{"product_id":"ampper-battery-disconnect-switch-12-48v-on-off-master-cutoff-275a-continuous-rugged-marine-rv-car-isolator","title":"Ampper Battery Disconnect Switch 12–48V On\/Off Master Cutoff — 275A Continuous, Rugged Marine\/RV\/Car Isolator","description":"\u003cstrong\u003eAmpper Battery Disconnect Switch is a heavy-duty On\/Off master power isolator for 12–48V DC systems that safely cuts battery power to prevent drain and provide a reliable shutoff for cars, RVs, and boats.\u003c\/strong\u003e\n\n\u003cp\u003eThis compact, rugged switch is built to isolate a vehicle or boat battery quickly and securely. Housed in impact-resistant ABS with an insulated rear cover, it protects terminals from accidental shorts and includes copper studs, mounting hardware and heat-shrink tubing for a straightforward installation. Rated for high continuous and momentary currents, it’s suitable for a wide range of mobile and marine electrical setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this switch protect my battery when a vehicle is stored?\u003c\/h3\u003e\n\u003cp\u003eSwitching to the Off position severs the connection between your battery and the electrical system so parasitic draws from alarms, stereos, sensors or control modules are prevented. That means a parked car, stored RV or moored boat won’t slowly discharge and leave you with a dead battery when you return.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-position On\/Off operation for simple manual control.\u003c\/li\u003e\n  \u003cli\u003ePrevents parasitic drain from accessories and electronics.\u003c\/li\u003e\n  \u003cli\u003eHelps preserve battery life during long storage periods.\u003c\/li\u003e\n  \u003cli\u003eEasy to turn to ensure quick isolation before transport or maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical loads and voltages can the Ampper switch handle?\u003c\/h3\u003e\n\u003cp\u003eThe Ampper switch supports DC systems from 12V up to 48V and is specified for heavy duty current protection. It carries 275 A continuous at 12V, 455 A intermittent, and can tolerate 1250 A momentary surges—adequate for most starter, trolling motor and high-current accessory circuits found in vehicles and small vessels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with DC 12–48V installations.\u003c\/li\u003e\n  \u003cli\u003e275 A continuous \/ 455 A intermittent \/ 1250 A momentary ratings.\u003c\/li\u003e\n  \u003cli\u003eCopper 3\/8\" terminal studs with nuts and washers for secure connections.\u003c\/li\u003e\n  \u003cli\u003eRear insulated cover reduces risk of accidental shorts and corrosion points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and what comes in the kit?\u003c\/h3\u003e\n\u003cp\u003eThe switch is designed for straightforward mounting and wiring by DIYers or technicians. The package includes all basic hardware and small accessories so you can mount the unit, attach heavy-gauge cables, and protect the connections with heat-shrink before returning the cover.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete kit: switch, 4 sets of mounting bolts, 4 copper lugs, wrench and 4 heat-shrink tubes.\u003c\/li\u003e\n  \u003cli\u003eFour mounting holes for secure panel or deck installation.\u003c\/li\u003e\n  \u003cli\u003eCompact 2.68\" x 2.68\" x 3.07\" footprint fits tight spaces in engine bays and compartments.\u003c\/li\u003e\n  \u003cli\u003eCan be used alone or mechanically linked with other switches for multi-battery setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this switch fit my car, RV or boat electrical system safely?\u003c\/h3\u003e\n\u003cp\u003eYes—its universal design works with automotive, recreation vehicle and marine DC systems when properly sized. The robust ABS housing and insulated rear cover improve safety in damp or vibration-prone environments, while the heavy copper studs handle common starter and accessory currents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUniversal application: cars, trucks, RVs, boats and electrical equipment.\u003c\/li\u003e\n  \u003cli\u003eInsulated housing helps reduce risk in marine or moist conditions.\u003c\/li\u003e\n  \u003cli\u003e3\/8\" terminal stud size matches common battery cable lug fittings.\u003c\/li\u003e\n  \u003cli\u003eDurable construction intended for frequent On\/Off use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Ampper Battery Disconnect Switch is for boat owners, RV enthusiasts, fleet operators and DIY mechanics who need a reliable, easy-to-install battery master cutoff. Choose this switch when you want a compact, high-current rated isolator to prevent battery drain, simplify maintenance, and add a straightforward safety shutoff to 12–48V electrical systems.\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 voltages and currents does the Ampper switch support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports DC 12–48V; rated 275 A continuous, 455 A intermittent, and 1250 A momentary at 12V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the switch easy to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes mounting bolts, copper lugs, a wrench and heat-shrink tubing for straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ampper","offers":[{"title":"Default Title","offer_id":67594185965753,"sku":"B0B3JMJK43","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ampper-front-view-mounted-switch.jpg?v=1790582167","url":"https:\/\/redleafauto.ca\/products\/ampper-battery-disconnect-switch-12-48v-on-off-master-cutoff-275a-continuous-rugged-marine-rv-car-isolator","provider":"Redleaf Auto","version":"1.0","type":"link"}