{"product_id":"mayspare-max-300a-heavy-duty-solenoid-relay-nickel-plated-12vdc-for-golf-carts-winches-marine","title":"MaySpare Max 300A Heavy-Duty Solenoid Relay – Nickel-Plated 12VDC for Golf Carts, Winches \u0026 Marine","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMaySpare presents the Max 300A heavy duty solenoid relay, a nickel plated starter relay designed for demanding 12V DC systems. Built to handle short bursts with high transient current while staying durable in busy environments, it suits golf carts, winches, and marine setups where reliable switching matters.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCoil resistance around 14 ohms with a coil power near 10.2 watts\u003c\/li\u003e\n\u003cli\u003eContacts are Normally Open (NO) and operate at 12V DC\u003c\/li\u003e\n\u003cli\u003eIncludes two copper contact points for consistent engagement\u003c\/li\u003e\n\u003cli\u003eReplaces multiple manufacturer part numbers and uses a straight mounting bracket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDurable construction\u003c\/h3\u003e\u003cp\u003eThe coil uses 180 C copper wire, and the cover is nickel plated to meet environmental plating standards while resisting rust and maintaining a bright finish over time.\u003c\/p\u003e\u003ch3\u003ePerformance and duty hints\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaximum transient current can reach 300A, with a recommended continuous operating current under 100A\u003c\/li\u003e\n\u003cli\u003eThis is a starter solenoid intended for use during the start sequence\u003c\/li\u003e\n\u003cli\u003eHold time of about five minutes between starts is advised; allow a cool down before the next start\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical usage\u003c\/h3\u003e\u003cp\u003eIn a golf cart, it can engage the starter circuit during acceleration. In a winch, it facilitates decisive power switching, and in marine 12V systems it supports reliable activation of accessories. Consider this as a robust relay option for demanding setups.\u003c\/p\u003e\u003ch3\u003eInstallation tips\u003c\/h3\u003e\u003cp\u003eMount on a straight bracket with the specified hole pattern and ensure secure electrical connections. Refer to the product data for exact mounting hole dimensions and compatibility notes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What applications is the MaySpare Max 300A solenoid suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Golf carts, winches, and marine 12V DC systems needing robust switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation and operation tips support longevity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Allow a cooldown between starts; follow a 5-minute hold for repeated starts; ensure proper mounting on a straight bracket.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MaySpare","offers":[{"title":"Default Title","offer_id":42466822586453,"sku":"B072MZHK48","price":33.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/mayspare-max-300a-solenoid-relay-front-view-nickel.jpg?v=1778051578","url":"https:\/\/plentytorque.co.uk\/products\/mayspare-max-300a-heavy-duty-solenoid-relay-nickel-plated-12vdc-for-golf-carts-winches-marine","provider":"PlentyTorque","version":"1.0","type":"link"}