The Intermatic 115V/230V Surge Protector is designed to help protect compatible pool, spa, and outdoor equipment controls from damaging electrical surges. Automation systems, timers, pumps, lighting controls, and electronic components can be vulnerable to voltage spikes caused by utility issues, storms, or switching events. Adding surge protection helps reduce the risk of costly equipment damage.This unit is intended for compatible 115V or 230V applications and should be installed according to electrical requirements by a qualified professional. Confirm voltage, enclosure space, wiring needs, and equipment compatibility before ordering. Surge protection for compatible 115V and 230V systems Helps protect sensitive pool and spa electrical equipment Useful for automation, timer, lighting, and control installations Recommended for professionally wired equipment pads Verify part number PS3000 before purchase