{"product_id":"hughes-autoformer-replacement-50-amp-surge-module-rsm50w-fits-power-watchdog-pwd50epow-pwd50epohw-pwd50w","title":"Hughes Autoformer  | Replacement 50 Amp Surge Module  |  RSM50W | Fits: Power Watchdog PWD50EPOW \/ PWD50EPOHW \/ PWD50W","description":"\u003ch3 class=\"text-token-text-primary m-0 line-clamp-2 text-ellipsis text-[22px] leading-[28px] font-[510] tracking-[-0.26px] max-md:text-[18px] max-md:leading-[22px] max-md:font-medium max-md:tracking-[-0.43px]\"\u003eHughes Power Watchdog Gen II 50A Replacement Surge Module (RSM50W)\u003c\/h3\u003e\n\u003cp data-end=\"136\" data-start=\"62\"\u003e\u003cem data-end=\"136\" data-start=\"62\"\u003eFits: Power Watchdog PWD50EPOW \/ PWD50EPOHW \/ PWD50W (Gen II WiFi Units)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-end=\"188\" data-start=\"185\"\u003e\n\u003ch4 data-end=\"215\" data-start=\"190\" data-section-id=\"z7w0fo\"\u003eProduct Overview\u003c\/h4\u003e\n\u003cp data-end=\"590\" data-start=\"216\"\u003eThe Hughes Autoformer RSM50W Replacement Surge Module is a direct-fit, field-replaceable surge protection component designed specifically for 50 Amp Power Watchdog Gen II (WiFi) surge protectors. This module restores full surge protection functionality after a surge event, allowing users to extend the life of their Power Watchdog without replacing the entire unit.\u003c\/p\u003e\n\u003cp data-end=\"882\" data-start=\"592\"\u003eEngineered as a sacrificial surge protection device, the RSM50W absorbs damaging voltage spikes and electrical surges before they reach your RV’s sensitive electronics and appliances. Once depleted, the module can be quickly replaced, minimizing downtime and reducing replacement costs. \u003c\/p\u003e\n\u003chr data-end=\"887\" data-start=\"884\"\u003e\n\u003ch3 data-end=\"910\" data-start=\"889\" data-section-id=\"1g7jfts\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-end=\"1373\" data-start=\"911\"\u003e\n\u003cli data-end=\"980\" data-start=\"911\" data-section-id=\"tk8n40\"\u003e\n\u003cstrong data-end=\"939\" data-start=\"913\"\u003eDirect OEM replacement\u003c\/strong\u003e for Hughes Power Watchdog Gen II units\u003c\/li\u003e\n\u003cli data-end=\"1076\" data-start=\"981\" data-section-id=\"1ozi794\"\u003e\n\u003cstrong data-end=\"1018\" data-start=\"983\"\u003eSacrificial surge module design\u003c\/strong\u003e protects RV electrical systems from high-voltage events\u003c\/li\u003e\n\u003cli data-end=\"1135\" data-start=\"1077\" data-section-id=\"17n2uul\"\u003e\n\u003cstrong data-end=\"1109\" data-start=\"1079\"\u003ePlug-and-play installation\u003c\/strong\u003e – no soldering required\u003c\/li\u003e\n\u003cli data-end=\"1205\" data-start=\"1136\" data-section-id=\"1k4z056\"\u003e\n\u003cstrong data-end=\"1183\" data-start=\"1138\"\u003eRestores full surge protection capability\u003c\/strong\u003e after a surge event\u003c\/li\u003e\n\u003cli data-end=\"1298\" data-start=\"1206\" data-section-id=\"76iebh\"\u003e\n\u003cstrong data-end=\"1242\" data-start=\"1208\"\u003eHeavy-duty internal components\u003c\/strong\u003e engineered for RV and outdoor electrical environments\u003c\/li\u003e\n\u003cli data-end=\"1373\" data-start=\"1299\" data-section-id=\"1l1zwva\"\u003e\n\u003cstrong data-end=\"1331\" data-start=\"1301\"\u003eCost-effective alternative\u003c\/strong\u003e to replacing the entire surge protector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1378\" data-start=\"1375\"\u003e\n\u003ch4 data-end=\"1413\" data-start=\"1380\" data-section-id=\"1ub3a3t\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2118\" data-start=\"1415\"\u003e\n\u003cthead data-end=\"1442\" data-start=\"1415\"\u003e\n\u003ctr data-end=\"1442\" data-start=\"1415\"\u003e\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"1431\" data-start=\"1415\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"1442\" data-start=\"1431\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2118\" data-start=\"1468\"\u003e\n\u003ctr data-end=\"1496\" data-start=\"1468\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1486\" data-start=\"1468\"\u003e\u003cstrong data-end=\"1485\" data-start=\"1470\"\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1496\" data-start=\"1486\" data-col-size=\"md\"\u003eRSM50W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1529\" data-start=\"1497\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1519\" data-start=\"1497\"\u003e\u003cstrong data-end=\"1518\" data-start=\"1499\"\u003eAmperage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1529\" data-start=\"1519\" data-col-size=\"md\"\u003e50 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1606\" data-start=\"1530\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1550\" data-start=\"1530\"\u003e\u003cstrong data-end=\"1549\" data-start=\"1532\"\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1606\" data-start=\"1550\" data-col-size=\"md\"\u003ePWD50EPOW \/ PWD50EPOHW \/ PWD50W (Gen II WiFi models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1659\" data-start=\"1607\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1624\" data-start=\"1607\"\u003e\u003cstrong data-end=\"1623\" data-start=\"1609\"\u003eGeneration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1659\" data-start=\"1624\" data-col-size=\"md\"\u003eGen II (WiFi \/ EPO models only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1714\" data-start=\"1660\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1690\" data-start=\"1660\"\u003e\u003cstrong data-end=\"1689\" data-start=\"1662\"\u003eSurge Protection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1714\" data-start=\"1690\" data-col-size=\"md\"\u003e~4,800–6,100 Joules*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1770\" data-start=\"1715\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1739\" data-start=\"1715\"\u003e\u003cstrong data-end=\"1738\" data-start=\"1717\"\u003eElectrical System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1770\" data-start=\"1739\" data-col-size=\"md\"\u003e120\/240V AC, 50A RV service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1825\" data-start=\"1771\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1797\" data-start=\"1771\"\u003e\u003cstrong data-end=\"1796\" data-start=\"1773\"\u003eInstallation Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1825\" data-start=\"1797\" data-col-size=\"md\"\u003eInternal slide-in module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1871\" data-start=\"1826\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1847\" data-start=\"1826\"\u003e\u003cstrong data-end=\"1846\" data-start=\"1828\"\u003eTools Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1871\" data-start=\"1847\" data-col-size=\"md\"\u003ePhillips screwdriver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1941\" data-start=\"1872\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1894\" data-start=\"1872\"\u003e\u003cstrong data-end=\"1893\" data-start=\"1874\"\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1941\" data-start=\"1894\" data-col-size=\"md\"\u003eHardwired internal terminals (L1, L2, N, G)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1993\" data-start=\"1942\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"1960\" data-start=\"1942\"\u003e\u003cstrong data-end=\"1959\" data-start=\"1944\"\u003eReusability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"1993\" data-start=\"1960\" data-col-size=\"md\"\u003eReplaceable after surge event\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2068\" data-start=\"1994\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2009\" data-start=\"1994\"\u003e\u003cstrong data-end=\"2008\" data-start=\"1996\"\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"2068\" data-start=\"2009\" data-col-size=\"md\"\u003eHigh-temp PCB with integrated MOV protection components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2118\" data-start=\"2069\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2087\" data-start=\"2069\"\u003e\u003cstrong data-end=\"2086\" data-start=\"2071\"\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-end=\"2118\" data-start=\"2087\" data-col-size=\"md\"\u003eRV surge protection systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"2211\" data-start=\"2120\"\u003e*Joule rating varies slightly depending on model configuration and production revision.\u003c\/p\u003e\n\u003chr data-end=\"2216\" data-start=\"2213\"\u003e\n\u003ch4 data-end=\"2250\" data-start=\"2218\" data-section-id=\"ra9v1y\"\u003eCompatibility \u0026amp; Fitment\u003c\/h4\u003e\n\u003cp data-end=\"2281\" data-start=\"2252\"\u003e\u003cstrong data-end=\"2281\" data-start=\"2252\"\u003eDesigned exclusively for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2444\" data-start=\"2282\"\u003e\n\u003cli data-end=\"2336\" data-start=\"2282\" data-section-id=\"3e7rxc\"\u003ePower Watchdog \u003cstrong data-end=\"2312\" data-start=\"2299\"\u003ePWD50EPOW\u003c\/strong\u003e (Portable, WiFi, EPO)\u003c\/li\u003e\n\u003cli data-end=\"2393\" data-start=\"2337\" data-section-id=\"5m7ve1\"\u003ePower Watchdog \u003cstrong data-end=\"2368\" data-start=\"2354\"\u003ePWD50EPOHW\u003c\/strong\u003e (Hardwired, WiFi, EPO)\u003c\/li\u003e\n\u003cli data-end=\"2444\" data-start=\"2394\" data-section-id=\"pulog3\"\u003ePower Watchdog \u003cstrong data-end=\"2421\" data-start=\"2411\"\u003ePWD50W\u003c\/strong\u003e (Gen II WiFi models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2535\" data-start=\"2446\"\u003e⚠️ \u003cstrong data-end=\"2495\" data-start=\"2449\"\u003eNot compatible with Gen I (non-WiFi) units\u003c\/strong\u003e \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"2540\" data-start=\"2537\"\u003e\n\u003ch4 data-end=\"2573\" data-start=\"2542\" data-section-id=\"1vbrgq3\"\u003eInstallation Overview\u003c\/h4\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.190244s;\"\u003e\u003cstrong\u003eSimple installation! The only tool required is a Phillips screw driver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.190244s;\"\u003e\u003cspan style=\"color: rgb(244, 21, 21);\"\u003e\u003cstrong\u003eMake sure unit is unplugged before installation!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.197561s;\"\u003e\u003cstrong\u003eINSTRUCTIONS\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-rte-list=\"true\"\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.204878s;\"\u003e\u003cstrong\u003eUNPLUG THE UNIT\u003c\/strong\u003e - make sure unit is fully disconnected from power prior to installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.212195s;\"\u003e\u003cstrong\u003eUnscrew\u003c\/strong\u003e \u003cstrong\u003e6\u003c\/strong\u003e Phillips screws on the back of the unit\u003c\/p\u003e\n\u003cul data-rte-list=\"true\"\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.212195s;\"\u003e\u003cstrong\u003e7\u003c\/strong\u003e screws for the EPO versions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.219512s;\"\u003e\u003cstrong\u003eUnscrew\u003c\/strong\u003e the top cable gland nut and move it up the cord.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.226829s;\"\u003eThe surge module slides in\/out of the slot. Unclip the one red\/black wire, and loosen the screws holding the fork wire connectors to the wire leads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.234146s;\"\u003e\u003cstrong\u003eUnplug\u003c\/strong\u003e the old surge module from the unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.241463s;\"\u003e\u003cstrong\u003eConnect \u003c\/strong\u003ethe new surge protection module and wires. \"G\" is ground and green color, \"N\" is neutral and white color, \"L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"preFade fadeIn\" data-rte-preserve-empty=\"true\" style=\"white-space: pre-wrap; transition-timing-function: ease; transition-duration: 0.9s; transition-delay: 0.24878s;\"\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e all the screws and re-tighten the cable gland nuts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2924\" data-start=\"2810\"\u003eInstallation is typically completed in \u003cstrong data-end=\"2866\" data-start=\"2849\"\u003e10–15 minutes\u003c\/strong\u003e with basic tools. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"2929\" data-start=\"2926\"\u003e\n\u003ch4 data-end=\"2952\" data-start=\"2931\" data-section-id=\"16xtqh3\"\u003eHow It Works\u003c\/h4\u003e\n\u003cp data-end=\"3069\" data-start=\"2953\"\u003eThe RSM50W uses \u003cstrong data-end=\"3010\" data-start=\"2969\"\u003emetal oxide varistor (MOV) technology\u003c\/strong\u003e to detect and absorb excess voltage. During a surge event:\u003c\/p\u003e\n\u003col data-end=\"3260\" data-start=\"3070\"\u003e\n\u003cli data-end=\"3125\" data-start=\"3070\" data-section-id=\"12fesg6\"\u003eThe module diverts excess energy away from your RV\u003c\/li\u003e\n\u003cli data-end=\"3201\" data-start=\"3126\" data-section-id=\"1sqys87\"\u003eInternal components sacrifice themselves to protect downstream systems\u003c\/li\u003e\n\u003cli data-end=\"3260\" data-start=\"3202\" data-section-id=\"1b42em7\"\u003eThe module can then be replaced to restore protection\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-end=\"3265\" data-start=\"3262\"\u003e\n\u003cul data-end=\"3452\" data-start=\"3289\"\u003e\n\u003cli data-end=\"3452\" data-start=\"3388\" data-section-id=\"1akju4v\"\u003eReplacement for tripped or depleted Hughes Power Watchdog surge protection modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3457\" data-start=\"3454\"\u003e\n\u003cp data-end=\"3735\" data-start=\"3481\"\u003eThe Hughes RSM50W is a critical service component that allows Power Watchdog owners to quickly and affordably restore surge protection without replacing the entire unit—making it an essential maintenance item for any 50A RV electrical system.\u003c\/p\u003e","brand":"Hughes Auto","offers":[{"title":"Default Title","offer_id":56480839008559,"sku":"RSM50W","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/2020\/6383\/files\/HughesAutoformer_Replacement50AmpSurgeModule_RSM50W_FitsPowerWatchdogPWD50EPOW-PWD50EPOHW-PWD50W_05.webp?v=1775752663","url":"https:\/\/unitedrvparts.com\/products\/hughes-autoformer-replacement-50-amp-surge-module-rsm50w-fits-power-watchdog-pwd50epow-pwd50epohw-pwd50w","provider":"United RV Parts","version":"1.0","type":"link"}