--- product_id: 526201561 title: "RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat" brand: "rvboatpat" price: "R1531" currency: ZAR in_stock: true category: "Rvboatpat" url: https://www.desertcart.co.za/products/526201561-rvboatpat-12-volt-fuse-relay-box-pre-wired-fuse-relay store_origin: ZA region: South Africa --- # 40A high-capacity relays Waterproof sealed design 12 pre-wired fuse slots RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat **Brand:** rvboatpat **Price:** R1531 **Availability:** ✅ In Stock ## Summary > ⚡ Master your circuits with power and precision — no more messy wiring chaos! ## Quick Answers - **What is this?** RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat by rvboatpat - **How much does it cost?** R1531 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/526201561-rvboatpat-12-volt-fuse-relay-box-pre-wired-fuse-relay) ## Best For - rvboatpat enthusiasts ## Why This Product - Trusted rvboatpat brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerhouse Protection:** Equipped with four 40A relays to handle heavy-duty electrical loads safely and reliably. - • **Plug & Play Efficiency:** Pre-wired design slashes installation time, getting you back on the road or water faster. - • **Weatherproof Durability:** Sealed, waterproof casing ensures your electrical system stays safe in marine, automotive, or truck environments. - • **All-in-One Circuit Control:** Holds up to 12 ATC/ATO fuses of varying amperages (10A-30A) for versatile, neat wiring management. - • **Flexible Mounting Anywhere:** Front surface mount design lets you install the relay box securely wherever you need it. ## Overview The RVBOATPAT 12 Volt Fuse Relay Box is a pre-wired, sealed 12V relay and fuse block designed for automotive, marine, and truck applications. It features four 40A relays and twelve ATC/ATO fuse slots (10A-30A), housed in a waterproof casing with a front surface mount for easy, secure installation. This all-in-one solution streamlines complex wiring setups, offering reliable, high-capacity circuit protection with a professional, tidy finish. ## Description Buy RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat: Fuse Holders - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Pre-wired: This fuse relay box is pre-wired design, completing half of the connection work, makes the entire connection process faster and time-saving - Capacity: This fuse and relay box can max hold 4 relays and 12 fuses at the same time, making multiple relays in one box, keeps your circuit neat and tidy - New Installation Design: The front mounting design can safely install the relay fuse box anywhere. The waterproof fuse relay block is designed to provide a reliable and safe environment for the use of equipment and keep the connection system clean. It is applicable to cars, trucks, ships, etc - 40A Relay: This relay box 12v automotive will be equipped with 4 pieces of 4 pin 40A relays, provide the highest rating to make its application wider and safer - Various Size Fuses: This auto fuse block will also come with 12 pieces of ATC/ATO fuses, which includes 3 x 10A, 3 x 20A, 3 x 25A, and 3 x 30A blade fuses, can meet a wide range of using requirements ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BY7MGR78 | | Best Sellers Rank | #155,857 in Automotive ( See Top 100 in Automotive ) #209 in Automotive Replacement Fuse Holders | | Brand Name | RVBOATPAT | | Coil Voltage | 12 volts | | Connector Type | Through Hole" Or "Surface Mount | | Contact Current Rating | 40 A | | Contact Material | Silver Alloy | | Contact Type | Normally Open | | Current Rating | 40 A | | Customer Reviews | 4.5 4.5 out of 5 stars (184) | | Included Components | Pre-wired Relay Fuse Box with 12 Fuses and 4 Relays included | | Item Type Name | Pre-wired 12 Way Fuse Block with Relay | | Manufacturer | RVBOATPAT | | Maximum Switching Current | 40 A | | Minimum Switching Voltage | 12 volts_of_direct_current | | Model | RB-R4F12-W1-4P | | Mounting Type | Surface Mount | | Number of Items | 1 | | Operation Mode | Automatic | | Part Number | RB-R4F12-W1-4P | | Warranty Description | 1 Year Warranty | | Wattage | 480 watts | ## Product Details - **Connector Type:** Through Hole" Or "Surface Mount - **Contact Material:** Silver Alloy - **Contact Type:** Normally Open - **Current Rating:** 40 A - **Mounting Type:** Surface Mount ## Images ![RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat - Image 1](https://m.media-amazon.com/images/I/81pb05TLOmL.jpg) ## Frequently Bought Together - RVBOATPAT 12 Volt Fuse Relay Box Pre-Wired Fuse and Relay Box with 4 Relays and 12 Way ATC/ATO Fuses Sealed 12V Relay Fuse Box Block for Auto Car Marine Boat - XFasten Wire Harness Tape, 3/4-Inch x 50-Foot (5-Pack), High Temp Wiring Loom Harness, Self-Adhesive Felt Cloth Electrical Tape for Automotive Engines, Noise Dampening, and Cable Protection - RED WOLF Wiring Harness Tape High Temp Wire Cable Loom Self-Adhesive Fabric Tape for Electrical Automotive Engine Harness Wrap Protection Noise Damping Cables Fixed 3/4 Inch x 50 FT 5 Rolls --- ## 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.co.za/products/526201561-rvboatpat-12-volt-fuse-relay-box-pre-wired-fuse-relay](https://www.desertcart.co.za/products/526201561-rvboatpat-12-volt-fuse-relay-box-pre-wired-fuse-relay) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-30*