PROGRESSIVE INDUSTRIES 313.1122 EMS-PT30C Portable EMS RV Surge Protector - 30 Amp

Progressive Industries Portable Electrical Management Systems (EMS) offer quick and easy RV electrical protection. A true plug-and-play application with no installation required. You will feel secure with multi-mode surge, voltage, polarity, and lost/open neutral protection. Each unit includes a digital display, scrolling continuously through the power source information: voltage(s), current frequency, error code, and previous error code (if applicable). Additionally, the computer is driven by state of the art microprocessors.