{"product_id":"siemens-qj23b110a02-circuit-breaker","title":"Siemens | QJ23B110A02 | Circuit Breaker | 110A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens QJ23B110A02 Circuit Breaker—a precise, purpose-built protective device designed for 240V systems that run three-phase loads. Engineered for maintenance, retrofit, and replacement projects, this breaker delivers dependable interruption protection when matching specifications matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 110 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ23B110A02\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens QJ23B110A02 for your panel\u003c\/h3\u003e\n\u003cp\u003eWhat sets this circuit breaker apart is its exact part-number accuracy. Using QJ23B110A02 as the reference ensures compatibility with Siemens panels and components in the QJ family, preserves the intended trip characteristics, and minimizes the risk of mismatched protection. This isn’t a generic replacement—it’s a true, factory-aligned solution that keeps electrical protection consistent with the original design.\u003c\/p\u003e \u003ch3\u003eWho is this ideal for?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors handling panel upgrades, repairs, or routine maintenance in commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003eFacility managers responsible for reliable three-phase distribution with 240V circuits.\u003c\/li\u003e \u003cli\u003eTechnicians performing retrofit work where exact specifications are required to maintain system warranties and protection standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where aging or worn breakers need an exact Siemens replacement to maintain approved protection curves.\u003c\/li\u003e \u003cli\u003eMaintenance schedules for three-phase equipment powered by 240V networks, ensuring consistent shutdown behavior during faults.\u003c\/li\u003e \u003cli\u003eNew installations in Siemens-compatible panels that demand a 110 A, 3-Pole, 240 V protective device with reliable coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless integration. The part number QJ23B110A02 is the most reliable reference for compatibility, so cross-check it against your panel labeling and documentation to avoid mismatches that could affect protection and warranty.\u003c\/p\u003e \u003ch3\u003eWhat you gain with this Siemens circuit breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise protection for 240V, three-phase circuits with a 110 A rating, supporting stable electrical distribution in demanding environments.\u003c\/li\u003e \u003cli\u003eEnhanced reliability through a genuine Siemens component designed to align with original system specifications.\u003c\/li\u003e \u003cli\u003eStreamlined maintenance—fewer surprises during replacement thanks to exact part matching and documented compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426491027618,"sku":"QJ23B110A02","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b110a02-circuit-breaker-110a-3-pole-240v-997.webp?v=1789588032","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b110a02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}