--- product_id: 140114638 title: "100A 12V/24V/48V Automatic over-current DC circuit breaker/switch" brand: "photonic universe" price: "£25.20" currency: GBP in_stock: true category: "Photonic Universe" url: https://www.desertcart.co.uk/products/140114638-100a-12v-24v-48v-automatic-over-current-dc-circuit-breaker store_origin: GB region: United Kingdom --- # 100A high current capacity IP67 waterproof & ignition protected 12V-48V versatile DC compatibility 100A 12V/24V/48V Automatic over-current DC circuit breaker/switch **Brand:** photonic universe **Price:** £25.20 **Availability:** ✅ In Stock ## Summary > ⚡ Power up smart: Protect, switch, and reset with confidence! ## Quick Answers - **What is this?** 100A 12V/24V/48V Automatic over-current DC circuit breaker/switch by photonic universe - **How much does it cost?** £25.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/140114638-100a-12v-24v-48v-automatic-over-current-dc-circuit-breaker) ## Best For - photonic universe enthusiasts ## Why This Product - Trusted photonic universe brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged Durability:** UL94V-0 thermal plastic housing resists heat and harsh environments - • **Universal DC Voltage Range:** Seamlessly supports 12V, 24V, and 48V systems for ultimate flexibility - • **Waterproof & Ignition Safe:** IP67 rating plus international ignition protection standards for peace of mind - • **Dual Function Power Control:** Resettable 100A fuse + On/Off switch in one sleek unit - • **Effortless Manual Isolation:** Manual-break option doubles as a reliable isolator switch for quick system control ## Overview This 100A automatic over-current DC circuit breaker combines a resettable fuse and On/Off switch, supporting 12V to 48V DC systems. Engineered with UL94V-0 thermal plastic, it withstands high temperatures and harsh conditions. Rated IP67 waterproof and ignition protected, it ensures reliable protection against over-current events, wiring faults, and short circuits. Ideal for solar, automotive, marine, and off-grid power setups, it offers manual isolation and reset capabilities for superior system control and safety. ## Description This 100A circuit breaker combines the functions of a resettable 100A fuse and On/Off switch in one unit. It is ideal for any DC system that requires both over-current protection and manual isolation of the circuit. This product is suitable for a wide range of DC system voltages from 12V to 48V. Like any fuse, this circuit breaker is designed to protect the system from over-current as a result of high-power draw, short-circuits, wiring mistakes, equipment faults or any other high current event. The circuit breaker is resettable which makes it a superior alternative to fuses which require replacement when blown. Additionally, the breaker has a manual-break option which allows it to be used as an isolator On/Off switch for simple disconnection and reconnection of the system. The circuit breaker is made from strong thermal plastic engineered to withstand high temperatures (UL94V-0 rated). The breaker is also water resistant (IP67 rated) and ignition protected (meets international standards S.A.E. J1625, J1171, UL1500). This product is suitable for a wide range of DC applications including: - Connecting solar or wind charge controllers to batteries; - Between off-grid inverter DC input and batteries; - DC power distribution or charging circuits; - Other DC automotive and marine applications. Specifications: - Rating: 100A - Type: Thermal overcurrent protection device - Material: Thermal plastic (UL rated 94V-0) - Operating temperature: -32C to 82C - Storage temperature: -34C to 149C - Terminals size: M6 - Enclosure: IP67 - Size : 74 x 48 x 37 mm - Weight : 110g - Waterproof rating: IP67 - International standard ratings (S.A.E. J1625, J1171, UL1500) Please contact Photonic Universe if you have any questions about this product. ## Features - This 100A circuit breaker uniquely combines the functions of a resettable 100A fuse and an On/Off switch in one unit. - It is suitable for a wide range of DC system voltages - from 12V to 48V. - Designed to protect the system from over-current as a result of high power draw, short-circuits, wiring mistakes, equipment faults or any other high current event. - The circuit breaker is resettable and has a manual-break option which allows it to be used as an isolator On/Off switch. - Made from strong thermal plastic engineered to withstand high temperatures (UL94V-0 rated). It is also water resistant (IP67 rated) and ignition protected. Scroll down to Product Description for more information. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NDHX8V8 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 875,890 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,432 in Circuit Breakers | | Customer Reviews | 5.0 5.0 out of 5 stars (6) | | Date First Available | 5 Feb. 2019 | | Item Weight | 120 g | | Item model number | CB100 | | Manufacturer | Photonic Universe | | Package Dimensions | 8.8 x 6.6 x 5.2 cm; 120 g | | Part number | CB100 | | Plug profile | DIN Rail Mount | | Voltage | 12 Volts | ## Product Details - **Brand:** Photonic Universe - **Circuit breaker type:** Standard - **Current rating:** 100 Amps - **Manufacturer:** Photonic Universe - **Mounting type:** DIN Rail Mount ## Images ![100A 12V/24V/48V Automatic over-current DC circuit breaker/switch - Image 1](https://m.media-amazon.com/images/I/41MDCsE5MoL.jpg) ![100A 12V/24V/48V Automatic over-current DC circuit breaker/switch - Image 2](https://m.media-amazon.com/images/I/51VEVdWMVWL.jpg) ![100A 12V/24V/48V Automatic over-current DC circuit breaker/switch - Image 3](https://m.media-amazon.com/images/I/51lgpmaBjwL.jpg) ![100A 12V/24V/48V Automatic over-current DC circuit breaker/switch - Image 4](https://m.media-amazon.com/images/I/51yNMYFg90L.jpg) ![100A 12V/24V/48V Automatic over-current DC circuit breaker/switch - Image 5](https://m.media-amazon.com/images/I/71pHhubjUiL.jpg) --- ## 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.uk/products/140114638-100a-12v-24v-48v-automatic-over-current-dc-circuit-breaker](https://www.desertcart.co.uk/products/140114638-100a-12v-24v-48v-automatic-over-current-dc-circuit-breaker) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-02*