{"product_id":"eaton-cutler-hammer-mdlb3400-400a-3-poles-molded-case-circuit-breaker-bolt-on-600vac","title":"Eaton Cutler Hammer MDLB3400 400A 3 Poles Molded Case Circuit Breaker – Bolt On – 600VAC","description":"\u003cp data-end=\"843\" data-start=\"137\"\u003eThe Eaton Cutler-Hammer MDLB3400 molded case circuit breaker is designed to deliver dependable circuit protection for industrial and commercial electrical distribution systems. Featuring the MDLB frame style and a thermal magnetic non-interchangeable trip unit, this breaker provides reliable protection against overload and short-circuit conditions. With a continuous current rating of 400 amperes at 40°C and a 3-pole configuration, it supports AC voltages up to 600VAC and DC applications up to 250VDC. Its bolt-on mounting design ensures secure installation in compatible panelboards and switchgear, while the durable molded case construction ensures long-lasting performance in demanding environments.\u003c\/p\u003e\n\u003ch2 data-end=\"875\" data-start=\"850\" data-section-id=\"3ipjz4\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"912\" data-start=\"878\"\u003e\n\u003cstrong data-end=\"888\" data-start=\"878\"\u003eBrand:\u003c\/strong\u003e Eaton \/ Cutler-Hammer\u003c\/li\u003e\n\u003cli data-end=\"936\" data-start=\"915\"\u003e\n\u003cstrong data-end=\"925\" data-start=\"915\"\u003eModel:\u003c\/strong\u003e MDLB3400\u003c\/li\u003e\n\u003cli data-end=\"986\" data-start=\"939\"\u003e\n\u003cstrong data-end=\"956\" data-start=\"939\"\u003eBreaker Type:\u003c\/strong\u003e Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-end=\"1027\" data-start=\"989\"\u003e\n\u003cstrong data-end=\"1004\" data-start=\"989\"\u003eFrame Type:\u003c\/strong\u003e MDLB (M Frame Style)\u003c\/li\u003e\n\u003cli data-end=\"1093\" data-start=\"1030\"\u003e\n\u003cstrong data-end=\"1049\" data-start=\"1030\"\u003eTrip Unit Type:\u003c\/strong\u003e Thermal Magnetic Non-Interchangeable Trip\u003c\/li\u003e\n\u003cli data-end=\"1129\" data-start=\"1096\"\u003e\n\u003cstrong data-end=\"1116\" data-start=\"1096\"\u003eAmperage Rating:\u003c\/strong\u003e 400 Ampere\u003c\/li\u003e\n\u003cli data-end=\"1161\" data-start=\"1132\"\u003e\n\u003cstrong data-end=\"1152\" data-start=\"1132\"\u003eNumber of Poles:\u003c\/strong\u003e 3 Pole\u003c\/li\u003e\n\u003cli data-end=\"1192\" data-start=\"1164\"\u003e\n\u003cstrong data-end=\"1182\" data-start=\"1164\"\u003eMounting Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli data-end=\"1220\" data-start=\"1195\"\u003e\n\u003cstrong data-end=\"1209\" data-start=\"1195\"\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli data-end=\"1275\" data-start=\"1223\"\u003e\n\u003cstrong data-end=\"1245\" data-start=\"1223\"\u003eStandard Lug Type:\u003c\/strong\u003e Not Included \/ Configurable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1309\" data-start=\"1282\" data-section-id=\"1cgu054\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1396\" data-start=\"1312\"\u003eThermal magnetic trip mechanism for accurate overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-end=\"1461\" data-start=\"1399\"\u003eNon-interchangeable trip unit with fixed protection settings\u003c\/li\u003e\n\u003cli data-end=\"1536\" data-start=\"1464\"\u003eDurable molded case housing for industrial and commercial environments\u003c\/li\u003e\n\u003cli data-end=\"1597\" data-start=\"1539\"\u003eHigh interrupting capacity for enhanced fault protection\u003c\/li\u003e\n\u003cli data-end=\"1650\" data-start=\"1600\"\u003eSuitable for both AC and limited DC applications\u003c\/li\u003e\n\u003cli data-end=\"1723\" data-start=\"1653\"\u003eDesigned for dependable performance in heavy-duty electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1752\" data-start=\"1730\" data-section-id=\"ihrae0\"\u003eVoltage and Ratings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1788\" data-start=\"1755\"\u003e\n\u003cstrong data-end=\"1778\" data-start=\"1755\"\u003eMaximum AC Voltage:\u003c\/strong\u003e 600 VAC\u003c\/li\u003e\n\u003cli data-end=\"1824\" data-start=\"1791\"\u003e\n\u003cstrong data-end=\"1814\" data-start=\"1791\"\u003eMaximum DC Voltage:\u003c\/strong\u003e 250 VDC\u003c\/li\u003e\n\u003cli data-end=\"1855\" data-start=\"1827\"\u003e\u003cstrong data-end=\"1853\" data-start=\"1827\"\u003eInterrupting Capacity:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli data-end=\"1877\" data-start=\"1860\"\u003e65 kA @ 240 VAC\u003c\/li\u003e\n\u003cli data-end=\"1899\" data-start=\"1882\"\u003e50 kA @ 480 VAC\u003c\/li\u003e\n\u003cli data-end=\"1921\" data-start=\"1904\"\u003e25 kA @ 600 VAC\u003c\/li\u003e\n\u003cli data-end=\"1943\" data-start=\"1926\"\u003e22 kA @ 250 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2005\" data-start=\"1946\"\u003e\n\u003cstrong data-end=\"1963\" data-start=\"1946\"\u003eTrip Setting:\u003c\/strong\u003e 5–10 times the continuous ampere rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2027\" data-start=\"2012\" data-section-id=\"we2dfi\"\u003eProduct Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"2071\" data-start=\"2030\"\u003e\n\u003cstrong data-end=\"2047\" data-start=\"2030\"\u003eManufacturer:\u003c\/strong\u003e Eaton \/ Cutler-Hammer\u003c\/li\u003e\n\u003cli data-end=\"2113\" data-start=\"2074\"\u003e\n\u003cstrong data-end=\"2093\" data-start=\"2074\"\u003eProduct Series:\u003c\/strong\u003e MDLB Frame Series\u003c\/li\u003e\n\u003cli data-end=\"2164\" data-start=\"2116\"\u003e\n\u003cstrong data-end=\"2134\" data-start=\"2116\"\u003eConfiguration:\u003c\/strong\u003e Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-end=\"2197\" data-start=\"2167\"\u003e\n\u003cstrong data-end=\"2187\" data-start=\"2167\"\u003eConnection Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli data-end=\"2222\" data-start=\"2200\"\u003e\n\u003cstrong data-end=\"2213\" data-start=\"2200\"\u003eWarranty:\u003c\/strong\u003e 1 Year\u003c\/li\u003e\n\u003cli data-end=\"2342\" data-start=\"2225\"\u003e\n\u003cstrong data-end=\"2241\" data-start=\"2225\"\u003eApplication:\u003c\/strong\u003e Industrial power distribution, panelboard protection, and heavy-duty electrical circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2366\" data-start=\"2349\" data-section-id=\"1x5xxf7\"\u003eImportant Note\u003c\/h2\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2723\" data-start=\"2367\"\u003eThe product image shown represents a base model and is intended for identification purposes only. Accessories ordered with the breaker can be installed to meet your specific configuration requirements at no additional cost. Please include all required configuration details in the order comment box during checkout to ensure accurate assembly and delivery.\u003c\/p\u003e","brand":"Eaton Cutler-Hammer","offers":[{"title":"Certified Reconditioned","offer_id":47492331929849,"sku":"MDLB3400-CR","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"New Surplus","offer_id":47492331962617,"sku":"MDLB3401-NS","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/mdlb_1_2_9.webp?v=1773075556","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-cutler-hammer-mdlb3400-400a-3-poles-molded-case-circuit-breaker-bolt-on-600vac","provider":"My Circuit Breakers","version":"1.0","type":"link"}