{"product_id":"siemens-cqd250-50a-480v-2-pole-circuit-breaker","title":"Siemens CQD250 - 50 A, 480 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens CQD250, a 50A, 480V, 2-pole molded case circuit breaker, is engineered to shield panelboards and load centers from overcurrent and short-circuit events with precision and reliability. Its compact molded-case design maximizes panel space, making it a smart choice for densely packed electrical installations.\u003c\/p\u003e \u003cp\u003eThe thermal-magnetic trip unit delivers stable, repeatable protection across varying temperatures and loads, balancing safety with long-term reliability and minimizing nuisance trips that can disrupt operations.\u003c\/p\u003e \u003cp\u003eDesigned for seamless compatibility, the CQD250 is crafted to fit with matching OEM load centers and panelboards, ensuring proper mounting, alignment, and coordinated protection in your electrical system.\u003c\/p\u003e \u003cp\u003eIdeal for residential, commercial, and light industrial applications that deploy 480V circuits, this breaker provides dependable two-pole protection where it matters most.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design:\u003c\/strong\u003e preserves panel space and simplifies installation in tight enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e delivers fast, stable protection against overcurrent and short circuits, with consistent performance across conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V, 2-pole, 50A rating:\u003c\/strong\u003e rugged, high-voltage protection tailored for demanding branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility:\u003c\/strong\u003e designed to match Siemens panelboards and load centers for reliable coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical systems requiring robust protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CQD250\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 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 2\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\u003eUse cases and practical tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProtect 480V branch circuits feeding equipment in light industrial panels, including pumps, fans, conveyors, and control gear.\u003c\/li\u003e \u003cli\u003eInstall in commercial electrical rooms powering lighting, receptacle banks, and HVAC controls where space is at a premium.\u003c\/li\u003e \u003cli\u003eIn residential settings, apply to dedicated 480V services or specialty installations that require robust two-pole protection with a compact footprint.\u003c\/li\u003e \u003cli\u003eEnsure compatibility with your OEM load center, verify physical fit, and follow industry standards during installation; rely on a qualified electrician for wiring and commissioning tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349782843554,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cqd250-50-a-480-v-2-pole-circuit-breaker-ampstate-breakers-906.webp?v=1788724227","url":"https:\/\/www.ampstate.com\/products\/siemens-cqd250-50a-480v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}