--- product_id: 266365577 title: "MaySpare Solenoid Relay Switch 12 Volt 4 Terminal Trombetta PowerSeal Solenoid 150 Amp Intermittent Duty DC Contactor, 684-1261-212, 684-1251-212" brand: "mayspare" price: "$47.75" currency: USD in_stock: true reviews_count: 8 category: "May Spare" url: https://www.desertcart.us/products/266365577-mayspare-solenoid-relay-switch-12-volt-4-terminal-trombetta-powerseal store_origin: US region: United States of America --- # 150A intermittent current 12V DC coil voltage Sealed, heat-resistant design MaySpare Solenoid Relay Switch 12 Volt 4 Terminal Trombetta PowerSeal Solenoid 150 Amp Intermittent Duty DC Contactor, 684-1261-212, 684-1251-212 **Brand:** mayspare **Price:** $47.75 **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with MaySpare — where reliability meets endurance! ## Quick Answers - **What is this?** MaySpare Solenoid Relay Switch 12 Volt 4 Terminal Trombetta PowerSeal Solenoid 150 Amp Intermittent Duty DC Contactor, 684-1261-212, 684-1251-212 by mayspare - **How much does it cost?** $47.75 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/266365577-mayspare-solenoid-relay-switch-12-volt-4-terminal-trombetta-powerseal) ## Best For - mayspare enthusiasts ## Why This Product - Trusted mayspare brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted OEM Quality:** OEM specification met with a 4.2-star rating and top 25 rank in motor contactors—join the pros who rely on MaySpare. - • **Durability Engineered:** Sealed construction with 180℃ copper coil wire ensures superior heat resistance and long-lasting operation. - • **Versatile Application:** Perfect for hydraulic systems, RVs, grid heaters, lawn and garden equipment—your all-in-one power relay. - • **Powerhouse Performance:** Handles a robust 150 amps intermittent and surges up to 800 amps for peak reliability. - • **Precision Compatibility:** 4-terminal design with non-grounded 10-32 studs and dual 5/16-24 copper contact studs for seamless integration. ## Overview The MaySpare 12V 4-terminal solenoid relay switch delivers 150A intermittent and 800A surge current capacity, featuring a sealed, heat-resistant design with premium copper contacts. Engineered for diverse applications including hydraulics, RVs, and lawn equipment, it meets OEM standards and enjoys strong customer trust with a 4.2-star rating. ## Description Buy MaySpare Solenoid Relay Switch 12 Volt 4 Terminal Trombetta PowerSeal Solenoid 150 Amp Intermittent Duty DC Contactor, 684-1261-212, 684-1251-212: Motor Contactors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Pure Excellence - For my Snowplow. Buy 2 for a reason. I tighten up nut to small prong to tight broke. Use the other. Plow works fine. Now old solinoid tired worn out. But yes. This works for a snow way plow. I recommend. Just order 2 more. Just in case. Came same day I ordered. Great price. No local stores do not have any city Review: Good product for the price. - Good product, just wrong application for what I needed. ## Features - 12VDC with 4 Terminal/ Compatible With Case; Non-grounded 10-32 studs; (2) 5/16-24 copper contact studs - Intermittent Amps: 150A,Surge Amps: 800A / Replace Part Number: 684-1261-212, 684-1251-212 - Coil Roll is using 180℃ copper wire, Narrow curved L-bracket; Sealed design is More durable and upgrade heat resistance performance - Wide Use on variety of Hydraulic, RV, Grid Heater & Lawn and Garded Applications etc - Provide better service, please contact us if you have any questions! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08NSSZXLB | | Best Sellers Rank | #30,808 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Motor Contactors | | Brand Name | MaySpare | | Coil Resistance | 150 Ohms | | Coil Voltage | 12 Volts | | Connector Type | Screw | | Contact Current Rating | 150 Amps | | Contact Material | Copper | | Contact Type | Normally Open | | Current Rating | 150 Amps | | Customer Reviews | 4.2 4.2 out of 5 stars (110) | | Manufacturer | MaySpare | | Minimum Switching Voltage | 12 Volts | | Mounting Type | DIN Rail Mount | | Operation Mode | Automatic | | Part Number | US- 12V Contactor Relay | | Specification Met | OEM | | UPC | 750139843831 | | Wattage | 1800 watts | ## Product Details - **Connector Type:** Screw - **Contact Material:** Copper - **Contact Type:** Normally Open - **Current Rating:** 150 Amps - **Mounting Type:** DIN Rail Mount ## Images ![MaySpare Solenoid Relay Switch 12 Volt 4 Terminal Trombetta PowerSeal Solenoid 150 Amp Intermittent Duty DC Contactor, 684-1261-212, 684-1251-212 - Image 1](https://m.media-amazon.com/images/I/61jkJFARgyL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Pure Excellence *by P***L on January 12, 2025* For my Snowplow. Buy 2 for a reason. I tighten up nut to small prong to tight broke. Use the other. Plow works fine. Now old solinoid tired worn out. But yes. This works for a snow way plow. I recommend. Just order 2 more. Just in case. Came same day I ordered. Great price. No local stores do not have any city ### ⭐⭐⭐⭐⭐ Good product for the price. *by D***O on August 31, 2025* Good product, just wrong application for what I needed. ### ⭐⭐⭐⭐⭐ Make sure it’s the correct voltage. *by J***E on October 28, 2024* Item was just as described. Ordered to a pick-up locker and received 2 days quicker. Installed next day and got my RV slide back in working order. --- ## 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.us/products/266365577-mayspare-solenoid-relay-switch-12-volt-4-terminal-trombetta-powerseal](https://www.desertcart.us/products/266365577-mayspare-solenoid-relay-switch-12-volt-4-terminal-trombetta-powerseal) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*