Understanding Surge Protection Devices (SPDs)

Today’s world is full of electronic products and electrical devices that are susceptible to damage from overvoltage surges

UL 1449 4th Edition

UL 1449 4th edition assigns type designations to Surge Protective Devices (SPD) (1, 2, 3, 4, 5) reflecting the installation locations within the electrical distribution system. These designations were adopted from IEEE categories C, B, & A respectively

Surge Protector FAQ

Do surge protectors last forever?No, they do not. Each time a surge protector reroutes a power surge away from your connected equipment, the internal structure of the protector takes a little bit of damage.