{"product_id":"siemens-bq3b09000s01-90a-3p-240v-circuit-breaker","title":"Siemens BQ3B09000S01 90A 3P 240V Circuit Breaker, Shunt Trip | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens BQ3B09000S01—a 90 A, 3-pole, 240 V circuit breaker with an integrated shunt trip. Designed for panelboards, load centers, and distributed electrical systems, it delivers targeted protection where it matters most. AmpState keeps this direct part-number match in stock for quick, reliable replacements, making maintenance planning simpler and faster.\u003c\/p\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eShunt Trip for remote safety\u003c\/strong\u003e: The integrated shunt-trip capability enables immediate, remote disconnection in response to external control signals or safety interlocks, supporting safer emergency shutdowns and coordinated protection across your system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 90 A, 3-Pole, 240 V protection\u003c\/strong\u003e: Ideal for three-phase feeders and loads common in commercial and light industrial environments, delivering coordinated protection across all phases with a single unit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match for reliability\u003c\/strong\u003e: A smart choice for panel builders and maintenance teams who need exact Siemens part numbers to ensure compatibility, reducing the risk of ordering the wrong component and minimizing downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInventory you can trust\u003c\/strong\u003e: Available from AmpState, making it easier to stock spare breakers for critical panels and faster replacement when a fault occurs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing failed or outdated breakers in three-phase distribution systems that operate at 240 V.\u003c\/li\u003e \u003cli\u003eEmergency shutdown integration where remote trip capability is required—linking with building management, safety interlocks, or automation systems for rapid disconnection.\u003c\/li\u003e \u003cli\u003eSpare inventory for panel builders and service teams that must maintain exact Siemens components to preserve system integrity and warranty compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: BQ3B09000S01\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type\u003c\/strong\u003e: Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpecial feature\u003c\/strong\u003e: Shunt Trip\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center is compatible with the BQ3B90xx series and supports shunt-trip operation for remote disconnection.\u003c\/li\u003e \u003cli\u003eEnsure correct torque on mounting and wiring terminals according to Siemens installation guidelines to maintain reliable trip performance.\u003c\/li\u003e \u003cli\u003ePlan for remote-trip signaling in your safety architecture—confirm that control circuits provide a clean, compliant signal to trigger the shunt trip when needed.\u003c\/li\u003e \u003cli\u003eKeep a dedicated spare in your maintenance stock to minimize downtime during a fault or upgrade project.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose AmpState for this Siemens breaker\u003c\/h3\u003e\n\u003cp\u003eAmpState specializes in providing exact-pit parts with reliable availability. With the Siemens BQ3B09000S01, you’re getting a proven solution for critical distribution points, backed by fast access to spare inventory and guided compatibility assistance to confirm fit and performance.\u003c\/p\u003e \u003cp\u003eIf you’re confirming fit or matching a part number for a specific panel configuration,AmpState offers quick support to validate compatibility and ensure a seamless replacement process for your Siemens protection strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412505546914,"sku":"BQ3B09000S01","price":1554.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b09000s01-90a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}