Surge Suppressors

SurgeX Power Pro

Many surge suppressors, particularly the inexpensive ones commonly found at retail, do a poor job of protection. Surge suppressors built into quality uninterruptable power supply (UPS) units tend to be better, but for best results, use commercial grade surge suppressors -- more expensive, but worth it.

At a minimum, make sure that any point of use surge suppressor is UL 1449 listed/recognized at a suppressed voltage rating (SVR) of at least 330 volts. For endurance, the surge suppressor should also be Classified in Accordance with ANSI/IEEE C62.41-1991, Recommended Practices. (UL 1449 listed products are not necessarily classified for endurance.)

Good commercial grade surge suppressors include:

• Brick Wall
• Innovative Technology
• Peradata
• PolyPhaser
• SurgeX 
• ZeroSurge

One of the best commercial grade values is the SurgeX Power Pro, available through Home Depot for $99 (as of this writing).

Tripp Lite Isobar, some of the best standard grade suppressors, are available through Amazon.