{"product_id":"zinsco-q243050-circuit-breaker","title":"Zinsco | Q243050 | Circuit Breaker | 50A | 3-Pole | 240V | 10kA | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Zinsco Q243050 — a 50A, 3-pole plug-in circuit breaker designed for 240V systems. This unit delivers dependable overcurrent protection for multi-wire and three-pole configurations in compatible panels, ensuring your electrical system stays safeguarded during peak loads and fault events.\u003c\/p\u003e \u003cp\u003eIdeal for maintenance, retrofit, and replacement projects where exact specifications matter, the Q243050 plugs into compatible Zinsco panels for fast, downtime-minimizing service. Use it when your installation requires a matching part number with a 50A rating and a 3-pole, 240V configuration.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 10kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your panel. The Q243050 part number is the best reference to ensure compatibility with your Zinsco system.\u003c\/p\u003e \u003ch3\u003eUse cases and who it's for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintenance and service on existing Zinsco panels that require a 50A, 3-pole, 240V plug-in breaker\u003c\/li\u003e\n\u003cli\u003eRetrofit projects where upgrading protective devices with matching specs is needed\u003c\/li\u003e\n\u003cli\u003eReplacement scenarios to restore or upgrade circuit protection without changing the panel\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eThe combination of a 50A rating, three-pole configuration, and 240V operating voltage provides robust protection for higher-current circuits and equipment operating in multi-wire environments. The 10kA interrupting rating helps ensure safe disconnection under fault conditions, reducing risk to wiring and connected loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46424387158178,"sku":"Q243050","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/zinsco-q243050-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}