10 Best 50 Amp Rv Surge Protector of December 2025

• Analyzes the pedestal to ensure proper electrical conditions before allowing power to the RV
• Protection against open ground, open neutral, reverse polarity, miswired pedestal, low and high frequency, plus low and high voltage
• Continued protection against low and high voltage and low and high frequency.
• Only Electrical Protection System to offer load side protection against elevated ground line current and open neutral conditions (50A only) inside the RV
• Lifetime Warranty with Connected Equipment Coverage

Surge Guard

• Fit type: Universal Fit
• Easy grip handles
• Very Light Weight - 5 lbs.
• 50 amp portable Surge Protection

Hughes Autoformer

• 4, 800 Joules of advanced surge protection
• Smart Circuit Analyzer will shut down power to RV if a dangerous event occurs and an alert will be sent to your smartphone
• Plug-n-play – Only 4 second delay power on after plugging in (others brands are up to 2 minutes)
• Built in 90 second power-on delay after a fault to protect your AC unit
• Complete LED Park Power Diagnostics with wireless fault alerts – Open ground, open neutral, reverse polarity, open circuit and miss-wired
• Fit type: Universal Fit

Hughes Autoformers

• Brand: Southwire Company LLC
• Part Number: 44390

Southwire Company LLC

• Identifies faulty park power plus offers 4200 Joules of surge protection
• Analyzes circuits to verify pedestal power
• Indicators illuminate to show power status
• Tests for and indicated open ground, open neutral and correct polarity
• Perfect for Pop-ups and Travel Trailers

Technology Research

• Comes with full brand warranty
• Fits multiple makes and models (contact seller with your vehicle for fitment compatibility information)

Arcon

• RV Electrical Protection: Protects your RV from dangerous high (>132 VAC) and low (<102 VAC) voltage levels as well as power surges
• Auto Connect/Disconnect Feature: Automatically disconnects from dangerous conditions and reconnects after normal operating conditions have been restored
• Diagnostic LEDs: Provide indication of faults when you connect your electrical cord to the power pedestal
• Protects Against Wiring Issues: Protects against faults for reverse polarity, open neutral, and other wiring issues
• Integrated Surge Protection: Up to 4, 200 Joules
• 50-Amp: 50-Amp male (NEMA 14-50P)/50-Amp female (NEMA 14-50R)
• PowerGrip Handles: Contoured grips make plugging and unplugging easier
• Weather-Resistant: Withstands adverse weather conditions when installed in the upright position

Camco

• UL listed surge protector designed to handle the high power consumption demands of RVers
• Analyzes circuits to identify power supply status
• Checks for open ground, open neutral, correct polarity and reversed lines/ground
• Weather resistant with a rain-proof cover

Surge Guard

• Continuously monitors for and displays voltage and amp draw (RMS)
• LCD display (English)
• 10 second start up sequence
• 128 second reset delay protects A/C compressor
• Dimensions: 4.68" width x 22.00" length x 3.86" depth

Southwire

• Surge Protection: 5-Mode / 1650J / 45,000A. Ratings: 50A / 120V/240V / 12,000W. Operating Temperatures: -40C to +105C
• Open Ground, Open Neutral & Reverse Polarity Detection, Miswired Pedestal Indication, Surge Failure Indicator
• Designed for Outdoor Use, Weather Resistant, All Weather Shield Assembly, Thermally Protected
• Rugged Pull Handle, Locking Bracket, Tough Lexan Housing, Brighter 3-Color LED Indicators
• UL Certified and Canadian Approved, Lifetime Warranty (excludes All Weather Shield Assembly).
• Assembly Cover: 5" W x 13½" H x 5" D
• No shut off option.

PROGRESSIVE INDUSTRIES