{"product_id":"zinsco-qcb30-circuit-breaker","title":"Zinsco | QCB30 | Circuit Breaker | 2-Pole | 240V | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Zinsco QCB30: a dependable 2-Pole 240V bolt-on circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. This dedicated part keeps your electrical system protected with a focus on compatibility and longevity.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-Pole, 240V protection\u003c\/strong\u003e offers robust overcurrent interruption for standard branch circuits and shared loads, helping maintain safe operation across your panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e provides secure installation in compatible Zinsco panels, delivering a reliable connection that stays put under vibration and load changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e10kA interrupting capacity\u003c\/strong\u003e delivers strong protection for wiring and devices against short circuits, reducing the risk of damage during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for maintenance, retrofit, and replacement\u003c\/strong\u003e when you need an exact spec match to restore panel performance without unnecessary alterations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e The part number is the best reference for compatibility, with QCB30 identified as the precise model for matching specs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePoles: \u003cstrong\u003e2-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e240V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eInterrupting Capacity: \u003cstrong\u003e10kA\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting: \u003cstrong\u003eBolt-On\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart Number: \u003cstrong\u003eQCB30\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from the Zinsco QCB30\u003c\/h3\u003e\n\u003cp\u003eProperty owners and technicians working with legacy Zinsco panels will find this breaker essential for reliable restoration. It’s especially suited for retrofit projects where exact spec matching is critical, and for replacements where panel compatibility is a prerequisite to safe, code-compliant operation.\u003c\/p\u003e \u003ch3\u003eFit, use, and safety notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the breaker’s fit and ratings against your panel. The \u003cstrong\u003eQCB30\u003c\/strong\u003e part number is the best reference for compatibility, so verify your panel model and bus configuration align with this specification. Install in accordance with local electrical codes and manufacturer guidelines to ensure safe, long-lasting performance.\u003c\/p\u003e \u003cp\u003eWhether you’re upgrading an aging electrical system or replacing a failed component, the Zinsco QCB30 delivers targeted protection with a clear path to reliable operation—backed by a part designed for precise spec alignment and dependable, straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46425663963298,"sku":"QCB30","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/zinsco-qcb30-circuit-breaker-2-pole-240v-10ka-bolt-802.webp?v=1789438644","url":"https:\/\/www.ampstate.com\/products\/zinsco-qcb30-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}