Add to My Toolbox


Joslyn® offers more than 1,300 standard surge protection products in its top-class AC line, including units for full facility installation, equipment-level protection and custom-tailored solutions for OEMs.


Best in Class:  Our new JSP products offer the best in surge protection performance and reliability with component-level fusing and optional advanced filtering, all surge current tested at an independent lab. 

Lightning Protection:  Joslyn’s Surgitron models offer primary protection against multiple lightning strikes or other induced voltage surges, with a surge current capability that greatly exceeds the heaviest surge described by ANSI/IEEE C62.41-1991 (Location Category C3).

Low-Voltage Solutions:  TransEnd™ surge protectors deliver more performance than any other device designed to meet demanding project requirements with surge capacities of up to 100 kA.