{"product_id":"eaton-hld3300y-300a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton HLD3300Y - 300 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton HLD3300Y — a rugged, three-pole bolt-on molded case circuit breaker engineered to deliver dependable protection for demanding electrical environments. With a 300 A rating and a 600 V capacity, this device is built to safeguard branch circuits in panelboards and load centers across residential, commercial, and light industrial settings.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact in installations subject to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance, reliably responding to overcurrent conditions and quickly interrupting fault currents to minimize damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e is ideal for balanced protection in 3‑phase systems, ensuring all phases are protected simultaneously.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work with matching OEM load centers and panelboards, simplifying upgrades, replacements, and serviceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable molded case construction\u003c\/strong\u003e stands up to the rigors of everyday electrical usage in a range of applications, from service panels to distribution boards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProtection you can rely on\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProvides robust \u003cstrong\u003ebranch circuit overcurrent protection\u003c\/strong\u003e to prevent wiring insulation damage and nuisance trips during normal operation.\u003c\/li\u003e \u003cli\u003eOffers effective \u003cstrong\u003eshort-circuit protection\u003c\/strong\u003e to quickly interrupt fault currents, reducing the risk of equipment damage and fire hazards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HLD3300Y\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 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\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 applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential panelboards where reliable 3‑phase protection is required for future expansion or equipment upgrades.\u003c\/li\u003e \u003cli\u003eCommercial distribution panels that demand secure mounting and consistent trip performance in busy electrical rooms.\u003c\/li\u003e \u003cli\u003eLight industrial settings needing durable protection for motors, conveyors, or other 3‑phase loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters in your electrical system\u003c\/h3\u003e\n\u003cp\u003eThe Eaton HLD3300Y combines a high-current rating with a solid bolt-on connection, meaning fewer loose-contact risks and more reliable operation in environments prone to vibration or movement. The thermal-magnetic trip mechanism delivers precise, predictable protection, helping you avoid nuisance trips while providing rapid fault interruption when a real fault occurs. When paired with compatible OEM panelboards and load centers, it delivers a cohesive protection solution that simplifies procurement, installation, and ongoing maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349605732514,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_0e992d97-9580-4189-b08e-f5ffd7e00a21.png?v=1764151072","url":"https:\/\/www.ampstate.com\/products\/eaton-hld3300y-300a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}