{"product_id":"zinsco-rc38-70-u-70a-240v-2p","title":"ZINSCO RC38-70 U 70A 240V 2P","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"42\" data-end=\"60\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"61\" data-end=\"471\"\u003eThe Zinsco RC38-70 U is a molded case \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003ecircuit breaker \u003c\/a\u003edesigned for Zinsco load centers, providing overcurrent protection for 120\/240V circuits. It interrupts electrical flow during overloads or short circuits to protect wiring and connected equipment. This model belongs to the RC38 “thin\/tandem” series, allowing a 2-pole 240V circuit in a compact breaker footprint, commonly used in legacy electrical panels.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"473\" data-end=\"492\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"493\" data-end=\"827\"\u003eThe Zinsco RC38-70 breaker is used in residential and light commercial panels to protect high-load circuits such as HVAC systems, electric ranges, subpanels, and large equipment. It is specifically designed for Zinsco\/Sylvania\/Challenger panel compatibility and is typically used for maintenance or replacement in older installations.\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"829\" data-end=\"860\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"861\" data-end=\"1629\"\u003e• Manufacturer Part Number (MPN): RC38-70 \/ RC3870 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"949\" data-end=\"952\"\u003e• Product Type: Molded Case Circuit Breaker\u003cbr data-start=\"995\" data-end=\"998\"\u003e• Poles: 2-pole \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1051\" data-end=\"1054\"\u003e• Phase: Single-phase (1PH) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1119\" data-end=\"1122\"\u003e• Rated Current: 70 Amps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1184\" data-end=\"1187\"\u003e• Rated Voltage: 120\/240 V AC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1254\" data-end=\"1257\"\u003e• Mounting Type: Plug-in (Zinsco panel compatible) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1345\" data-end=\"1348\"\u003e• Breaker Type: Thermal-magnetic \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1418\" data-end=\"1421\"\u003e• Interrupt Rating: ~10 kA @ 240V \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1492\" data-end=\"1495\"\u003e• Design: Thin \/ tandem (R-38 frame) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1569\" data-end=\"1572\"\u003e• Application: Branch circuit protection for 240V loads\u003c\/p\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-69b93b6a-82dc-8326-83c1-64f3bdc7e028-29\" data-is-intersecting=\"true\"\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 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-69b93b6a-82dc-8326-83c1-64f3bdc7e028-29\" data-testid=\"conversation-turn-731\" 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=\"47934a37-e287-4068-be06-e0ca5937ff0d\" data-turn-start-message=\"true\" 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\" 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 dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"2113\" data-end=\"2139\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2140\" data-end=\"2312\" data-is-only-node=\"\"\u003e• Connecticut Electric UBIZ0270 (aftermarket replacement)\u003cbr data-start=\"2197\" data-end=\"2200\"\u003e• Zinsco \u003ca href=\"https:\/\/plgautomation.com\/products\/zinsco-rc38-70-u-70a-240v-2p?_pos=1\u0026amp;_sid=871d0def2\u0026amp;_ss=r\"\u003eRC38-70\u003c\/a\u003e refurbished units\u003cbr data-start=\"2234\" data-end=\"2237\"\u003e• Full panel upgrade (Siemens, Eaton, Square D) for long-term reliability\u003c\/p\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\n\u003c\/div\u003e","brand":"ZINSCO","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734976364846,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_88214e38-2d28-4c5e-8dd1-78f5f5a13955.jpg?v=1770607971","url":"https:\/\/plgautomation.com\/products\/zinsco-rc38-70-u-70a-240v-2p","provider":"PLG Automation ","version":"1.0","type":"link"}