--- product_id: 464113188 title: "Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black" brand: "makingtec" price: "410 kr" currency: NOK in_stock: true reviews_count: 5 category: "Makingtec" url: https://www.desertcart.no/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof store_origin: NO region: Norway --- # 275A continuous high current IP65 waterproof rating 12V-48V wide voltage range Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black **Brand:** makingtec **Price:** 410 kr **Availability:** ✅ In Stock ## Summary > 🔌 Cut the power, not the adventure—stay in control with MAKINGTEC! ## Quick Answers - **What is this?** Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black by makingtec - **How much does it cost?** 410 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof) ## Best For - makingtec enthusiasts ## Why This Product - Trusted makingtec brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heavy-Duty Durability:** ABS housing with tin-plated copper studs resists corrosion and short circuits - • **Powerhouse Performance:** Handles up to 275A continuous current for unstoppable energy flow - • **Built to Brave the Elements:** IP65 waterproof design keeps your power switch safe rain or shine - • **Effortless Control & Safety:** Simple rotary ON/OFF operation isolates battery to prevent drain and protect your investment - • **Universal Voltage Compatibility:** Seamlessly works with 12V to 48V DC systems—perfect for any ride ## Overview The MAKINGTEC Battery Disconnect Switch Master is a rugged, waterproof kill switch designed for 12V-48V DC systems, delivering up to 275A continuous current. Its durable ABS housing and corrosion-resistant copper terminals ensure long-lasting reliability across cars, RVs, boats, trucks, and ATVs. With easy rotary ON/OFF control, it safely isolates your battery to prevent power drain and protect your vehicle’s electrical system during maintenance or storage. ## Description MAKINGTEC Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black : desertcart.ae: Automotive Review: Works well - I installed it on my classic car, works well as described Review: Quality is bad - The nubs broken after 6 months ## Features - ✔【Package Include】1 x battery switch; 4 x mounting bolts. - ✔【Simple Operation】On/Off 2 positions (0=Off, 1=On), 275A continuous at DC 12V, 455A Intermittent at DC 12V, 1250 A momentary at DC 12V; Voltage: 12V- 48V DC; Terminal Stud Size: 2x3/8" (10mm) - ✔【Compatibility & Benefits】Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain. - ✔【Heavy Duty Construction】Sturdy durable ABS housing, rear cover insulates terminals against any short of circuits; 4 removable side plates provide access of up to 1/0 cables; Tin-plated copper studs and nuts for strong oxidation and corrosion resistance - ✔【Wide Application】Battery isolator switch is universal used for Car, Van, Caravan, RV, Truck, Marine Boat, Camper, Travel Trailer, Battery Box, ATV, UTV or or any vehicle where a battery cut-off switch is required. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B8MX5LV6 | | Actuator Type | Rotary | | Best Sellers Rank | #29,507 in Automotive ( See Top 100 in Automotive ) #73 in Car Battery Switches | | Brand | MAKINGTEC | | Brand Name | MAKINGTEC | | Circuit Type | 1-way | | Color | Black | | Compatible with Vehicle Type | car, rv, marine, boat, truck, atv | | Connector Type | Crimp | | Connector type | Crimp | | Contact Material | Copper | | Contact Type | Normally Closed | | Contact type | Normally Closed | | Control Method | Touch | | Controller Type | Ring | | Current Rating | 275 Amps | | Current rating | 275 Amps | | Customer Reviews | 4.3 out of 5 stars 19 Reviews | | International Protection Rating | IP65 | | Item Dimensions | 9 x 8 x 8 centimeters | | Manufacturer | MAKINGTEC | | Material Type | Acrylonitrile Butadiene Styrene | | Model | 768649278555 | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Positions | 2 | | Operating Voltage | 48 Volts | | Operating voltage | 48 Volts | | Operation Mode | ON-OFF | | Operation mode | ON-OFF | | Part Number | YNN-8406 | | Switch Type | Kill Switch | | Terminal | Copper | | UPC | 768649278555 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 85 Degrees Celsius | ## Product Details - **Connector type:** Crimp - **Contact type:** Normally Closed - **Current rating:** 275 Amps - **Operating voltage:** 48 Volts - **Operation mode:** ON-OFF ## Images ![Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black - Image 1](https://m.media-amazon.com/images/I/61+jiwobgiS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well *by A***D on 3 April 2024* I installed it on my classic car, works well as described ### ⭐⭐ Quality is bad *by S***N on 26 January 2026* The nubs broken after 6 months ### ⭐⭐⭐⭐⭐ Good *by S***S on 16 October 2023* Good ## Frequently Bought Together - MAKINGTEC Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black - SYOSI 12 Way Blade Fuse Block, 12V Automotive Fuse Box Holder, Waterproof Cover with Negative Bus Fuse Panel LED Indicator for Automotive Car Truck Boat Marine RV Van --- ## 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.no/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof](https://www.desertcart.no/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-21*