The hardwired EMS-HW50C RV Surge & Electrical Protector
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.  


Because its permanently installed and hardwired in the rear electrical compartment, loss do to theft or forgetting to pack a portable surge protection device when departing the campground is all but eliminated. As wired in this motorhome, the EMS protects both external campground power as well as generator power malfunctions. 

Product Features:

  • Over/Under voltage Protection
  • Open Ground, Open Neutral & Reverse Polarity Detection
  • Open Ground, Open Neutral & Reverse Polarity Protection 
  • 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 Serviceable 
  • UL Certified and Canadian Approved
  • Lifetime Warranty 
  • Made in the USA

AC Power Upgrades

Seller post-delivery upgrades significantly enhance the comfort and convenience of this coach.

2014 Winnebago Adventurer 32H For Sale

Product & Tech Specs:

  • Surge Protection: 5-Mode / 3,580J / 88,000A
  • Ratings: 50A / 120V/240V / 12,000W
  • Operating Temperatures: -40C to +105C
  • Data Cable: 14'
  • Product Dimensions: 9" W x 5" H x 4" D
  • Box Dimensions: 5" W x 9½" H x 4½" D
  • Boxed Weight: 5 lbs