{"product_id":"siemens-qj3b080a02-circuit-breaker","title":"Siemens | QJ3B080A02 | Circuit Breaker | 80A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJ3B080A02 circuit breaker delivers dependable overcurrent protection for 240V systems with a 3-pole configuration. Built to support maintenance, retrofit, and replacement projects, this part is designed to fit Siemens panels that require the exact specifications of the QJ3B080A02 series.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 80A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart reference:\u003c\/b\u003e QJ3B080A02\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility note:\u003c\/b\u003e Best reference for matching panels and components is the part number itself; confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this specific breaker matters in real-world use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirect replacement in Siemens panels that require a 3-pole, 80A, 240V protection device minimizes downtime and ensures the panel’s protection scheme remains intact.\u003c\/li\u003e \u003cli\u003eIdeal for upgrading or retrofitting circuits that demand higher safety margins while keeping your existing Siemens infrastructure intact.\u003c\/li\u003e \u003cli\u003eClear, part-number-based compatibility reduces guesswork during maintenance and spares planning, helping you keep inventory accurate.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios you’ll encounter:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance on commercial or industrial electrical panels that use Siemens QJ-series breakers.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a circuit needs 80A protection without changing the surrounding panel hardware.\u003c\/li\u003e \u003cli\u003eReplacement for a failed or worn-out 3-pole, 240V breaker to restore normal operation and safety compliance quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for procurement and installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the panel’s label and documentation to confirm that the QJ3B080A02 is the correct fit for your specific panel model.\u003c\/li\u003e \u003cli\u003eKeep the part number (QJ3B080A02) as the primary reference when ordering or cross-referencing parts to avoid mismatches.\u003c\/li\u003e \u003cli\u003eDuring installation, follow standard electrical safety practices: de-energize equipment, use insulated tools, and secure all connections per panel manufacturer guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most from this Siemens circuit breaker:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectricians and maintenance technicians overseeing Siemens panels in commercial, industrial, or multi-tenant settings.\u003c\/li\u003e \u003cli\u003eFacility managers responsible for ensuring reliable protection upgrades and compliant replacements.\u003c\/li\u003e \u003cli\u003eProcurement teams seeking a consistent, easily identifiable replacement part for ongoing maintenance programs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Siemens QJ3B080A02 80A, 3-Pole, 240V circuit breaker is a purpose-built choice for accurate, reliable protection in compatible Siemens panels. Its explicit part-number reference supports precise compatibility, making it a smart, low-friction solution for maintenance, retrofit, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427420295330,"sku":"QJ3B080A02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b080a02-circuit-breaker-80a-3-pole-240v-106.webp?v=1789720870","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b080a02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}