{"product_id":"siemens-qj22m110hl-circuit-breaker","title":"Siemens | QJ22M110HL | Circuit Breaker | 110A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ22M110HL circuit breaker — a robust 110A, 2-pole device designed to protect 240V circuits in Siemens-compatible panels. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker delivers reliable protection and predictable trip behavior when you need it most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 110A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 240V\u003c\/li\u003e \u003cli\u003ePart number: QJ22M110HL (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Siemens model? It’s engineered to integrate smoothly with Siemens panels and compatible accessory ecosystems, delivering consistent performance across installations that require precise current rating and dependable disconnect capability. When performing maintenance, retrofits, or replacements, this breaker helps preserve electrical balance and accurate panel labeling, ensuring your system remains safe and up to code.\u003c\/p\u003e \u003ch3\u003eKey differentiators and practical benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for Siemens panels\u003c\/strong\u003e — tailored to the QJ family’s mounting and trip characteristics, reducing guesswork during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility signal\u003c\/strong\u003e — the QJ22M110HL part number provides the most reliable reference for matching breakers to your panel catalog.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for high-demand circuits\u003c\/strong\u003e — 110A rating supports heavy-load branches or 240V motor\/supply circuits with consistent overcurrent protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly design\u003c\/strong\u003e — engineered for straightforward installation, helping minimize downtime during panel service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eThis breaker is ideal for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 110A, 2-pole unit in Siemens-compatible service panels or switchboards.\u003c\/li\u003e \u003cli\u003eRetrofits where 240V, two-pole protection is required for updated circuits or code-compliant upgrades.\u003c\/li\u003e \u003cli\u003eMotor and equipment feeders running on 240V with balanced loads, ensuring both poles trip together for safe disconnect.\u003c\/li\u003e \u003cli\u003eNew installations in environments where Siemens hardware is the standard, preserving compatibility with existing breakers and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips and best practices\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings to ensure compatibility with your panel’s catalog. Use the part number \u003cstrong\u003eQJ22M110HL\u003c\/strong\u003e as the primary reference when checking listings, drawings, or labeling in your electrical room. Follow standard safety procedures and de-energize the circuit before replacement. If there’s any doubt about panel compatibility, consult the panel’s labeling or Siemens documentation to confirm the exact trip curve, mounting style, and enclosure fit.\u003c\/p\u003e \u003ch3\u003eFrequently considered questions\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIs this suitable for my 240V circuit?\u003c\/strong\u003e Yes — designed for 240V two-pole circuits with a 110A rating in compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWill it fit my Siemens panel?\u003c\/strong\u003e The QJ22M110HL is the best compatibility reference—check your panel catalog and part numbers to confirm.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHow do I replace safely?\u003c\/strong\u003e Ensure the main power is off, verify the bus type, and follow all local electrical codes; if unsure, hire a licensed electrician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427425996962,"sku":"QJ22M110HL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj22m110hl-circuit-breaker-110a-2-pole-240v-642.webp?v=1789721677","url":"https:\/\/www.ampstate.com\/products\/siemens-qj22m110hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}