{"product_id":"siemens-qf250acsa-50a-240v-2-pole-plug-in-circuit-breaker","title":"Siemens QF250ACSA - 50 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QF250ACSA: a 50A, 240V, 2-pole plug-in molded case circuit breaker built to guard your electrical system where it matters most. Designed for fast, secure installation in panelboards and loadcenters, this device delivers reliable branch circuit overcurrent and short-circuit protection with a focus on consistent performance over time.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits that matter in real-world setups\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and straightforward replacement—minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by reacting appropriately to both sustained overcurrents and transient faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑level compatibility\u003c\/strong\u003e designed to work seamlessly with matching Siemens panelboards and loadcenters for a cohesive electrical system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, delivering dependable protection across diverse settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this 2-pole breaker unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 ampere rating\u003c\/strong\u003e guards high‑demand circuits while allowing safe, predictable current limitation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e240-volt operation\u003c\/strong\u003e supports typical single-phase, 240V branch circuits found in homes and small businesses.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in molded case design\u003c\/strong\u003e combines rugged construction with easy replacement in busy electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic technology\u003c\/strong\u003e balances fast response with false trips, helping protect wiring and connected equipment without interrupting legitimate loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels and main distribution panels needing reliable 2-pole protection for 240V circuits like HVAC, water heaters, and large appliance feeders.\u003c\/li\u003e \u003cli\u003eCommercial spaces with mid‑range load requirements where quick swap‑in protection minimizes downtime during panel upgrades.\u003c\/li\u003e \u003cli\u003eLight industrial installations where dependable short‑circuit protection helps safeguard motors and control circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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: QF250ACSA\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\u003c\/strong\u003e: 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\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\u003eWhy choose Siemens QF250ACSA over alternatives\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned to align with Siemens OEM load centers and panelboards, ensuring a cohesive, code-compliant electrical distribution system.\u003c\/li\u003e \u003cli\u003eThe plug-in form factor minimizes installation complexity and reduces the risk of loose connections, a common source of nuisance trips in busy electrical rooms.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic trip mechanism delivers dependable protection across a wide range of fault conditions, helping to protect wiring insulation and connected equipment from damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your Siemens panelboard or load center before replacement to ensure a smooth plug-in fit.\u003c\/li\u003e \u003cli\u003eKeep the circuit labeling clear—document the 50A capacity and 240V rating to assist future service or upgrades.\u003c\/li\u003e \u003cli\u003eFor critical loads, plan a quick‑swap strategy using the plug-in design to minimize panel downtime during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens QF250ACSA, you're choosing a purpose-built solution for robust 2-pole protection that integrates smoothly into Siemens‑based electrical systems—delivering reliable performance where it counts, from simple residential circuits to light‑industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355159548066,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qf250acsa-50-a-240-v-2-pole-plug-in-circuit-breaker-706.webp?v=1788736590","url":"https:\/\/www.ampstate.com\/products\/siemens-qf250acsa-50a-240v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}