{"product_id":"siemens-bq2b090h-90a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens BQ2B090H - 90 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover dependable, high-performance protection with the Siemens BQ2B090H — a 2-pole, 90A bolt-on molded case circuit breaker designed to guard your panelboards and load centers against overcurrent and short-circuit events. Built for stability in real-world installations, this breaker delivers reliable response in residential, commercial, and light industrial systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact even in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e delivers stable, repeatable protection performance, quickly responding to overloads and short circuits while adapting to temperature changes.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible design\u003c\/b\u003e is tuned to work seamlessly with matching Siemens panelboards and loadcenters, ensuring proper fit, operation, and trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile protection\u003c\/b\u003e ideal for protecting 240V circuits in a wide range of applications, from home electrical panels to light commercial and industrial feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e BQ2B090H\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage Rating:\u003c\/b\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of Poles:\u003c\/b\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting Style:\u003c\/b\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential panels needing robust protection for large 240V circuits feeding equipment like heat pumps, water heaters, or subpanel feeders.\u003c\/li\u003e \u003cli\u003eCommercial installations where stable protection is required for 2-pole circuits powering pumps, compressors, or HVAC gear.\u003c\/li\u003e \u003cli\u003eLight industrial applications seeking a durable bolt-on solution that minimizes vibration-related contact issues and ensures reliable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the BQ2B090H is engineered for precise coordination with Siemens panel ecosystems. The bolt-on mounting method reduces movement and arcing risk over time, while the thermal-magnetic trip unit protects both against sustained overloads and sudden short-circuit events. This combination delivers predictable protection and easier maintenance in panelboards and load centers that are designed to work together, helping you avoid compatibility gaps and unexpected trips.\u003c\/p\u003e \u003ch3\u003eInstallation and durability tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure the panelboard is designed for bolt-on breakers to maintain proper contact integrity.\u003c\/li\u003e \u003cli\u003eMount securely to preserve a solid bus connection and minimize vibration-induced wear.\u003c\/li\u003e \u003cli\u003eUse as a dedicated protection device for single zones or feeders in 240V circuits to maximize protection coverage and simplify fault tracing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens BQ2B090H, you’re choosing a trusted, purpose-built solution for dependable branch circuit protection. It’s the practical, durable choice for keeping your electrical system safe and performing as intended—today, tomorrow, and for years to come.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349763444898,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_20903504-c484-441b-949a-ea9b20c81a7d.png?v=1764156128","url":"https:\/\/www.ampstate.com\/products\/siemens-bq2b090h-90a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}