{"product_id":"siemens-qj3b100a01-circuit-breaker","title":"Siemens | QJ3B100A01 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3B100A01 Circuit Breaker—a purpose-built protection device designed for demanding 3‑phase, 240V electrical systems. With a robust 100A rating and three-pole configuration, this bolt-on breaker is crafted for maintenance, retrofit, and replacement projects where precise compatibility and reliable fault interruption are essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ3B100A01\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis Siemens breaker stands out for its exact fit within the QJ bolt-on family, making it a dependable choice for panel replacements and retrofits where accuracy matters most. The 3‑pole design supports balanced protection across three live conductors, while the 240V rating aligns with common commercial and industrial 3‑phase circuits. By choosing the genuine QJ solution, you keep panel electrical architecture consistent and simplify future servicing.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and replacements in Siemens panels that require a 3‑pole, 240V, 100A bolt-on breaker.\u003c\/li\u003e \u003cli\u003eMaintenance spares to minimize downtime in electrical rooms, data centers, or manufacturing floors.\u003c\/li\u003e \u003cli\u003eNew installations where a bolt-on Siemens protection device is specified by the panel labeling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey benefits in practical terms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eGenuine Siemens component designed to align with your panel’s busbar profile, reducing compatibility questions during installation.\u003c\/li\u003e \u003cli\u003eClear, unambiguous part reference (QJ3B100A01) to streamline ordering and exact matching with existing inventory.\u003c\/li\u003e \u003cli\u003eSolid 100A protection for medium-to-heavy load circuits, helping safeguard equipment and maintain operational continuity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility and installation notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. The part number is the most reliable reference for compatibility, and cross-checking against your panel’s documentation will help ensure a seamless replacement or retrofit.\u003c\/p\u003e \u003cp\u003eWith the Siemens QJ3B100A01 circuit breaker, you gain a dependable, purpose-made solution that aligns with your 3‑phase, 240V protection strategy, minimizes installation guesswork, and supports long-term reliability across industrial and commercial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427419705506,"sku":"QJ3B100A01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b100a01-circuit-breaker-100a-3-pole-240v-bolt-184.webp?v=1789720714","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b100a01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}