Mersen: Surge-Trap STXH 75kA Expands STXH Series
November 18, 2025
Mersen is pleased to announce the expansion of its STXH Series of Surge Protective Devices (SPDs). Mersen’s SPD for residential protection now includes a 75kA rating for premium whole-home protection. The new model is compatible with all residential electrical panels, making it a simple installation or upgrade for electrical installers.
The Surge-Trap STXH is UL Type 1 listed and fully compliant with UL 1449, 5th Edition, making it suitable for any 120/240VAC split-phase application.
Equipped with TPMOV technology, it stands out as the safest option in its class. With its compact design, superior performance, and proven reliability, the new 75kA model is ideally suited for premium whole-home protection. Meanwhile, the existing 50kA STXH remains the perfect choice for safeguarding critical equipment such as HVAC systems and pool equipment, and for providing direct attachment to air conditioning disconnect switches.
The Surge-Trap STXH Series provides critical surge protection across the entire home—from individual devices to complete electrical systems.
Features and Benefits of STXH 75kA:
- Protection Capacity (surge rating) = 75kA
- Whole Home Premium Protection
- Fits ALL electrical panels in the market
- 5-year product warranty plus $50k connected equipment warranty
- Mersen’s elite TPMOV technology
Mersen’s Surge-Trap STXH 75kA joins the full range of SPDs featuring TPMOV technology, designed for premium residential applications. Technical support is available to assist with product selection and use.
As Surge protection becomes increasingly critical across a variety of markets, Mersen stands as a major provider, offering a comprehensive suite of surge protection solutions designed to meet the unique challenges of each sector. From the intricate electronics within industrial production facilities to the robust systems powering solar and wind farms, the need for reliable surge protection has never been more pronounced.
