{"product_id":"ehb14040-square-d-1-pole-40a-277v-thermal-magnetic-molded-case-circuit-breaker","title":"EHB14040 | Square D 1-Pole 40A 277V Thermal Magnetic Molded Case Circuit Breaker","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Square D EHB14040 Circuit Breaker is a 1-pole, thermal-magnetic molded case breaker designed for precise protection of electrical systems operating at 277 VAC. Rated at 40 amps with an interrupting capacity of 14kA at 277V, this unit ensures dependable circuit isolation and overload protection. Built with a bolt-on mounting design, it provides secure installation and consistent performance in commercial and industrial panelboards.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCircuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEHB14040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMolded Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEHB Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e277 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14kA @ 277V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLI - Long-Time and Instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBolt-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBolt-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen (None)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare D \/ Schneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e\n\u003cspan data-sheets-root=\"1\"\u003eEHB14040\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"590\" data-end=\"1074\" class=\"\"\u003eThe EHB14040 is part of Square D’s EHB Series, known for its compact molded case design and reliable performance under demanding load conditions. It features a bolt-on connection style for firm, vibration-resistant mounting in electrical enclosures. Designed for single-phase, 1-pole operation, it employs thermal-magnetic trip technology that provides both overload and short-circuit protection. This circuit breaker is ideal for use in lighting panels, branch circuits, and general power distribution systems in commercial and industrial applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated Current: 40 Amps – Ensures stable performance for medium-load electrical systems.\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 277 VAC – Suitable for commercial and industrial single-phase power networks.\u003c\/li\u003e\n\u003cli\u003eInterrupting Capacity: 14kA at 277V – Provides high fault-current protection to prevent equipment damage.\u003c\/li\u003e\n\u003cli\u003eTrip Function: LI (Long-Time \u0026amp; Instantaneous) – Offers both overload and short-circuit trip response.\u003c\/li\u003e\n\u003cli\u003eProtection Type: Thermal-Magnetic – Delivers accurate response to varying electrical faults.\u003c\/li\u003e\n\u003cli\u003eMounting Type: Bolt-On – Enables secure and straightforward installation in panelboards.\u003c\/li\u003e\n\u003cli\u003eConstruction: Molded Case – Compact, durable design for extended operational reliability.\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: 40°C rated – Built to perform in standard electrical environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EHB14040 delivers the reliability and precision required for dependable electrical protection in commercial and industrial installations.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":49105107386624,"sku":"EHB14040","price":939.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/2025-10-27_23.02.36.png?v=1785540389","url":"https:\/\/alotechparts.com\/products\/ehb14040-square-d-1-pole-40a-277v-thermal-magnetic-molded-case-circuit-breaker","provider":"Alo Tech Solutions","version":"1.0","type":"link"}