{"product_id":"siemens-cqd350-50a-480v-3-pole-circuit-breaker","title":"Siemens CQD350 - 50 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens CQD350 - 50A, 480V, 3-pole molded case circuit breaker is engineered to deliver dependable branch circuit protection in panelboards and loadcenters. Designed for demanding commercial and light industrial environments, this unit combines compact sizing with robust protection to keep electrical systems safe and running smoothly.\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompact molded case design\u003c\/b\u003e maximizes panel space, making it easier to fit multiple breakers in tighter enclosures without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e provides stable, repeatable protection by responding to both overloads and short circuits, ensuring predictable trips under varying temperature conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM compatibility\u003c\/b\u003e designed to pair seamlessly with matching Siemens OEM loadcenters and panelboards for reliable integration and consistent electrical characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile application\u003c\/b\u003e suitable for \u003cem\u003eresidential, commercial, and light industrial\u003c\/em\u003e distribution, delivering dependable protection across a range of circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e CQD350\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage Rating:\u003c\/b\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of Poles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eWhen protecting critical circuits, a precise and reliable trip mechanism matters. The CQD350’s thermal-magnetic design delivers consistent protection across a wide range of operating conditions, reducing nuisance trips while ensuring quick response to dangerous short circuits. Its compact form helps you maximize panel capacity without compromising safety, and the intentional OEM alignment minimizes compatibility headaches during upgrades or panel replacements.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase distribution panels in small to mid-size commercial spaces, feeding motors, lighting, and power circuits up to 50A per leg.\u003c\/li\u003e \u003cli\u003eLoadcenters and panelboards where space is at a premium but dependable overcurrent protection is non-negotiable.\u003c\/li\u003e \u003cli\u003eRetrofits or replacements within Siemens-compatible systems to maintain consistent protection characteristics and seamless operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eFor best results, pair the CQD350 with matching Siemens OEM loadcenters and panelboards to preserve protection performance and ensure correct mounting and electrical fit. Verify that your installation voltage and circuit requirements align with the 480V, 50A, 3-pole configuration, and follow standard electrical practices for mounting, wiring, and torque specifications according to local codes and manufacturer guidelines.\u003c\/p\u003e \u003cp\u003eEquip your panel with a reliable, space-efficient protection solution that delivers stable, repeatable performance when it matters most. The Siemens CQD350 is built to safeguard your electrical system with clarity, compatibility, and confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349783662754,"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_84a0e524-7040-4f10-982c-2440037e283e.png?v=1764156568","url":"https:\/\/www.ampstate.com\/products\/siemens-cqd350-50a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}