{"product_id":"eaton-cutler-hammer-e2m3800mwwu66-800a-3-pole-molded-case-mining-circuit-breaker-bolt-on-600vac","title":"Eaton Cutler Hammer E2M3800MWWU66 800A 3 Pole Molded Case Mining Circuit Breaker – Bolt On – 600VAC","description":"\u003cp data-start=\"145\" data-end=\"822\"\u003eThe Eaton Cutler Hammer E2M3800MWWU66 is a heavy-duty molded case mining circuit breaker engineered for demanding industrial and mining power distribution systems. Rated at 800 amps with a 3-pole configuration, it uses an interchangeable magnetic-only trip unit designed for instantaneous short-circuit protection, typically in systems where overload protection is handled separately. The integrated U66 option adds a 120 VAC undervoltage release with LED indicator, improving system safety by automatically tripping the breaker under low-voltage conditions. Its rugged molded case construction and bolt-on mounting ensure reliable operation in harsh environments up to 600VAC.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1wc2bmo\" data-start=\"824\" data-end=\"851\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul data-start=\"852\" data-end=\"1236\"\u003e\n\u003cli data-section-id=\"el4ink\" data-start=\"852\" data-end=\"884\"\u003eBrand: Eaton \/ Cutler Hammer\u003c\/li\u003e\n\u003cli data-section-id=\"13fskev\" data-start=\"885\" data-end=\"916\"\u003eModel Number: E2M3800MWWU66\u003c\/li\u003e\n\u003cli data-section-id=\"1plmm2m\" data-start=\"917\" data-end=\"938\"\u003eAmperage: 800 Amp\u003c\/li\u003e\n\u003cli data-section-id=\"1mjvejc\" data-start=\"939\" data-end=\"966\"\u003eNumber of Poles: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1uagnpo\" data-start=\"967\" data-end=\"1019\"\u003eBreaker Type: Molded Case Mining Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"4edz77\" data-start=\"1020\" data-end=\"1043\"\u003eMount Type: Bolt On\u003c\/li\u003e\n\u003cli data-section-id=\"1sd9s71\" data-start=\"1044\" data-end=\"1074\"\u003eFrame Style: E2M \/ M Frame\u003c\/li\u003e\n\u003cli data-section-id=\"1p90ro1\" data-start=\"1075\" data-end=\"1124\"\u003eTrip Unit Type: Interchangeable Magnetic Only\u003c\/li\u003e\n\u003cli data-section-id=\"1gofju0\" data-start=\"1125\" data-end=\"1148\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1n8bnog\" data-start=\"1149\" data-end=\"1186\"\u003eConfiguration: U66 Factory Option\u003c\/li\u003e\n\u003cli data-section-id=\"1p6vay7\" data-start=\"1187\" data-end=\"1236\"\u003eStandard Lug Type: Without Terminals Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"58xi60\" data-start=\"1238\" data-end=\"1267\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1268\" data-end=\"1838\"\u003e\n\u003cli data-section-id=\"7esy2i\" data-start=\"1268\" data-end=\"1338\"\u003eMagnetic-only trip unit for instantaneous short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"8wq36f\" data-start=\"1339\" data-end=\"1412\"\u003eRequires external overload protection depending on application design\u003c\/li\u003e\n\u003cli data-section-id=\"13vkgeb\" data-start=\"1413\" data-end=\"1491\"\u003eHeavy-duty molded case construction for mining and industrial environments\u003c\/li\u003e\n\u003cli data-section-id=\"1cyv624\" data-start=\"1492\" data-end=\"1536\"\u003eBolt-on mounting for secure installation\u003c\/li\u003e\n\u003cli data-section-id=\"uppc6r\" data-start=\"1537\" data-end=\"1575\"\u003eOperating temperature rating: 40°C\u003c\/li\u003e\n\u003cli data-section-id=\"1mewiia\" data-start=\"1576\" data-end=\"1611\"\u003eTrip Setting Range: 3000 – 6000\u003c\/li\u003e\n\u003cli data-section-id=\"1e4fein\" data-start=\"1612\" data-end=\"1671\"\u003eU66 Option Includes: 120 VAC Undervoltage Release (UVR)\u003c\/li\u003e\n\u003cli data-section-id=\"1311xr2\" data-start=\"1672\" data-end=\"1702\"\u003eU66 Includes LED Indicator\u003c\/li\u003e\n\u003cli data-section-id=\"c26ixe\" data-start=\"1703\" data-end=\"1747\"\u003eU66 Mounting Position: Left Pole Mounted\u003c\/li\u003e\n\u003cli data-section-id=\"7w9j7z\" data-start=\"1748\" data-end=\"1773\"\u003eU66 Wiring Exit: Rear\u003c\/li\u003e\n\u003cli data-section-id=\"6c0evx\" data-start=\"1774\" data-end=\"1838\"\u003eSuitable for feeder and heavy-duty distribution applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"11flra0\" data-start=\"1840\" data-end=\"1864\"\u003eVoltage and Ratings\u003c\/h2\u003e\n\u003cul data-start=\"1865\" data-end=\"2157\"\u003e\n\u003cli data-section-id=\"xbwqhm\" data-start=\"1865\" data-end=\"1893\"\u003eMaximum Voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1i0mvqx\" data-start=\"1894\" data-end=\"1920\"\u003eRated Current: 800 Amp\u003c\/li\u003e\n\u003cli data-section-id=\"18sr2bu\" data-start=\"1921\" data-end=\"1962\"\u003eInterrupting Capacity: 65 kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"rjdg8f\" data-start=\"1963\" data-end=\"2009\"\u003eInterrupting Capacity: 35 \/ 50 kA @ 480VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1a6zbta\" data-start=\"2010\" data-end=\"2051\"\u003eInterrupting Capacity: 25 kA @ 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"5j6pm5\" data-start=\"2052\" data-end=\"2093\"\u003eInterrupting Capacity: 22 kA @ 250VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1ky5wq7\" data-start=\"2094\" data-end=\"2124\"\u003eFrequency Rating: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1gu0bwh\" data-start=\"2125\" data-end=\"2157\"\u003eUVR Control Voltage: 120 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"165x1by\" data-start=\"2159\" data-end=\"2176\"\u003eProduct Data\u003c\/h2\u003e\n\u003cul data-start=\"2177\" data-end=\"2637\"\u003e\n\u003cli data-section-id=\"10m8uyp\" data-start=\"2177\" data-end=\"2247\"\u003eCondition: New \/ Surplus \/ Reconditioned (subject to availability)\u003c\/li\u003e\n\u003cli data-section-id=\"1pruqjc\" data-start=\"2248\" data-end=\"2268\"\u003eWarranty: 1 Year\u003c\/li\u003e\n\u003cli data-section-id=\"ef7yl1\" data-start=\"2269\" data-end=\"2317\"\u003eProduct Category: Industrial Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"1phsvrp\" data-start=\"2318\" data-end=\"2455\"\u003eSuitable Applications: Mining Systems, Industrial Power Distribution, Motor Circuits, Heavy-Duty Feeders, Critical Protection Systems\u003c\/li\u003e\n\u003cli data-section-id=\"11205e6\" data-start=\"2456\" data-end=\"2497\"\u003eManufacturer Series: Eaton E2M Series\u003c\/li\u003e\n\u003cli data-section-id=\"o0hedk\" data-start=\"2498\" data-end=\"2526\"\u003eConnection Type: Bolt On\u003c\/li\u003e\n\u003cli data-section-id=\"110fk5r\" data-start=\"2527\" data-end=\"2596\"\u003eInstalled Accessories: Undervoltage Release with LED (U66 Option)\u003c\/li\u003e\n\u003cli data-section-id=\"198ct1w\" data-start=\"2597\" data-end=\"2637\"\u003eLug Type: Without Terminals Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"rzxvn7\" data-start=\"2639\" data-end=\"2658\"\u003eImportant Note\u003c\/h2\u003e\n\u003cp data-start=\"2659\" data-end=\"3066\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eProduct image may represent a standard base model and is for identification purposes only. This unit includes the factory-installed U66 undervoltage release option and uses a magnetic-only trip system requiring external overload protection depending on application design. Always verify coordination requirements, voltage rating, accessory configuration, and installation suitability before purchase or use.\u003c\/p\u003e","brand":"Eaton Cutler Hammer Mining","offers":[{"title":"Default Title","offer_id":48326152519929,"sku":"E2M3800MWWU66","price":7999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/E2M3800MWWU66.webp?v=1777290640","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-cutler-hammer-e2m3800mwwu66-800a-3-pole-molded-case-mining-circuit-breaker-bolt-on-600vac","provider":"My Circuit Breakers","version":"1.0","type":"link"}