{"product_id":"zinsco-qb2100-circuit-breaker","title":"Zinsco | QB2100 | Circuit Breaker | 100A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Zinsco QB2100 Circuit Breaker—100A, 2-Pole, 240V, Bolt-On. This unit is designed for maintenance, retrofit, and replacement projects where exact specs matter and reliable overcurrent protection is essential.\u003c\/p\u003e \u003cp\u003eWhy choose the Zinsco QB2100? It blends a bolt-on mounting for a secure, durable connection with a precise 100-amp, 2-pole, 240-volt configuration tailored for Zinsco panels. The part number QB2100 is your best reference for compatibility, helping you avoid mismatches and return circuits to service quickly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage and configuration\u003c\/strong\u003e: 100A, 2-Pole, 240V for demanding residential or light commercial circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e: A solid, field-serviceable connection that resists vibration and arcing concerns common in loose-fit breaker mounts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification\u003c\/strong\u003e: Part number QB2100 ensures you’re selecting the exact replacement for your panel’s specifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases\u003c\/strong\u003e: Ideal for routine maintenance, panel retrofits, and replacement scenarios where matching specs is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Electricians performing panel maintenance, homeowners upgrading load distribution, and facilities managers safeguarding critical circuits with a trusted Zinsco solution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation notes:\u003c\/strong\u003e Confirm fit and ratings before ordering. Use the QB2100 reference to verify compatibility with your Zinsco panel model and ensure the 100A, 2-pole, 240V bolt-on configuration matches your system requirements.\u003c\/p\u003e \u003cp\u003eIn short, the Zinsco QB2100 Circuit Breaker delivers dependable protection for 100-amp circuits in 240V service, with a bolt-on design that helps ensure a secure, long-lasting connection in supported panels. When ordering, rely on the QB2100 part number as the definitive compatibility guide to streamline your replacement or retrofit project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default Title","offer_id":46427399618722,"sku":"QB2100","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/zinsco-qb2100-circuit-breaker-100a-2-pole-240v-bolt-651.webp?v=1789716480","url":"https:\/\/www.ampstate.com\/products\/zinsco-qb2100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}