{"product_id":"siemens-cqd330-30a-480v-3-pole-circuit-breaker","title":"Siemens CQD330 - 30 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens \u003cstrong\u003eCQD330\u003c\/strong\u003e – a 30A, 480V, 3-pole molded case circuit breaker from AmpState designed to safeguard your electrical system with dependable branch circuit overcurrent and short-circuit protection. Built for panelboards and loadcenters, this breaker blends compact design with trusted Siemens engineering for reliable performance in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e frees panel space while maintaining robust protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance when overcurrent or short-circuit conditions occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports 3-phase circuits, with a rating of \u003cstrong\u003e480V\u003c\/strong\u003e for commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-panel compatibility\u003c\/strong\u003e designed to work with matching Siemens and OEM loadcenters and panelboards for a seamless fit and reliable electrical coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations requiring dependable 30A protection in 3-pole, 480V systems.\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: CQD330\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: 30 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: 3\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\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtection for branch circuits in panelboards and loadcenters within commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e3-phase distribution in 480V systems where compact, reliable protection is required.\u003c\/li\u003e \u003cli\u003eRetrofit or new installations that require compatibility with matching Siemens OEM panels for predictable protection characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the CQD330 means prioritizing consistent protection, panel efficiency, and a proven design that aligns with Siemens’ engineering standards. For installers and facilities managers, this breaker offers a straightforward path to reliable circuit protection in environments where space, stability, and compatibility matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349783269538,"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_81fb0a47-007a-4bae-886d-35f9d2b04aff.png?v=1764156562","url":"https:\/\/www.ampstate.com\/products\/siemens-cqd330-30a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}