltage defense. Engineered to meet NEC article 230.67 requirements, the unit comes in grey and is manufactured in Mexico.