Southwire 44290 Surge Guard Portable RV Surge Protector 50A 120/240V 4200 Joules

The Southwire Surge Guard 44290 is a portable 50-amp RV surge protector designed to safeguard your RV's electrical system from damaging power surges and faulty campground pedestal wiring. Rated for 120/240V, 50-amp service with 4,200 joules of surge protection, it delivers robust defense for motorhomes, fifth wheels, and travel trailers equipped with a standard four-prong 50-amp shore power connection.

Enhanced Campground Power Diagnostics:

• Identifies faulty park power before it reaches your RV
• Tests and indicates Open Neutral, Open Ground, and Reverse Polarity conditions
• Detects Open Circuit/No Power, Missing Leg 1/Leg 2 Voltage, and Surge Protection Status
• Thermal sensor monitors and alerts for Overheating Plug or Receptacle
• Easy-to-read LED fault chart delivers quick, at-a-glance power analysis

Built for Convenience and Durability:

• Portable design — no installation required
• Easy-T-Pull handle with integrated receptacle for effortless connection and disconnection
• Increased receptacle brass thickness naturally reduces heat during operation
• Weather-resistant construction with rain-proof cover for outdoor use
• Includes anti-theft lock ring on cord
• Automatically reconnects after a surge event

Key Specifications:

• Voltage: 120/240V
• Amperage: 50A
• Surge Protection Rating: 4,200 Joules
• Maximum Spike Current: 6,500A per MOV
• Maximum Wattage: 12,000W
• Enclosure Material: Nylon
• UL Listed

The Surge Guard 44290 is an essential piece of equipment for any RV owner who wants to protect their investment from unpredictable campground power — plug in with confidence every time you hook up to shore power.