{"product_id":"zinsco-qfp125-3p-circuit-breaker","title":"Zinsco | QFP125-3P | Circuit Breaker | 125A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Zinsco QFP125-3P circuit breaker — a purpose-built solution for maintenance, retrofit, and replacement in Zinsco electrical panels. This 125A, 3-pole, 240V breaker is designed to restore reliability and protection for high-demand circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Zinsco QFP125-3P for your panel?\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for Zinsco panel architectures, this circuit breaker delivers dependable overcurrent protection for 240V circuits. It’s a targeted replacement option that helps restore performance after wear, nuisance trips, or aging components in legacy panels, without compromising safety or compatibility.\u003c\/p\u003e \u003ch3\u003eCompatibility and installation considerations\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel model. The part number, QFP125-3P, is the best reference for compatibility with Zinsco panels. If you’re unsure, consult your panel documentation or a licensed electrician to ensure an exact match in amperage, pole count, and voltage – precision here is essential for safe operation.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or replacement in legacy Zinsco panels experiencing degraded protection\u003c\/li\u003e \u003cli\u003eUpgrading 240V circuits that require a robust 125A protection level\u003c\/li\u003e \u003cli\u003eMaintenance cycles in residential or light commercial electrical systems with Zinsco infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a service log with the panel model and breaker part number for easy future replacements\u003c\/li\u003e \u003cli\u003eEnsure the main disconnect is off and the panel is de-energized before replacement\u003c\/li\u003e \u003cli\u003eInspect bus bars and terminals for signs of overheating, arcing, or corrosion during installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Zinsco QFP125-3P 125A 3-Pole 240V circuit breaker is a precise, reliable choice when you need exact compatibility for Zinsco panels. Its 125A rating equips you to protect demanding loads while maintaining system safety and panel integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46427396800674,"sku":"QFP125-3P","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/zinsco-qfp125-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}