{"product_id":"siemens-qj2b090hl-circuit-breaker","title":"Siemens | QJ2B090HL | Circuit Breaker | 90A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens QJ2B090HL\u003c\/strong\u003e is a purpose-built two-pole circuit breaker rated at 90A and 240V, designed to deliver reliable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This unit is part of Siemens’ QJ2B family, ensuring a direct compatibility path for panels that accept this style of breaker.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 90A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing this exact part matters because matching the correct amperage, pole configuration, and voltage is essential for proper protection and system reliability. The part number QJ2B090HL is the best reference for compatibility—always confirm fit and ratings against your panel labeling before ordering.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacement in Siemens panels that require a 90A, two-pole, 240V breaker\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades where you need to preserve panel integrity and protection characteristics\u003c\/li\u003e \u003cli\u003eSpare or service replacement to minimize downtime during electrical maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical installation and care tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore swapping, ensure power is fully shut off and the panel is de-energized according to safety standards\u003c\/li\u003e \u003cli\u003eVerify that the QJ2B090HL matches your panel’s labeling and protection requirements to avoid fit or rating issues\u003c\/li\u003e \u003cli\u003eSecure terminals to the manufacturer’s torque specifications to maintain a reliable, code-compliant connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426490863778,"sku":"QJ2B090HL","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj2b090hl-circuit-breaker-90a-2-pole-240v-668.webp?v=1789587990","url":"https:\/\/www.ampstate.com\/products\/siemens-qj2b090hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}