--- product_id: 398039238 title: "QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase" brand: "tiptop home" price: "185 kr" currency: NOK in_stock: false reviews_count: 5 url: https://www.desertcart.no/products/398039238-qwork-bridge-rectifier-mdq-300a-1600v-high-power-single-phase store_origin: NO region: Norway --- # 300A Output Welding Structure 1600V Voltage QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase **Brand:** tiptop home **Price:** 185 kr **Availability:** ❌ Out of Stock ## Summary > ⚙️ Power Up Your Projects with Confidence! ## Quick Answers - **What is this?** QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase by tiptop home - **How much does it cost?** 185 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/398039238-qwork-bridge-rectifier-mdq-300a-1600v-high-power-single-phase) ## Best For - tiptop home enthusiasts ## Why This Product - Trusted tiptop home brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stable & Reliable:** Enjoy consistent performance with excellent temperature and power cycling capabilities. - • **Powerful Performance:** Experience a robust 300A output for all your high-demand applications. - • **High Voltage Resilience:** With a peak reverse voltage of 1600V, this rectifier is built to handle the toughest conditions. - • **Efficient Heat Management:** Designed for optimal heat dissipation, ensuring longevity and reliability. - • **Customer-Centric Guarantee:** Shop with confidence thanks to our 100% Satisfaction Guarantee for a month! ## Overview The QWORK Bridge Rectifier MDQ-300A is a high-performance single-phase rectification module designed for large flow capacity and efficient heat dissipation. With an output current of 300A and a repetitive peak reverse voltage of 1600V, it ensures stable and reliable operation, making it ideal for demanding applications. Backed by a satisfaction guarantee, this rectifier is perfect for professionals seeking quality and performance. ## Description QWORK Review: Perfect - Mounted on my old Lincoln welder to turn it into a DC welder. Works great Review: Excellent on my Lincoln box - I purchased this in order to convert my quite old 180 amp AC Lincoln red box welder to DC by cutting the welding leads and attaching them to this rectifier with the leads attached to the other side being DC. I have found this to work very well. There is, I believe, some power drop, but it is minimal. I did find it very difficult to use 1/8" 7018 welding rods, but 3/32" rods worked very well. I had no problems with overheating, but must point out that I never set the amperage higher than 145. Amperage is the only setting on this early-1970s vintage box. ## Features - Single-phase: Single-phase rectification, large flow capacity, good heat dissipation, and pressure reduction. - Rectifier bridge specifications: Output current: 300A, repetitive peak reverse voltage (VRRM): 1600V. - Excellent performance: The welding structure has good temperature and power cycling ability, more stable performance and high reliability. - Satisfaction Guaranteed: Good service. Enjoy a smooth & frustration free experience with our 100% Satisfied Service in one Month. ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.8 out of 5 stars 23 Reviews | ## Images ![QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase - Image 1](https://m.media-amazon.com/images/I/616K1+udwBL.jpg) ![QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase - Image 2](https://m.media-amazon.com/images/I/61z0-QzoxrL.jpg) ![QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase - Image 3](https://m.media-amazon.com/images/I/51fXIMjLUAL.jpg) ![QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase - Image 4](https://m.media-amazon.com/images/I/61jXwdDsvRL.jpg) ![QWORK Bridge Rectifier, MDQ-300A 1600V High Power Single Phase Bridge Rectifier, 4 Terminal Full Wave Diode Module Welding Structure Rectification Module Large Flow Capacity DC One Phase - Image 5](https://m.media-amazon.com/images/I/51sGqXLkNDL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by K***N on June 18, 2024* Mounted on my old Lincoln welder to turn it into a DC welder. Works great ### ⭐⭐⭐⭐⭐ Excellent on my Lincoln box *by J***H on December 21, 2022* I purchased this in order to convert my quite old 180 amp AC Lincoln red box welder to DC by cutting the welding leads and attaching them to this rectifier with the leads attached to the other side being DC. I have found this to work very well. There is, I believe, some power drop, but it is minimal. I did find it very difficult to use 1/8" 7018 welding rods, but 3/32" rods worked very well. I had no problems with overheating, but must point out that I never set the amperage higher than 145. Amperage is the only setting on this early-1970s vintage box. ### ⭐⭐⭐⭐⭐ Buy at Amazon. *by G***Y on July 4, 2022* Great service, excellent product and fast delivery. --- ## 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/398039238-qwork-bridge-rectifier-mdq-300a-1600v-high-power-single-phase](https://www.desertcart.no/products/398039238-qwork-bridge-rectifier-mdq-300a-1600v-high-power-single-phase) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*