--- product_id: 600021757 title: "Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter" brand: "nilight" price: "S$28" currency: SGD in_stock: true category: "Nilight" url: https://www.desertcart.sg/products/600021757-nilight-40a-inline-circuit-breaker-12-24v-dc-manual-reset store_origin: SG region: Singapore --- # 40A high current rating Water-resistant cover Manual reset push button Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter **Brand:** nilight **Price:** S$28 **Availability:** ✅ In Stock ## Summary > ⚡ Reset, Protect, Repeat — Power up without the downtime! ## Quick Answers - **What is this?** Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter by nilight - **How much does it cost?** S$28 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/600021757-nilight-40a-inline-circuit-breaker-12-24v-dc-manual-reset) ## 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 - • **Instant Manual Reset:** Forget fuse replacements—reset your system instantly with the intuitive push-button kill switch for ultimate convenience. - • **Durable Water-Resistant Design:** Built to withstand harsh environments with a rugged alloy body and waterproof cover, perfect for marine and outdoor use. - • **Versatile 12-24V Compatibility:** Seamlessly integrates with a wide range of vehicles and systems including RVs, boats, trucks, and solar inverters. - • **Easy Surface Mount Installation:** Securely mount on panels or firewalls with included screw mounts for a clean, professional setup. - • **Reliable 40A Overload Protection:** Safeguard your car audio and electrical systems with a robust 40-amp circuit breaker designed for high-current demands. ## Overview The Nilight 40A Inline Circuit Breaker is a high-performance, manual reset fuse holder designed for 12-24V DC systems. Featuring a durable, water-resistant alloy construction and a convenient push-button reset, it protects automotive, marine, and solar electrical circuits from overload damage. Ideal for car audio, RVs, boats, and trucks, it offers easy surface mounting and supports 3-15 AWG wiring, ensuring reliable, long-lasting circuit protection. ## Description Buy Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter: Fuse Holders - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Manual reset circuit breaker: Manual reset button, no need to replace the inline fuse. When the circuit current exceeds the rated current, the fuse burns out and automatically disconnects, which can well protect the electrical appliances. The unique push button reset can also be used as a kill switch. - Protect your system: The circuit breaker can protect car audio, low-voltage, and high-current electrical equipment from current overload damage. Allow to charge or maintain the battery without having to disconnect all the wires. - High quality: Car audio inline circuit breaker fuse made of alloy materials, water resistant cover, good conductivity, strong temperature and pressure resistance. Nilight car audio fuse holders 100% pass professional electrical performance test and aging test. - Application: The waterproof 12v circuit breaker is surface Mount, mount on panel or firewall. Typically used in auxiliary and accessory circuits for trucks, buses, RV's, ATV winches and marine applications. Also used in battery charges and DC sound amplifier system, vehicle audio video system, boat, marine and all 12V-24V systems. - Package Include: 1 x 12V-24V DC 40A Auto Audio Circuit Breaker Reset Fuse holder ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CFYBVG55 | | Best Sellers Rank | #16,352 in Automotive ( See Top 100 in Automotive ) #48 in Automotive Replacement Fuse Holders | | Brand Name | Nilight | | Circuit Breaker Type | Standard | | Current Rating | 40 A | | Customer Reviews | 4.2 4.2 out of 5 stars (59) | | Global Trade Identification Number | 00840323905558 | | Included Components | 1PC 40A Circuit Breaker | | Manufacturer | Nilight | | Model | 50124R | | Mounting Type | Screw Mount | | Number of Items | 1 | | Number of Packs | 1 | | Number of Poles | 2 | | Part Number | 50124R | | UPC | 840323905558 | | Unit Count | 1 Count | | Voltage | 24 volts | ## Product Details - **Brand:** Nilight - **Circuit Breaker Type:** Standard - **Current Rating:** 40 A - **Mounting Type:** Screw Mount - **Number Of Poles:** 2 ## Images ![Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter - Image 1](https://m.media-amazon.com/images/I/81gcTiQ05gL.jpg) ![Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter - Image 2](https://m.media-amazon.com/images/I/71VEsdT7ajL.jpg) ![Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter - Image 3](https://m.media-amazon.com/images/I/61oBLWe3m3L.jpg) ![Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter - Image 4](https://m.media-amazon.com/images/I/713ze+kUo3L.jpg) ![Nilight 40A Inline Circuit Breaker 12-24V DC Manual Reset Fuse Holder | 3-15 AWG Resettable Overload Protection for Car Audio Sound Amplifier System RV Marine Boat Truck Solar Inverter - Image 5](https://m.media-amazon.com/images/I/81Y3WFrRT0L.jpg) ## Available Options This product comes in different **Color, Size** 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.sg/products/600021757-nilight-40a-inline-circuit-breaker-12-24v-dc-manual-reset](https://www.desertcart.sg/products/600021757-nilight-40a-inline-circuit-breaker-12-24v-dc-manual-reset) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-18*