--- product_id: 807062606 title: "125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch" brand: "jacepfy" price: "1506521₫" currency: VND in_stock: false reviews_count: 1 url: https://www.desertcart.vn/products/807062606-125a-automatic-transfer-switch-3p-120-240v-generator-transfer-switch store_origin: VN region: Vietnam --- # 125A max current capacity Dual automatic/manual mode NEMA 3R weatherproof rating 125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch **Brand:** jacepfy **Price:** 1506521₫ **Availability:** ❌ Out of Stock ## Summary > ⚡ Power up your peace of mind with seamless, weatherproof switching! ## Quick Answers - **What is this?** 125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch by jacepfy - **How much does it cost?** 1506521₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/807062606-125a-automatic-transfer-switch-3p-120-240v-generator-transfer-switch) ## Best For - jacepfy enthusiasts ## Why This Product - Trusted jacepfy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First, Always:** Internal grounding and lockable switch prevent accidental shutdowns and electrical hazards for peace of mind. - • **Dual Mode Flexibility:** Choose automatic or manual operation to match your power needs and preferences with intuitive control lights. - • **Hassle-Free Installation:** Pre-drilled holes and spacious interior simplify wiring, backed by clear instructions for quick setup. - • **Seamless Power Transitions:** Effortlessly switch between main and backup power without interruption, keeping your home fully powered. - • **Built to Brave the Elements:** Galvanized steel enclosure with NEMA 3R rating ensures reliable outdoor and indoor use, rain or shine. ## Overview The JACEPFY 125A Automatic Transfer Switch is a robust 3-pole, dual voltage (120/240V) device designed for seamless power transfer between main and auxiliary sources. Rated for 125 amps and compliant with NEMA 3R standards, it offers durable galvanized steel construction for outdoor and indoor use. Featuring dual automatic/manual modes, clear power indicators, and enhanced safety with grounding and lockable switches, it ensures reliable, safe, and easy-to-install backup power management for modern homes. ## Description desertcart.com: 125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch | 50/60Hz Dual Power Generator Transfer Switch for Home Generator, Meeting NEMA 3R Standards, for Outdoor and Indoor Use : Patio, Lawn & Garden Review: Reliable for indoors and outdoors - I installed, the Jacepfy 125A automatic transfer switch and it handles power changes seamlessly, between utility and generator. The 3P design, works perfectly for my 120/240V setup. Switching happens quickly, at 50 or 60Hz without any hassle. NEMA 3R rating makes it reliable, for both outdoor and indoor use. Dual power capability gives peace of mind, during outages. Build quality, feels sturdy and professional grade. Wiring was straightforward, with clear terminals. It meets all the standards, I expected for safety. The automatic feature eliminates, manual intervention completely. My generator integrates smoothly, through this unit. Overall this transfer switch, delivers dependable performance every time, with a price that is easy to live with. ## Features - automatic transfer switch for generator is perfect for seamlessly switching from main power to auxiliary power such as gas generators, solar power. - Sturdy and Durable: 125 amp generator transfer switch enclosure is made of galvanized steel that resists rust and corrosion. It meets NEMA 3R standards and can withstand harsh weather conditions, ensuring uninterrupted function even during rain, hail or strong winds - Automatic or Manual Dual Mode: Dual power transfer switch allows you to choose between manual or automatic mode. The automatic transfer switch is suitable for power supply systems with AC 50 Hz or 60 Hz. Transfer switch for home generator has four power indicator lights, you can know and control your power status at any time, so you can use electricity with confidence - Safe Operation: The internal grounding setting inside the transfer switch for generator prevents inadvertent electrical contact and ensures absolute safety during usage. Lockable locking holes on the bottom of the safety switch prevent accidental power shutdown during normal power supply. A lock is included in our package for you to use - Easy to Install: Safety switch comes with detailed installation instructions, ample internal space and pre-drilled holes allow for flexible wiring, making installation easy ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0G8VPDRMP | | Best Sellers Rank | #469,980 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #409 in Outdoor Generator Transfer Switches | | Brand | JACEPFY | | Brand Name | JACEPFY | | Circuit Type | 3-way | | Connector Type | Plug In | | Contact Material | Copper | | Contact Type | Double Throw | | Control Type | Manual/Automatic | | Current Rating | 125 A | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Included Components | Transfer Switch, Mounting Hardware | | International Protection Rating | IP54 | | Item Dimensions | 10 x 6.6 x 13.5 inches | | Manufacturer | JACEPFY | | Material Type | Metal, Plastic | | Model | TS003 | | Mounting Type | Wall Mount | | Number of Positions | 2 | | Operating Voltage | 120 volts | | Operation Mode | ON-OFF | | Part Number | TS003 | | Specification Met | Nema 3r | | Switch Type | TRIAC | | Terminal | Screw | | Unit Count | 1 Count | | Upper Temperature Rating | 140 °C | ## Product Details - **Brand:** JACEPFY - **Connector Type:** Plug In - **Contact Type:** Double Throw - **Current Rating:** 125 A - **Item dimensions L x W x H:** 10 x 6.6 x 13.5 inches - **Material:** Metal, Plastic - **Operating Voltage:** 120 volts - **Operation Mode:** ON-OFF - **Switch Type:** TRIAC - **Terminal:** Screw ## Images ![125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch - Image 1](https://m.media-amazon.com/images/I/61NWQW2THpL.jpg) ![125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch - Image 2](https://m.media-amazon.com/images/I/71cfMvbKl2L.jpg) ![125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch - Image 3](https://m.media-amazon.com/images/I/71OMPl8O5eL.jpg) ![125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch - Image 4](https://m.media-amazon.com/images/I/71sbEZdDBhL.jpg) ![125A Automatic Transfer Switch, 3P, 120/240V Generator Transfer Switch - Image 5](https://m.media-amazon.com/images/I/716T5rjXUeL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable for indoors and outdoors *by C***E on July 15, 2026* I installed, the Jacepfy 125A automatic transfer switch and it handles power changes seamlessly, between utility and generator. The 3P design, works perfectly for my 120/240V setup. Switching happens quickly, at 50 or 60Hz without any hassle. NEMA 3R rating makes it reliable, for both outdoor and indoor use. Dual power capability gives peace of mind, during outages. Build quality, feels sturdy and professional grade. Wiring was straightforward, with clear terminals. It meets all the standards, I expected for safety. The automatic feature eliminates, manual intervention completely. My generator integrates smoothly, through this unit. Overall this transfer switch, delivers dependable performance every time, with a price that is easy to live with. --- ## 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.vn/products/807062606-125a-automatic-transfer-switch-3p-120-240v-generator-transfer-switch](https://www.desertcart.vn/products/807062606-125a-automatic-transfer-switch-3p-120-240v-generator-transfer-switch) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-10-05*