--- product_id: 146549759 title: "120A Relay, 12VDC Continuous Duty SPST 4-pin High Power Relay" brand: "irhapsody" price: "B/.39" currency: PAB in_stock: true reviews_count: 9 category: "I Rhapsody" url: https://www.desertcart.com.pa/products/146549759-120a-relay-12vdc-continuous-duty-spst-4-pin-high-power store_origin: PA region: Panama --- # 120A max current capacity 12V DC continuous duty coil M6 stud terminals for secure mounting 120A Relay, 12VDC Continuous Duty SPST 4-pin High Power Relay **Brand:** irhapsody **Price:** B/.39 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride with confidence — the relay that never quits! ## Quick Answers - **What is this?** 120A Relay, 12VDC Continuous Duty SPST 4-pin High Power Relay by irhapsody - **How much does it cost?** B/.39 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/146549759-120a-relay-12vdc-continuous-duty-spst-4-pin-high-power) ## Best For - irhapsody enthusiasts ## Why This Product - Trusted irhapsody brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Pros:** Top-rated with 4.7 stars and proven reliability in classic cars and marine applications. - • **Plug & Play Simplicity:** 4-pin SPST configuration with quick-connect terminals makes installation a breeze. - • **Powerhouse Performance:** Handles up to 120A high current loads with ease, perfect for demanding automotive setups. - • **Built for the Long Haul:** Continuous duty design rated for -30°C to +80°C, ready for any climate or adventure. - • **Efficient & Reliable Coil:** 1.8W coil power with 80Ω resistance ensures longer life and less heat than typical relays. ## Overview The iRhapsody 120A 12V DC heavy-duty relay delivers robust, continuous-duty performance with a low-power 1.8W coil and high 120A switching capacity. Designed for automotive and marine split charging systems, it features durable copper contacts, secure M6 stud terminals, and operates reliably across extreme temperatures. Backed by top industry certifications and stellar user reviews, this relay is the go-to choice for professionals demanding dependable high-power switching. ## Description 12 V DC 120 Amp Split Charge Relay Heavy Duty 4 Pin SPST (Single Pole Single Throw) relay Nominal coil voltage: 12 V DC Pickup voltage: 8 V DC Dropout voltage: 1.2 V DC Maximum applied voltage: 14 V DC Max Switching Current: 120A Max Switching Voltage: 14 V DC Temperature Range: -30 ~ +80 degrees Celsius Feature 1), Advantage - coil power: 1.8W; coil resistance: 80 ohms. It is more reliable than 2.4W (60 ohms) and 4.8W (30 ohms) relays on the market. 2), Large capacity: 120 amp high current carrying capacity, heavy duty make/break relay. 3), Ideal for split charging or any vehicle needing a high power relay. Package Content: 1 x 120 Amp Relay Review: Does exactly what you expect - Used this in the rewiring of my classic fiat and it's been problem free for years now. Easily handles the whole harness load and was easy to wire up. My next electrical project will include more of these for sure. Review: Works well - Works well and easy to wire up, I put it in my 77 day cruiser jet boat to power an aftermarket fuse block with keyed power. ## Features - Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market - Large capacity, high current carrying capacity, heavy-duty make/break relay - Ideal for split charging or any vehicle needing a high-power relay - Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for - The size of the round stud terminals: M6/6mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07T35K8S2 | | Best Sellers Rank | #5,932 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Accessory Power Relays | | Brand | iRhapsody | | Brand Name | iRhapsody | | Coil Resistance | 80 ohm | | Coil Voltage | 12 volts | | Connector Type | Quick Connect | | Contact Current Rating | 120 A | | Contact Material | Copper | | Contact Type | Normally Open | | Current Rating | 120 A | | Customer Reviews | 4.7 out of 5 stars 985 Reviews | | Manufacturer | IRHAPSODY | | Minimum Switching Voltage | 1.3 volts_of_direct_current | | Model | AutoRelay-12V120A1P | | Mounting Type | Screw Mount | | Operation Mode | Off | | Part Number | AutoRelay-12V120A1P | | Specification Met | NEMA, UL, VDE, cUL | | Warranty Description | 1 YEAR | | Wattage | 1.8 watts | ## Product Details - **Connector Type:** Screw - **Contact Material:** Silver - **Contact Type:** Spst - **Current Rating:** 120 Amps - **Mounting Type:** PCB Mount ## Images ![120A Relay, 12VDC Continuous Duty SPST 4-pin High Power Relay - Image 1](https://m.media-amazon.com/images/I/51OvRF0lqKL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does exactly what you expect *by E***N on August 16, 2026* Used this in the rewiring of my classic fiat and it's been problem free for years now. Easily handles the whole harness load and was easy to wire up. My next electrical project will include more of these for sure. ### ⭐⭐⭐⭐⭐ Works well *by B***N on July 21, 2026* Works well and easy to wire up, I put it in my 77 day cruiser jet boat to power an aftermarket fuse block with keyed power. ### ⭐⭐⭐⭐⭐ Awesome relay *by N***E on March 28, 2026* Great product. Works well --- ## 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.pa/products/146549759-120a-relay-12vdc-continuous-duty-spst-4-pin-high-power](https://www.desertcart.com.pa/products/146549759-120a-relay-12vdc-continuous-duty-spst-4-pin-high-power) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-09-27*