{"product_id":"wfco-replacement-converter-section-wf-8540-mba-for-8500-series-converters-40-amp","title":"WFCO | Replacement Converter Section | WF-8540-MBA | For 8500 Series Converters | 40 AMP","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"aa2e3ab5-6806-4e65-bbe0-a015056ce950\" data-testid=\"conversation-turn-107\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69498070-03cc-8331-a9d8-bb958cdb818d-11\" data-testid=\"conversation-turn-108\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"0f189b26-14a9-4384-858e-8247849f218f\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"312\"\u003eRestore reliable power to your RV with the WF-8540-MBA Main Board Assembly, a fast and efficient replacement solution for compatible power centers. Designed for simplicity, this board installs in minutes using just two screws along with three AC and two DC wire connections—no rewiring or complex setup required.\u003c\/p\u003e\n\u003cp data-start=\"314\" data-end=\"569\"\u003eBuilt for convenience and safety, the WF-8540-MBA supports hi-pot testing and offers an optional reverse polarity detection feature. This added protection meets current RVIA and NEC requirements and includes an audible alarm to alert you of wiring issues.\u003c\/p\u003e\n\u003cp data-start=\"571\" data-end=\"713\"\u003eIdeal for quick repairs or upgrades, this main board assembly helps get your RV’s electrical system back up and running with minimal downtime.\u003c\/p\u003e\n\u003cul data-start=\"725\" data-end=\"1093\"\u003e\n\u003cli data-section-id=\"1uvlgxw\" data-start=\"725\" data-end=\"767\"\u003eModel: WF-8540-MBA main board assembly\u003c\/li\u003e\n\u003cli data-section-id=\"12qud2i\" data-start=\"768\" data-end=\"827\"\u003eQuick and easy installation in approximately 10 minutes\u003c\/li\u003e\n\u003cli data-section-id=\"h6g1iz\" data-start=\"828\" data-end=\"852\"\u003eNo rewiring required\u003c\/li\u003e\n\u003cli data-section-id=\"119o85g\" data-start=\"853\" data-end=\"915\"\u003eConnects with two screws, three AC wires, and two DC wires\u003c\/li\u003e\n\u003cli data-section-id=\"bfqg2w\" data-start=\"916\" data-end=\"963\"\u003eCompatible replacement for RV power centers\u003c\/li\u003e\n\u003cli data-section-id=\"1y4nu9x\" data-start=\"964\" data-end=\"991\"\u003eSupports hi-pot testing\u003c\/li\u003e\n\u003cli data-section-id=\"u4006m\" data-start=\"992\" data-end=\"1050\"\u003eOptional reverse polarity detection with audible alarm\u003c\/li\u003e\n\u003cli data-section-id=\"1xubfy5\" data-start=\"1051\" data-end=\"1093\"\u003eMeets RVIA and NEC safety requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"WFCO","offers":[{"title":"Default Title","offer_id":57243508801839,"sku":"WF-8540-MBA","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/2020\/6383\/files\/WF-8500-MBA-Slide-1.png?v=1777131183","url":"https:\/\/unitedrvparts.com\/products\/wfco-replacement-converter-section-wf-8540-mba-for-8500-series-converters-40-amp","provider":"United RV Parts","version":"1.0","type":"link"}