{"product_id":"ehb34040","title":"Square D EHB34040 - 40A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D EHB34040\u003c\/strong\u003e is a rugged 40A, 3-Pole circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. Built for industrial and commercial use, this device is designed to safeguard your distribution panels, switchboards, and control panels with consistent, reliable performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration:\u003c\/strong\u003e a true three-phase breaker that interrupts all three lines simultaneously, reducing the risk of phase imbalance in 3‑phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40A current rating:\u003c\/strong\u003e precise protection for feeders and motor circuits, helping prevent damage from overloads and minimizing unplanned downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation:\u003c\/strong\u003e suitable for panelboards, switchboards, and control panels across industrial, commercial, and OEM applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial reliability:\u003c\/strong\u003e built by Square D to deliver consistent operation in demanding environments where safety and performance matter most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 40A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eBreaker type: Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and real-world scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations in distribution panels and motor control centers where reliable three-phase protection is essential.\u003c\/li\u003e \u003cli\u003eOEM applications that require robust overcurrent protection integrated into custom control enclosures.\u003c\/li\u003e \u003cli\u003eRepairs and maintenance in commercial and industrial facilities where consistent circuit protection keeps critical equipment online.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D EHB34040 means opting for a durable, purpose-built solution that aligns with the needs of modern electrical systems. Its 3-Pole design and 40A rating deliver clear, actionable protection for three-phase loads, helping you maintain safety, reduce nuisance trips, and extend the life of equipment in distribution panels and motor control centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390529261730,"sku":"EHB34040","price":1622.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_213f7b04-5fef-4028-a1b2-819c69fa6d98.png?v=1765376819","url":"https:\/\/www.ampstate.com\/products\/ehb34040","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}