{"product_id":"siemens-bq2b090-90a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B090 - 90 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BQ2B090 is a 90A, 240V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003eBuilt to withstand the demands of busy electrical environments, this breaker uses secure bolt-on mounting to deliver a rigid, vibration-resistant bus connection. That solid interface reduces connection looseness over time, helping maintain consistent protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection by combining a fast magnetic trip for short circuits with a thermal element that adapts to temperature changes, reducing nuisance trips and preserving system reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible, plug-and-play:\u003c\/strong\u003e Designed to work with matching Siemens OEM load centers and panelboards, enabling straightforward upgrades or replacements without adapters or modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile 2-pole design:\u003c\/strong\u003e 90A at 240V provides robust protection for a dedicated branch circuit or a feed to a subpanel in residential, commercial, or light industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on convenience:\u003c\/strong\u003e Simple installation that maintains a tight bus connection even in panels exposed to vibration or movement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 BQ2B090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for residential, commercial, and light industrial applications, the BQ2B090 is a reliable choice when upgrading panelboards or load centers. Its combination of secure mounting, precise protection, and OEM compatibility helps you protect critical circuits with confidence and ease.\u003c\/p\u003e \u003cp\u003ePractical usage notes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure panel compatibility with Siemens OEM load centers to guarantee proper fit and trip coordination.\u003c\/li\u003e \u003cli\u003eMount using the bolt-on method to maintain a solid, vibration-resistant connection and consistent electrical performance.\u003c\/li\u003e \u003cli\u003eKeep a spare BQ2B090 on hand for quick replacements and reduced downtime during service or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349763248290,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bq2b090-90-a-240-v-2-pole-bolt-on-circuit-breaker-ampstate-505.webp?v=1788722069","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b090-90a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}