--- product_id: 604442117 title: "Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht" brand: "nilight" price: "AR$104524" currency: ARS in_stock: true category: "Nilight" url: https://www.desertcart.com.ar/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v store_origin: AR region: Argentina --- # 300A continuous rating IP54 waterproof rating Secure On-Off isolation Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht **Brand:** nilight **Price:** AR$104524 **Availability:** ✅ In Stock ## Summary > 🔋 Cut the power, not your adventure – stay charged, stay secure! ## Quick Answers - **What is this?** Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht by nilight - **How much does it cost?** AR$104524 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v) ## Best For - nilight enthusiasts ## Why This Product - Trusted nilight brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lock & Load Safety:** On-Off rotary switch with lockable design to prevent accidental power drain. - • **Powerhouse Protection:** Handles up to 300A continuous current for heavy-duty vehicles and marine use. - • **Plug & Play Simplicity:** Includes wiring diagram for quick, hassle-free installation. - • **Built to Brave Elements:** IP54 waterproof ABS housing ensures durability in harsh environments. - • **Universal Compatibility:** Works seamlessly with 12-48V systems across cars, boats, RVs, ATVs, and more. ## Overview The Nilight Battery Disconnect Switch is a rugged, waterproof master isolator designed for 12-48V systems, delivering a continuous 300A current rating with a 1000A cranking surge. Its durable ABS and copper construction ensures long-lasting performance in automotive, marine, and recreational vehicles. Featuring a lockable rotary On-Off switch and IP54 protection, it prevents battery drain and enhances safety with easy installation. ## Description Buy Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht: Idle Cut-Off - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Heavy Duty: ABS plastic housing and premium copper terminal, durable made for safety use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage. - Purpose: eliminate any power from the battery when vehicle or boat is not in use, disconnects the battery safely. Avoid battery drain off. - Operation: On-Off, 2 positions, Continuous Rating : 300Amps 32VDC Max. Intermittent Rating : 450 Amps, Cranking Rating : 1000 Amps 30 sec. - Compatible: used for 12 - 32VDC systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Widely used for cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks and other devices. - Package include:1x 300A battery disconnect switch with a wiring diagram ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CR5GZ8H6 | | Actuator Type | Rotary | | Best Sellers Rank | #483 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Battery Switches | | Brand Name | Nilight | | Circuit Type | 1-way | | Color | 1Pcs On-Off Switch 300A | | Connectivity Protocol | X-10 | | Connector Type | Plug In | | Contact Material | Copper | | Contact Type | Normally Open | | Control Method | Touch | | Current Rating | 300 A | | Customer Reviews | 3.7 3.7 out of 5 stars (59) | | EU Spare Part Availability Duration | 2 years | | Included Components | 1x 300A battery disconnect switch with a wiring diagram | | International Protection Rating | IP54 | | Item Dimensions | 1 x 1 x 1 inches | | Lower Temperature Rating | 1 °C | | Manufacturer | Nilight | | Material Type | Copper, Plastic | | Model | 90330A | | Mounting Type | Panel Mount | | Number of Items | 1 | | Number of Positions | 1 | | Operating Voltage | 12 volts_of_direct_current | | Operation Mode | ON-OFF | | Part Number | 90330A | | Specification Met | 1 | | Switch Type | Kill Switch | | Terminal | Screw | | UPC | 840323914291 | | Unit Count | 1 Count | | Upper Temperature Rating | 1 °C | ## Product Details - **Brand:** Nilight - **Connector Type:** Plug In - **Contact Type:** Normally Open - **Current Rating:** 300 A - **Item dimensions L x W x H:** 1 x 1 x 1 inches - **Material:** Copper, Plastic - **Operating Voltage:** 12 volts_of_direct_current - **Operation Mode:** ON-OFF - **Switch Type:** Kill Switch - **Terminal:** Screw ## Images ![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 1](https://m.media-amazon.com/images/I/61oqNZe2idL.jpg) ![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 2](https://m.media-amazon.com/images/I/71J2P1H8zUL.jpg) ![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 3](https://m.media-amazon.com/images/I/71APDQlylrL.jpg) ![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 4](https://m.media-amazon.com/images/I/71pqr8RHeCL.jpg) ![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator | 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 5](https://m.media-amazon.com/images/I/71fCIP49xCL.jpg) ## Available Options This product comes in different **Color** options. --- ## 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.com.ar/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v](https://www.desertcart.com.ar/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-08-15*