SolaHD Surge Protection Devices

SolaHD Surge Protection Devices protect industrial control systems, automation equipment and sensitive electronic devices from damaging voltage transients, electrical surges and high-frequency electrical noise. Designed for demanding industrial environments, these solutions help improve equipment reliability, minimize downtime and extend the life of valuable electronic systems.

Wallco offers the complete line of SolaHD surge protection products, including the STFE Elite Series, STFV Plus Series and STV25K DIN Rail Series. Whether you need point-of-use surge suppression or advanced tracking filters that combine surge protection with electrical noise attenuation, SolaHD provides proven solutions for industrial power quality applications.

Browse our selection of industrial surge protection devices below to find the right solution for your control panel, PLC, automation system or OEM equipment.

SolaHD Surge Protection Devices Product Guide

Learn how to select and apply SolaHD surge protective devices and tracking filters for industrial control panels, automation systems and sensitive electronic equipment. This guide explains surge protection strategies, UL 1449 classifications, application recommendations and the complete STFE Elite, STFV Plus and STV25K product families.

► Download the SolaHD Surge Protection Devices Product Guide (PDF)

Why Industrial Surge Protection Matters

Electrical surges and transient voltages are among the leading causes of premature equipment failure in industrial facilities. These events can originate from lightning, utility switching, motor loads, variable frequency drives and internally generated electrical disturbances. Proper surge protection helps safeguard sensitive electronics, reduce unplanned downtime and improve overall system reliability.

SolaHD Surge Protection Product Families

• STFE Elite Series – DIN rail mounted tracking filters with integrated surge protection that reduce electrical noise while protecting sensitive equipment from voltage transients.
• STFV Plus Series – Hardwired tracking filters that combine surge suppression and electrical noise filtering for larger single-phase industrial applications.
• STV25K DIN Rail Series – Compact DIN rail mounted surge protective devices providing 25,000 amps of surge protection per phase for point-of-use applications.

Benefits of SolaHD Surge Protection Devices

• Protect sensitive industrial electronics from damaging voltage transients
• Reduce electrical noise that can interfere with automation systems
• Improve equipment reliability and operational uptime
• Help extend the service life of PLCs, controls and electronic equipment
• Compact DIN rail and panel-mounted solutions for industrial installations
• Industrial-grade designs engineered for demanding environments

Common Applications

• Industrial control panels
• Programmable Logic Controllers (PLCs)
• Factory automation systems
• OEM machinery
• Machine tools
• Building automation systems
• Industrial networking equipment
• Communication systems
• Instrumentation and test equipment

Why Choose SolaHD Surge Protection?

SolaHD has been a trusted leader in industrial power quality solutions for decades. Their surge protection devices and tracking filters are engineered to provide dependable protection against electrical disturbances while helping maintain reliable operation of critical industrial equipment. Wallco is an authorized SolaHD distributor offering expert product selection assistance and competitive pricing.