{"product_id":"zinsco-r3850-circuit-breaker","title":"Zinsco | R3850 | Circuit Breaker | 50A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Zinsco R3850 circuit breaker—a precise, purpose-built protector for 240V two-pole circuits. Engineered for maintenance, retrofit, and replacement in compatible Zinsco panels, this 50A unit delivers dependable interruption when protection is needed most. When exact specifications matter, the R3850 is engineered to meet your panel’s requirements with clarity and traceability.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e R3850\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. Part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on existing Zinsco panels that require a 50A, 2-pole, 240V breaker to restore proper protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects where older components need a precise match to current panel labeling and electrical specs.\u003c\/li\u003e \u003cli\u003eReplacement scenarios for failed or tripped 50A 240V breakers in compatible Zinsco installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eThe two-pole design ensures protection across both hot legs of a 240V circuit, providing coordinated shutoff to help prevent overloads and short circuits. With the Zinsco R3850, you get a clear, traceable part number that simplifies maintenance records and future replacements, reducing guesswork when servicing your panel.\u003c\/p\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower off the main and verify the absence of voltage before handling any breakers.\u003c\/li\u003e \u003cli\u003eVerify panel compatibility by matching the R3850 part number and the panel’s labeling for 50A, 2-pole, 240V devices.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and use appropriate personal protective equipment.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about fit or installation, consult a licensed electrician to ensure safe, code-compliant work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Zinsco R3850\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility reference:\u003c\/strong\u003e The R3850 part number is the best guide for ensuring a proper fit in panels that require this specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpec-driven replacement:\u003c\/strong\u003e Precisely matches 50A, 2-pole, 240V configurations to maintain intended circuit protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable, project-ready solution:\u003c\/strong\u003e Designed for maintenance, retrofit, and replacement workflows where exact specs matter, reducing guesswork and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your panel’s reliability with a part that speaks to exact specifications. The Zinsco R3850 50A 2-Pole 240V circuit breaker is a targeted, dependable choice for precise replacements and responsible electrical upkeep.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46427408629922,"sku":"R3850","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/zinsco-r3850-circuit-breaker-50a-2-pole-240v-147.webp?v=1789718370","url":"https:\/\/www.ampstate.com\/products\/zinsco-r3850-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}