{"product_id":"eaton-140d930h03","title":"Eaton 140D930H03 930A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton 140D930H03 930A 3-Pole 480 V Circuit Breaker — a robust, high-capacity protection device designed for demanding industrial environments. This unit delivers reliable overcurrent protection across all three phases, helping keep heavy loads safe and your electrical system running smoothly.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 930 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V AC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 140D930H03\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters\u003c\/p\u003e\n\u003cp\u003eIn facilities with large motors, conveyors, or high-power feeders, a single 930 A circuit breaker can prevent costly downtime by quickly interrupting fault currents. The 3-pole design ensures synchronized protection across all phases, reducing the risk of unbalanced faults that can damage equipment or trip more circuits than necessary.\u003c\/p\u003e \u003cp\u003eIdeal use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain feeder protection for 3-phase 480 V electrical distributions in manufacturing, processing, or heavy industrial environments.\u003c\/li\u003e \u003cli\u003eProtecting large motors and drive systems connected to 480 V networks.\u003c\/li\u003e \u003cli\u003eReplacement part within Eaton 140D series installations, supporting consistent performance and serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations\u003c\/p\u003e\n\u003cp\u003eWhen selecting a circuit breaker like the Eaton 140D930H03, ensure your panel and conductors are rated for 480 V operation and that the installation follows local electrical codes. This unit is designed for environments where uptime matters and overload protection must be precise and dependable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423684546722,"sku":"140D930H03","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-140d930h03-930a-3-pole-480-v-circuit-breaker-215.webp?v=1789326414","url":"https:\/\/www.ampstate.com\/products\/eaton-140d930h03","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}