{"product_id":"siemens-cqd280-80a-480v-2-pole-circuit-breaker","title":"Siemens CQD280 - 80 A, 480 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens CQD280\u003c\/strong\u003e is a dependable 80A, 480V, 2-pole molded case circuit breaker designed to protect branch circuits in panelboards and load centers from overcurrent and short circuits. Built for durable performance in residential, commercial, and light industrial environments, this device ensures reliable protection where it matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey differentiators that matter in the real world\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space and simplifies installation, helping you fit more protection where you need it without crowding the enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across a wide range of loads and ambient conditions, reducing nuisance trips and improving safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built to work with matching Siemens load centers and panelboards, ensuring seamless integration and consistent electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e—suitable for residential basements, commercial offices, and light industrial setups that require solid 2-pole 80A protection at 480V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: CQD280\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 80A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting individual branch circuits in commercial panelboards and load centers where 480V distribution is standard\u003c\/li\u003e \u003cli\u003eUpgrading or replacing aging breakers in existing Siemens OEM systems to maintain consistent performance and compatibility\u003c\/li\u003e \u003cli\u003eFeeder protection in light industrial installations that demand a reliable 80A, 480V solution\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eThe CQD280 combines a compact form factor with a thermal-magnetic trip mechanism, delivering predictable response during short circuits and steady operation during normal loading. This means fewer unexpected outages, improved safety for occupants, and easier panel management when you’re organizing multiple circuits within a single enclosure.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eDesigned to be used with Siemens OEM load centers and panelboards, the CQD280 ensures aligned trip curves and electrical coordination with other Siemens protection devices. Installers should follow standard electrical codes and practices, verify panel compatibility, and torque connections to the manufacturer’s specifications for optimal performance.\u003c\/p\u003e \u003cp\u003eWhen you need reliable, stout protection for 80A circuits in 480V systems, the Siemens CQD280 provides a precise balance of space efficiency, protective reliability, and seamless integration with existing Siemens panel infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349782974626,"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_1ceeb8d8-014e-4b67-9fb6-929f99759e5d.png?v=1764156552","url":"https:\/\/www.ampstate.com\/products\/siemens-cqd280-80a-480v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}