{"product_id":"eaton-hkd3350y-circuit-breaker","title":"Eaton | HKD3350Y | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HKD3350Y Circuit Breaker\u003c\/strong\u003e is a high-capacity protection device engineered for demanding 3‑phase electrical systems. With a 350 A rating and three poles, this 600 V breaker provides reliable overcurrent protection for industrial panels, equipment rooms, and retrofit projects where precise Eaton specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HKD3350Y\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e The HKD3350Y part number\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended use:\u003c\/strong\u003e maintenance, retrofit, and replacement where exact Eaton specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your project: when you’re upgrading or replacing a circuit breaker in a live 3‑phase 600 V system, using the exact part reference guarantees alignment with your panel’s bus configuration, protection characteristics, and electrical clearances. This minimizes downtime and reduces the risk of mismatched fittings or performance irregularities.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in existing Eaton-distribution setups where a 350 A, 3‑pole, 600 V protection device is needed\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original protection levels without redesigning the panel or wiring\u003c\/li\u003e \u003cli\u003eSpare-part strategy for facilities with critical 3‑phase equipment that operates on 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and selection\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering to ensure compatibility with your panel and system voltage\u003c\/li\u003e \u003cli\u003eCross-check the 3‑pole configuration against the existing breaker footprint in your enclosure\u003c\/li\u003e \u003cli\u003eConsult a qualified electrician to perform installation, power shutdown, and testing to confirm proper operation after replacement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the HKD3350Y means you’re selecting a purpose-built Eaton solution designed to protect high‑value equipment, support safe operation, and keep your electrical system aligned with established Eaton configurations. If your project requires an exact match to this part number, and you’re working within 3‑pole, 600 V specifications, this breaker is the precise, reliable choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426446364834,"sku":"HKD3350Y","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/eaton-hkd3350y-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}