Complete Protection.
Assembled in the USA.
Assembled in the USA.
At DEHN, we’ve expanded our surge protection portfolio with the addition of Current Technology® and Joslyn Surgitron products—now assembled at our headquarters in Mooresville, North Carolina. This milestone marks a new chapter in our commitment to the North American market: delivering high-performance, UL-listed solutions that protect every part of a building—from the service entrance to the most sensitive control systems.
Engineered for North America. Assembled in the USA.
A Complete Portfolio for Total Protection
With the integration of Current Technology products, DEHN offers a comprehensive surge and lightning protection solution—from the service entrance to the most sensitive field-level electronics. Our portfolio is designed to protect every asset and every person in a building, ensuring operational continuity and safety.
We cover the full spectrum of protection:
Service Entrance Protection
Our SPDs for service lines—installed at the utility power entry point—shield your facility from major external events like lightning strikes or grid switching surges.
Internal Equipment Protection
Surge protection in control panels, fieldbuses, and near sensors helps extend equipment life and prevent costly downtimes.
Grounding and Bonding
DEHN’s proven earthing and lightning protection solutions ensure safe dissipation of surge energy and compliance with safety codes.
Featured Products
The following highlights represent just a selection of our broader portfolio of UL-listed solutions for the North American market:

Select-SL3 Series
The SL3™ Series combines selenium cells with ISM™ technology to deliver powerful surge protection at the utility power entry—shielding your facility from lightning and grid switching events.

TransGuard-TG3 Series
A compact, high-performance SPD designed for critical service entrance applications. It offers reliable protection against high-energy transients and is ideal for industrial and commercial environments

Current Guard 3 & Current Guard 3 Plus
Engineered for demanding environments, this series provides enhanced surge protection with advanced diagnostics and modular design—ideal for facilities requiring continuous uptime.

DEHNguard EZ50-S
A cost-effective, serviceable SPD with field-replaceable modules and clear status indicators. Designed for long-term savings and sustainability, it’s ideal for EV charging, process tech, and energy systems.

DEHNguard Series
Versatile and modular surge arresters with high discharge capacity and UL-listed reliability. Perfect for panelboards, HVAC, and emergency systems across commercial and industrial sites.

BLITZDUCTORconnect Series
A compact, modular arrester for protecting sensitive signal lines in control, measurement, and communication systems. Offers push-in terminals and status indication for easy maintenance.
Why DEHN?
With over a century of expertise in lightning and surge protection, DEHN is your specialist partner for safeguarding buildings, infrastructure, and people. Our solutions are trusted worldwide—and now, with local assembly and a broader portfolio, we’re even better equipped to serve the North American market.
Do you have any questions?
Contact us!
Phone: 866-757-4513
Email: [email protected]
Or use the form below.