 | | SurgeArrest will warn you if its circuitry has been damaged by heavy strike or power line surge and it is unable to provide 100% protection. If still under warranty, APC will then replace your damaged SurgeArrest free of charge. SurgeArrest components such as MOVs and Thermal fuse ensure instantaneous. Attenuates EMI/RFI line noise that can cause data errors and keyboard lockups, ensuring better performance of protected equipment.. Identifies potentially dangerous wiring problems. Warns if circuitry has been damaged. Filters line noise to reduce data-errors and keyboard lockups. Lowest IEEE 587 category A Let-through and UL 1449 330V. Warranty: Lifetime. | | $11.99 More Information |