Progressive Industries 50A surge protector EMS-LCHW50



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:

5-Mode / 3,580J / 88,000A max current spike

Response time: < 1 nanosecond (10⁻⁹ second)
Ratings: 50A / 240V/120V / 12,000W
Operating Temperatures: -40C to +105C
Product Dimensions: 9″ W x 5″ H x 4″ D

Tech Specs:

Part #: EMS-LCHW50
Box Dimensions: 5″ W x 9½” H x 4½” D
Boxed Weight: 4 lbs



This is what I installed in my trailer and what the standard to which all other surge protectors are measured against.


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