{"product_id":"siemens-qj22b090-90a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QJ22B090 - 90 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ22B090 90A, 240V, 2-Pole Bolt-On Molded Case Circuit Breaker—the dependable protection you need for panelboards and load centers, now from AmpState. Built to safeguard branch circuits from overcurrent and short-circuit events, this unit delivers solid performance where it matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: engineered for a rigid, vibration-resistant connection to the bus, helping prevent loose contacts that can lead to nuisance trips or degraded protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines thermal overload sensing with magnetic short-circuit protection for stable, repeatable response across a wide range of fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: designed to pair seamlessly with Siemens OEM load centers and panelboards, ensuring reliable integration with your existing electrical system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, 2-pole design\u003c\/strong\u003e: 90A amperage at 240V provides solid protection for 2-pole circuits in residential, commercial, and light industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QJ22B090\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 90A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential panelboards and subpanels needing reliable 90A protection for critical feeders or large circuits\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms where vibration and equipment operation demand a secure, vibration-resistant connection\u003c\/li\u003e \u003cli\u003eLight industrial panels that require robust, repeatable protection against overloads and short circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for installation and performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with Siemens QJ22B090 to ensure seamless fit and electrical continuity.\u003c\/li\u003e \u003cli\u003eUse proper bolt torque as specified by Siemens for a secure bolt-on connection and optimal bus contact.\u003c\/li\u003e \u003cli\u003eLeverage the thermal-magnetic protection to minimize nuisance trips on everyday load fluctuations while still delivering fast short-circuit clearing when faults occur.\u003c\/li\u003e \u003cli\u003eConsider this unit for upgrading aging or undersized protection in panelboards and load centers that rely on solid, OEM-grade components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading a residential service or outfitting a light commercial panel, the Siemens QJ22B090 delivers dependable, easy-to-integrate protection with a focus on longevity and reliability. Trusted configuration, precise protection, and a bolt-on design that resists vibration—all from AmpState. Add this 2-pole 90A 240V breaker to your panel today and safeguard your circuits with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355160039586,"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_e9e3227d-85ef-44b8-a7ab-28ab3c259605.png?v=1764689813","url":"https:\/\/www.ampstate.com\/products\/siemens-qj22b090-90a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}