{"product_id":"west-391","title":"Blue Sea Systems 12V ML Series Remote Battery Switch with Manual Control BSS-7700","description":"\u003cp\u003eBlue Sea Systems 7700, commonly sold in dealer listings as \u003cstrong\u003e7700-BSS\u003c\/strong\u003e, is a genuine \u003cstrong\u003eML-Series Remote Battery Switch with Manual Control\u003c\/strong\u003e for \u003cstrong\u003e12V DC\u003c\/strong\u003e systems. Blue Sea identifies it as a \u003cstrong\u003e500A magnetic-latching remote battery switch\u003c\/strong\u003e that can be operated manually or from remote locations, with a manual override knob that also provides \u003cstrong\u003eLOCKED OFF\u003c\/strong\u003e capability for servicing.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Blue Sea Systems OEM part number \u003cstrong\u003e7700 \/ 7700-BSS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V DC\u003c\/strong\u003e ML-Series remote battery switch with \u003cstrong\u003emanual control\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500A continuous\u003c\/strong\u003e rating, \u003cstrong\u003e700A for 5 minutes\u003c\/strong\u003e, \u003cstrong\u003e1100A for 1 minute\u003c\/strong\u003e, and \u003cstrong\u003e2500A for 10 seconds\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic latching bi-stable\u003c\/strong\u003e design draws \u003cstrong\u003e0mA\u003c\/strong\u003e in the ON or OFF state and draws current only when changing state.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003e2145 SPDT Remote Control Contura Switch\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\"-16 tin-plated copper studs\u003c\/strong\u003e with \u003cstrong\u003e7\/8 in. (22 mm)\u003c\/strong\u003e stud length for multiple cable terminals.\u003c\/li\u003e\n\u003cli\u003eRated \u003cstrong\u003eIP66\u003c\/strong\u003e and meets \u003cstrong\u003eISO 8846\u003c\/strong\u003e and \u003cstrong\u003eSAE J1171\u003c\/strong\u003e ignition-protection standards.\u003c\/li\u003e\n\u003cli\u003eApproximate weight \u003cstrong\u003e2.05 lb (0.93 kg)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-specific part\u003c\/strong\u003e. The 7700 is selected by \u003cstrong\u003ebattery-bank layout, system voltage, cable size, and switching requirements\u003c\/strong\u003e rather than by engine make or model. Blue Sea positions it for high-amperage battery switching for \u003cstrong\u003eengine, inverter, house loads, and emergency battery combine\u003c\/strong\u003e functions in marine electrical systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMatch this switch by \u003cstrong\u003eelectrical-system requirements\u003c\/strong\u003e rather than by engine serial number. The key checks are \u003cstrong\u003e12V DC system voltage\u003c\/strong\u003e, required current capacity, cable size, stud size, mounting space, and whether the installation calls for a \u003cstrong\u003eremote battery switch with manual override\u003c\/strong\u003e instead of a standard manual battery switch or a different ML-Series variant.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this switch when the existing battery switch no longer changes state reliably, the manual override is damaged, the contacts have failed under load, or the installation needs a higher-quality remote battery switching setup with lock-off capability. This replacement guidance is a practical service inference based on Blue Sea's stated use of the 7700 for high-amperage switching under load in marine battery-management systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall the 7700 only after confirming the correct \u003cstrong\u003e12V control circuit\u003c\/strong\u003e, cable size, current load, and mounting arrangement. Blue Sea's current specifications call for \u003cstrong\u003e2x 4\/0 cable\u003c\/strong\u003e to meet ratings, \u003cstrong\u003e140 in-lb (15.82 Nm)\u003c\/strong\u003e terminal stud torque, and \u003cstrong\u003e#10 mounting\u003c\/strong\u003e hardware, and the retail 7700 version uses \u003cstrong\u003etinned-wire control leads\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent sources show \u003cstrong\u003e7700\u003c\/strong\u003e and \u003cstrong\u003e7700-BSS\u003c\/strong\u003e as the standard retail part-number formats for this same switch. Related ML-Series variants include \u003cstrong\u003e7700100\u003c\/strong\u003e for the bulk version with \u003cstrong\u003eDeutsch\/Amphenol-style connection\u003c\/strong\u003e, and \u003cstrong\u003e7702 \/ 7702100\u003c\/strong\u003e for the \u003cstrong\u003e24V\u003c\/strong\u003e versions. These are related family references, not direct substitutes unless the system requirements match.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith remote battery switches, the most important match is the \u003cstrong\u003esystem voltage and current requirement\u003c\/strong\u003e, not just the overall shape of the switch body. For the 7700, confirming \u003cstrong\u003e12V\u003c\/strong\u003e, \u003cstrong\u003e500A continuous capacity\u003c\/strong\u003e, and the need for \u003cstrong\u003emanual override with lock-off\u003c\/strong\u003e will usually save more trouble than comparing switches by appearance alone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564114903076,"sku":"BSS-7700","price":460.1,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/4739db78-87b9-44c3-9cbf-a442bb4d6f11.png?v=1776834828","url":"https:\/\/marisolmarine.com\/products\/west-391","provider":"Marisol Marine Company","version":"1.0","type":"link"}