{"product_id":"eaton-hfd4090-circuit-breaker","title":"Eaton | HFD4090 | Circuit Breaker | 90A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton HFD4090 Circuit Breaker — a rugged \u003cb\u003e90A\u003c\/b\u003e, \u003cb\u003e4-Pole\u003c\/b\u003e, \u003cb\u003e600V\u003c\/b\u003e protection solution designed for demanding electrical installations. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this unit ensures reliable interruption of fault currents in 3-phase, 600-volt systems.\u003c\/p\u003e \u003cp\u003eWhy choose the HFD4090? This breaker delivers a precise combination of amperage, pole configuration, and voltage that aligns with Eaton’s robust panel ecosystems. The four-pole design provides comprehensive protection for multi-line, high-demand circuits, while the 90A rating suits mid-to-high-range feeders without compromising safety or performance. The part number HFD4090 is the best reference for compatibility, so be sure to verify fit and ratings before ordering.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 90A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 4-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 600V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility reference:\u003c\/b\u003e Part number HFD4090 — use this to confirm fit and ratings before purchasing\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse case:\u003c\/b\u003e Ideal for maintenance, retrofit, and replacement where a matching 4-pole, 600V breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems does it solve?\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eProvides reliable protection for high-amp, 3-phase 600V circuits, helping prevent overcurrent damage\u003c\/li\u003e\n\u003cli\u003eSimplifies panel upgrades by aligning with Eaton’s design and trip characteristics, reducing installation surprises\u003c\/li\u003e\n\u003cli\u003eEnables quick, dependable replacements to minimize downtime in critical service and manufacturing environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eReplacing aging 4-pole breakers in industrial control panels operating at 600V\u003c\/li\u003e\n\u003cli\u003eRetrofit projects where the existing panel requires a precise 90A, 4-Pole, 600V unit\u003c\/li\u003e\n\u003cli\u003eNew panel builds that demand Eaton compatibility and standardized protective performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical buyer tips\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eBefore ordering, double-check your panel model and the existing breaker footprint to ensure a seamless swap—refer to the HFD4090 part number for exact compatibility\u003c\/li\u003e\n\u003cli\u003eKeep a spare HFD4090 on hand for preventive maintenance and to minimize downtime in critical systems\u003c\/li\u003e\n\u003cli\u003eConfirm your system is a 600V, 3-phase configuration to ensure a 4-Pole design is the correct choice\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable, consistent protection in 600V applications, the Eaton HFD4090 stands out as a purpose-built, compatible choice that aligns with your installation’s exact specifications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426467303586,"sku":"HFD4090","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hfd4090-circuit-breaker-90a-4-pole-600v-131.webp?v=1789583089","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd4090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}