{"product_id":"ldminda-12v-300a-solenoid-relay-nickel-plated-continuous-duty-4-terminal-with-resistor-diode","title":"LDMINDA 12V 300A Solenoid Relay Nickel-Plated — Continuous-Duty 4-Terminal with Resistor \u0026 Diode","description":"\u003cp\u003e\u003cstrong\u003eLDMINDA’s 12VDC continuous-duty solenoid relay with resistor and diode is a heavy-duty four-terminal battery isolation switch engineered for golf carts, winches, marine and industrial electrical systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis nickel-plated, normally-open electromagnetic relay delivers a compact, corrosion-resistant switching solution designed to handle high transient loads while offering reliable control for battery circuits. Built with a 14Ω coil and dual copper contact points, the unit is optimized for intermittent high-current events such as winch pulls, starter circuits and accessory isolation on vehicles and boats. The assembly includes a built-in resistor and diode to protect the coil and reduce electrical noise when switching inductive loads.\u003c\/p\u003e\n\n\u003ch3\u003eHow much current can the solenoid handle and what are the operating limits?\u003c\/h3\u003e\n\u003cp\u003eThe LDMINDA solenoid supports transient currents up to 300 A but is rated for continuous operation at lower currents for safety and longevity. For long-running loads it is recommended to keep continuous current below 150 A and follow duty-cycle guidance to prevent overheating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum transient flash current: 300 A\u003c\/li\u003e\n  \u003cli\u003eRecommended continuous current: under 150 A\u003c\/li\u003e\n  \u003cli\u003eTypical working current example: 80 A with duty-cycle breaks\u003c\/li\u003e\n  \u003cli\u003eFor extended continuous high loads, select a solenoid specified for sustained duty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the electrical and mechanical specifications I should know?\u003c\/h3\u003e\n\u003cp\u003eThis relay operates at 12 VDC with a coil resistance of 14 Ω and a coil power of about 10.2 W. It is a single-pole single-throw (SPST) normally-open device with two copper contact points and four terminals for battery isolation and accessory switching.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVoltage: 12 VDC; Coil resistance: 14 Ω; Coil power: 10.2 W\u003c\/li\u003e\n  \u003cli\u003eContacts: Normally open (NO) with two copper contact points\u003c\/li\u003e\n  \u003cli\u003eMounting: straight bracket with holes spaced 2-13\/64\" center (5\/16 x 19\/32 holes)\u003c\/li\u003e\n  \u003cli\u003eFinish: nickel-plated shell for corrosion resistance in varied environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications and replacement part numbers are compatible?\u003c\/h3\u003e\n\u003cp\u003eThis LDMINDA unit is intended for use where robust battery isolation and switching are required—common in marine, off-road, winch and industrial equipment. It’s also manufactured to substitute several OEM numbers so you can replace older or worn solenoids without custom wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon uses: golf carts, winches, boats, military and hydraulic systems, factory machinery\u003c\/li\u003e\n  \u003cli\u003eReplaces part numbers: 70-111224, 3635820, 1114208, 1114218, 1114223, 1114534, 1114547\u003c\/li\u003e\n  \u003cli\u003ePackage: 1 × 12V 4-terminal battery isolation solenoid with resistor and diode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanics, fleet managers, boat owners, DIYers and OEM technicians who need a compact, corrosion-resistant 12 V battery isolation relay that tolerates high transient currents will find this LDMINDA solenoid suitable. Choose it when you require a nickel-plated solenoid with dual copper contacts and an included resistor\/diode for cleaner switching of inductive loads. If your application regularly draws sustained currents near or above the recommended continuous rating, consider a solenoid model specified for extended high-current duty to ensure safe reliable performance.\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: Can this solenoid be used continuously at 300A?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. 300A is a transient flash rating. For continuous use keep current under 150A and follow duty-cycle recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the unit include protective components?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It ships with a built-in resistor and diode to protect the coil and reduce switching noise.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LDMINDA","offers":[{"title":"Default Title","offer_id":67592820097209,"sku":"B0CKZ4LV9D","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ldminda-solenoid-front-view.jpg?v=1790568459","url":"https:\/\/redleafauto.ca\/products\/ldminda-12v-300a-solenoid-relay-nickel-plated-continuous-duty-4-terminal-with-resistor-diode","provider":"Redleaf Auto","version":"1.0","type":"link"}