{"product_id":"zinsco-qcal100-circuit-breaker","title":"Zinsco | QCAL100 | Circuit Breaker | 100A | 2-Pole | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eZinsco QCAL100\u003c\/strong\u003e is a 100 A, 2-Pole circuit breaker designed for plug-in installation in compatible Zinsco electrical panels. Built for maintenance, retrofit, and replacement projects, this breaker helps you restore circuit protection with a precise fit and reliable performance when exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 100 A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eConnection: Plug-In\u003c\/li\u003e \u003cli\u003ePart reference: QCAL100\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: the QCAL100 is purpose-built to slot into compatible Zinsco panels, delivering the intended overcurrent protection without compromising panel clearance or trip characteristics. The plug-in design simplifies replacement work, reducing downtime while maintaining panel integrity and safety margins.\u003c\/p\u003e \u003ch3\u003eFit, compatibility and ordering tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the breaker’s fit and ratings for your specific panel. The part number QCAL100 is the most reliable reference for compatibility, ensuring you get the correct amperage, pole configuration, and connection style for your system.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in existing Zinsco panels where a 100 A, 2-pole protection device is required\u003c\/li\u003e \u003cli\u003eReplacement of a performing or failed 100 A two-pole breaker without reconfiguring the panel layout\u003c\/li\u003e \u003cli\u003eMaintenance workflows that demand quick, code-compliant upgrades or repairs with minimal downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the main service and verify absence of voltage before handling the breaker\u003c\/li\u003e \u003cli\u003eUse the correct slot in the panel designed for plug-in breakers of this style\u003c\/li\u003e \u003cli\u003eSeat the breaker firmly until it snaps into place and re-check alignment with adjacent breakers\u003c\/li\u003e \u003cli\u003eAfter installation, test each connected circuit to confirm proper tripping behavior under fault conditions\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and, if in doubt, consult a licensed electrician for installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerformance and longevity considerations\u003c\/h3\u003e\n\u003cp\u003eThe Zinsco QCAL100 is built to deliver consistent overcurrent protection at 100 A with reliable tripping performance. Regular visual inspections for signs of wear, corrosion, or loose connections can help maintain optimal operation and system safety over time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46425636733090,"sku":"QCAL100","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/zinsco-qcal100-circuit-breaker-100a-2-pole-plug-881.webp?v=1789435082","url":"https:\/\/www.ampstate.com\/products\/zinsco-qcal100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}