--- product_id: 67913316 title: "Surge Guard 44290 Portable Surge Protector - 120/240V, 50A" brand: "southwire" price: "$239.20" currency: USD in_stock: true reviews_count: 13 category: "Southwire" url: https://www.desertcart.us/products/67913316-surge-guard-44290-portable-surge-protector-120-240v-50a store_origin: US region: United States of America --- # 4200 Joules surge protection 50 Amp, 120/240V compatibility Anti-theft lock ring on cord Surge Guard 44290 Portable Surge Protector - 120/240V, 50A **Brand:** southwire **Price:** $239.20 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your adventures with surge protection that travels as smart as you do! ## Quick Answers - **What is this?** Surge Guard 44290 Portable Surge Protector - 120/240V, 50A by southwire - **How much does it cost?** $239.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/67913316-surge-guard-44290-portable-surge-protector-120-240v-50a) ## Best For - southwire enthusiasts ## Why This Product - Trusted southwire brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure Your Power:** Integrated anti-theft lock ring safeguards your investment at busy campgrounds and public parks. - • **Plug & Play Simplicity:** Effortless setup with clear LED diagnostics keeps you informed and in control, no electrician needed. - • **Travel-Ready Portability:** Compact yet rugged design with an Easy-T-Pull handle makes handling and storage a breeze for the on-the-go pro. - • **Built to Last & Stay Cool:** Thickened brass receptacles reduce heat buildup, ensuring safe, reliable connections on every trip. - • **Ultimate RV Power Defense:** Protect your rig from surges, reverse polarity, and faulty park power with 4200 Joules of robust protection. ## Overview The Southwire Surge Guard 44290 is a portable 50 Amp surge protector designed for RVs and travel trailers, delivering 4200 Joules of surge defense. It features enhanced diagnostics with LED indicators, thickened brass receptacles for heat reduction, an Easy-T-Pull handle, and an anti-theft lock ring, making it a reliable, user-friendly solution for safeguarding your electrical systems on the road. ## Description Southwire Surge Guard 50 Amp Portable RV Surge Protector with Enhanced Diagnostics, 4200 Joules, 44290 Review: Own both the 30amp and 50 amp and they work great at a great price - The Surge Guard 44290 Portable Surge Protector is a must-have for RVers seeking reliable electrical protection. This unit offers 50-amp protection and is ideal for safeguarding your RV’s appliances and electronics against surges, faulty power, and voltage fluctuations at campsites. When I purchased my second RV and needed a new surge guard for my 50amp fifth wheel I went with the same brand that worked so well with my 30amp trailer. Pros: Comprehensive Protection: Guards against power surges, reverse polarity, and open grounds, providing peace of mind. Portable and Easy to Use: Plug-and-play setup makes it user-friendly, even for those less experienced with electrical equipment. Clear Indicators: LED lights clearly display the status, making it easy to monitor. Cons: Pricey: It’s on the higher end of surge protectors, but the robust protection may justify the investment for frequent RV travelers. Bulky Design: It’s a bit large, so storing it in small compartments may be tricky. Review: Great surge protector - It’s great, works great, have no issues, I recommend this product ## Features - Identifies faulty park power and provides surge protection - Perfect for pop-ups and travel trailers - Increased receptacle brass thickness reduces heat - Easy-T-Pull handle with integrated receptacle - Includes anti-theft lock ring on cord ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XXP8YFM | | Amperage | 50 Amps | | Best Sellers Rank | #34,646 in Electronics ( See Top 100 in Electronics ) #276 in Surge Protectors | | Brand | Southwire | | Built-In Media | Surge Guard | | Color | Multi | | Compatible Devices | 120/240V, 50A electrical systems (e.g., RVs, trailers) | | Customer Reviews | 4.7 out of 5 stars 882 Reviews | | Enclosure Material | Nylon | | Global Trade Identification Number | 00029892603069 | | Item Type Name | Southwire Surge Guard 50 Amp Portable RV Surge Protector with Enhanced Diagnostics, 4200 Joules, 44290 | | Item Weight | 1 Pounds | | Manufacturer | Southwire | | Maximum Current | 50 Amps | | Mfr Part Number | 44290 | | Model Number | 44290 | | Number of Outlets | 2 | | Number of Ports | 2 | | Other Special Features of the Product | Portable, Surge Protection | | Plug Type | Type B | | Power Plug Type | Type B - 3 pin (North American) | | Recommended Uses For Product | Home, Hotel, Office, Restaurant | | Shape | Rectangle | | Special Feature | Portable, Surge Protection | | Surge Protection Rating | 4200 Joules | | Total Power Outlets | 2 | | UPC | 029892603069 | | Unit Count | 1.0 Count | | Voltage | 1 Volts | | Warranty Description | Limited Lifetime Warranty | ## Product Details - **Brand:** Southwire - **Color:** Multi - **Total Power Outlets:** 2 - **Voltage:** 1 Volts - **Special Feature:** Portable, Surge Protection ## Images ![Surge Guard 44290 Portable Surge Protector - 120/240V, 50A - Image 1](https://m.media-amazon.com/images/I/61Vx-CE-IpL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Own both the 30amp and 50 amp and they work great at a great price *by J***E on November 12, 2024* The Surge Guard 44290 Portable Surge Protector is a must-have for RVers seeking reliable electrical protection. This unit offers 50-amp protection and is ideal for safeguarding your RV’s appliances and electronics against surges, faulty power, and voltage fluctuations at campsites. When I purchased my second RV and needed a new surge guard for my 50amp fifth wheel I went with the same brand that worked so well with my 30amp trailer. Pros: Comprehensive Protection: Guards against power surges, reverse polarity, and open grounds, providing peace of mind. Portable and Easy to Use: Plug-and-play setup makes it user-friendly, even for those less experienced with electrical equipment. Clear Indicators: LED lights clearly display the status, making it easy to monitor. Cons: Pricey: It’s on the higher end of surge protectors, but the robust protection may justify the investment for frequent RV travelers. Bulky Design: It’s a bit large, so storing it in small compartments may be tricky. ### ⭐⭐⭐⭐⭐ Great surge protector *by A***R on September 28, 2025* It’s great, works great, have no issues, I recommend this product ### ⭐⭐⭐⭐⭐ Excellent Product For an RV *by C***Y on December 22, 2025* This was a replacement for the same product that saved my rv from serious damage from a faulty electrical pedestal. I appreciate the bright led lights that show the status of the electrical connection. Though it doesn't have a timed delay for restoring a power interruption, it is a good value for the money. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/67913316-surge-guard-44290-portable-surge-protector-120-240v-50a](https://www.desertcart.us/products/67913316-surge-guard-44290-portable-surge-protector-120-240v-50a) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-06-24*