Select-SL3 Series
Selenium Enhanced Select® SL3™ was the first hybrid device that combined selenium cells with the Current Technology patented Integrated Suppression Module (ISM™). It features surge-rated copper busing, robust filtering, and superior remote communication capabilities. Selenium Enhanced Select SL3’s advanced technology delivers outstanding performance in all power quality surge events including temporary overvoltages.
Key benefits
Hybrid design
Deliver maximum performance and ensures a dramatically extended product life.
Increased reliability
Renowned for exceptional reliability, ensuring consistent performance and trustworthiness in every use.
Easy access to real-time data
via the display on the unit or remotely

Key features
- First successful hybrid device utilizing selenium cells
- Surge-rated copper busing
- Robust filtering
- Advance remote communication capabilities such as Modbus or ethernet communication options
- Temporary Over Voltage + Transient Surge Protection
Our Select-SL3 Series: Your Ultimate Solution
The Select-SL3 Series adheres to high industry standards, securing key certifications for reliability and performance. It is UL listed 1449 5th edition for Type 1 and Type 2 applications and certified under cUL and UL 1283. Additionally, it meets the UL96A master label requirements for lightning protection systems.
The Select-SL3 Series is suitable for various industries, including renewable energy, motion, food and beverage, critical power facilities such as hospitals, financial institutions, airports, and data centers. It also serves educational institutions, wastewater treatment plants, transportation, and sectors involving oil, gas, and chemicals.
These sectors demand equipment that operates efficiently under tough conditions, and the Select-SL3 Series meets these expectations, ensuring continuous operation and protection.
Discover the Excellence of SL3!
Click here for detailed technical specifications and see how SL3 can elevate your experience.
Downloads
Datasheet | Current Technology | Select® - SL3™ series — 50 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 80 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 100 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 125 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 150 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 200 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 250 kA | .pdf 0.2 MB |
Datasheet | Current Technology | Select® - SL3™ series — 300 kA | .pdf 0.2 MB |
Manual | Current Technology | Select® - SL3™ series | .pdf 2 MB |
Have you got any questions?
Contact us!
Phone: 866-757-4513
Email: contactDEHN@dehn.us