{"product_id":"siemens-qn2150rh-150a-240v-2-pole-plug-in-circuit-breaker","title":"Siemens QN2150RH - 150 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QN2150RH is a 150 A, 240 V, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for fast, hassle-free service, this unit features a quick plug-in connection that speeds installation and makes replacements straightforward, minimizing downtime on critical electrical systems.\u003c\/p\u003e \u003cp\u003eAt its core, a thermal-magnetic trip unit provides stable, repeatable protection. The thermal element detects gradual overloads, while the magnetic element responds instantly to high-magnitude faults, delivering precise protection without nuisance trips. With the QN2150RH in your panel, you get reliable coordination and consistent performance under varying loads and environmental conditions.\u003c\/p\u003e \u003cp\u003eDesigned for seamless integration, this breaker is compatible with matching OEM load centers and panelboards. Whether you’re updating a residential service, outfitting a small commercial space, or configuring a light industrial panel, the Siemens QN2150RH fits the bill and helps maintain a clean, code-compliant protection scheme.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for rapid installation and easy field replacement, reducing downtime during panel upgrades or outages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable overload protection plus rapid short-circuit response for dependable safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 150 A, 240 V\u003c\/strong\u003e configuration suited for main\/branch circuit protection in a variety of panel setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in molded case design\u003c\/strong\u003e supports straightforward installation and secure mounting in compatible panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Siemens panelboards and load centers for a reliable, authorized replacement solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial environments demanding robust circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\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 QN2150RH\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 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\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 Plug-in\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 \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eElectricians, panel installers, property managers, and facility engineers will appreciate the Siemens QN2150RH for its quick installation, reliable protection, and OEM compatibility. It’s an excellent choice when upgrading aging panels, expanding electrical capability in a shop or office, or delivering code-compliant protection in new constructions.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the panelboard is compatible with Siemens QN series plug-in breakers to ensure a proper fit and coordinated protection.\u003c\/li\u003e \u003cli\u003eBefore work begins, power down the panel and follow lockout\/tagout procedures. Use the correct personal protective equipment and tools.\u003c\/li\u003e \u003cli\u003eConfirm the amperage rating (150 A) and voltage (240 V) match the circuit requirements and labeling in your panel.\u003c\/li\u003e \u003cli\u003eInsert firmly into the bus stabs until it seats fully; test the mechanism prior to re-energizing the system to ensure proper trip operation.\u003c\/li\u003e \u003cli\u003eKeep spare QN2150RH on hand for quick replacements during maintenance or expansions to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355163381922,"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_d5603b1b-6772-422e-bb32-a8e19128873c.png?v=1764689883","url":"https:\/\/www.ampstate.com\/products\/siemens-qn2150rh-150a-240v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}