Electrical Management System (EMS) helps to protect your RV against voltage fluctuations, power surges and incorrectly wired shore power which can cause sever and costly damage to RV appliances and electronics. 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. A state-of-the-art microprocessor provides peach of mind, day or night, even when you're away from your RV.

Product Features:

• Over/Under voltage Protection
• Open Ground, Open Neutral & Reverse Polarity Detection
• Accidental 240V Protection
• Miswired Pedestal Indication
• Surge Failure Indicator
• Amperage Meter Display
• Previous Error Code
• A/C Frequency Protection
• Time Delay (136 seconds)
• Adjustable Time Delay
• Thermally Protected • Built-in Scrolling Digital Display • Remote Display • Field Servicable • UL Certified and Canadian Approved • Lifetime Warranty • Made in the USA