{"product_id":"square-d-ehb34040-40a-3-pole-480v-molded-case-circuit-breaker","title":"Square D EHB34040 40A 3-Pole 480V Molded Case Circuit Breaker","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"21\" data-end=\"429\"\u003eThe Square D EHB34040 is a 40 Amp, 3-pole molded case circuit breaker designed for three-phase electrical systems. It provides thermal-magnetic protection for circuits operating at 240 VAC or 480Y\/277 VAC. This bolt-on breaker is compatible with Square D NEHB panelboards, ensuring secure and reliable operation.\u003c\/p\u003e\n\u003cp data-start=\"21\" data-end=\"429\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"21\" data-end=\"429\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable height=\"434\" style=\"width: 90.7609%; height: 303.907px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eSquare D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eCircuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eEHB34040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eMolded Case Circuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eEHB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e40 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e240 VAC, 480Y\/277 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eThree-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eTrip Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eThermal-Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eTrip Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eLong-Time, Instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eTrip Adjustability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eFixed Thermal, Fixed Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eBolt-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eLugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eWire Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e14–2 AWG (Cu), 12–2 AWG (Al), Max 2 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e65kA @ 240VAC, 14kA @ 480Y\/277VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eOptional Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eShunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eCSA C22.2 No. 5, UL 489\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eCSA, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eConstruction Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003eHACR Rated, Visual Trip Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.0052%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.7529%;\"\u003e5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eEHB34040\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"458\" data-end=\"1028\"\u003eThe EHB34040 is part of Square D’s EHB series of molded case breakers, engineered for industrial and commercial applications. It features a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functionality. The breaker supports wire sizes from 14–2 AWG (Cu) and 12–2 AWG (Al) with a maximum capacity of 2 AWG. Optional features include shunt trip, auxiliary switch, undervoltage release, alarm switch, and padlock attachment for enhanced safety and operational flexibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1052\" data-end=\"1841\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"997\" data-end=\"1535\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1008\" data-end=\"1696\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1042\" data-end=\"1540\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"941\" data-end=\"1455\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"969\" data-end=\"1446\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1100\" data-end=\"1748\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1045\" data-end=\"1678\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1460\" data-start=\"947\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1412\" data-start=\"934\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1450\" data-start=\"958\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1598\" data-start=\"1021\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1014\" data-end=\"1662\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1022\" data-end=\"1741\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"976\" data-end=\"1776\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1055\" data-end=\"1769\"\u003e\n\u003cli data-section-id=\"137ooe3\" data-start=\"1055\" data-end=\"1121\"\u003eSeries: EHB Series molded case breaker for industrial use.\u003c\/li\u003e\n\u003cli data-section-id=\"13ms4e8\" data-start=\"1122\" data-end=\"1182\"\u003ePoles: 3-pole configuration for three-phase systems.\u003c\/li\u003e\n\u003cli data-section-id=\"c25nzp\" data-start=\"1183\" data-end=\"1239\"\u003eCurrent Rating: 40 Amp continuous load capacity.\u003c\/li\u003e\n\u003cli data-section-id=\"1v3dgje\" data-start=\"1240\" data-end=\"1300\"\u003eVoltage Rating: 240 VAC and 480Y\/277 VAC compatible.\u003c\/li\u003e\n\u003cli data-section-id=\"dyt5kz\" data-start=\"1301\" data-end=\"1368\"\u003eMounting Style: Bolt-on for secure panelboard installation.\u003c\/li\u003e\n\u003cli data-section-id=\"1o83jk4\" data-start=\"1369\" data-end=\"1459\"\u003eTrip Mechanism: Thermal-magnetic with long-time and instantaneous (LI) protection.\u003c\/li\u003e\n\u003cli data-section-id=\"1ufyaff\" data-start=\"1460\" data-end=\"1525\"\u003eInterrupting Capacity: 65kA @ 240VAC, 14kA @ 480Y\/277VAC.\u003c\/li\u003e\n\u003cli data-section-id=\"19m1u80\" data-start=\"1526\" data-end=\"1586\"\u003eWire Range: 14–2 AWG (Cu), 12–2 AWG (Al), Max 2 AWG.\u003c\/li\u003e\n\u003cli data-section-id=\"vwjiub\" data-start=\"1587\" data-end=\"1699\"\u003eOptional Features: Shunt trip, auxiliary switch, undervoltage release, alarm switch, padlock attachment.\u003c\/li\u003e\n\u003cli data-section-id=\"1umex4g\" data-start=\"1700\" data-end=\"1769\"\u003eConstruction Features: HACR rated with visual trip indicator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1771\" data-end=\"1893\"\u003eThe EHB34040 delivers the reliability and precision required for industrial and commercial three-phase circuit protection.\u003c\/p\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":51445348696362,"sku":"EHB34040","price":1957.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_6a4fcace-4d77-4429-bab9-16f9722c1f9a.webp?v=1776698485","url":"https:\/\/iqelectro.com\/products\/square-d-ehb34040-40a-3-pole-480v-molded-case-circuit-breaker","provider":"IQElectro","version":"1.0","type":"link"}