Hardwired Electrical Management System ( EMS)


Hardwired RV Surge & Electrical Protector

Progressive Industries Hardwired Electrical Management Systems (EMS) provide full RV protection against all adverse power conditions. 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). Replacement parts are simply plug-and-play, making repairs quick and easy. The computer is driven by state of the art microprocessors.

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

  • Field Serviceable 

  • UL Certified and Canadian Approved

  • Lifetime Warranty

Product Specs:

Surge Protection:

3-Mode / 1,790J / 44,000A max current spike

Response time: < 1 nanosecond (10⁻⁹ second)
Ratings: 30A / 120V / 3,600W
Operating Temperatures: -40C to +105C
Product Dimensions: 9" W x 5" H x 3" D

Tech Specs:

Part #: EMS-LCHW30
Box Dimensions: 5" W x 9½" H x 4½" D
Boxed Weight: 4 lbs

Marketing Resources (downloadable product images, logos, flyers, etc.)

Operating and Instruction Manual (view, download, print)

Which RV Surge &  Electrical Protection
is Right for you?



When you receive your EMS-HW or LCHW unit you may think we've forgotten to include your remote digital display (HW Units) or display board (LCHW units), cable and extra hardware in your shipping box—but we didn't. All these items are included INSIDE your unit. Simply remove the two (2) screws from the lid and open the unit where you'll find these additional items securely wrapped for shipping. 

So you see...no need to panic. We'll send you everything you need to install your new unit.

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