{"product_id":"edb34125","title":"Square D EDB34125 - 125A, 277VAC, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D EDB34125\u003c\/strong\u003e is a robust 125A, 277VAC, 3-Pole Circuit Breaker designed to deliver reliable overcurrent protection for three-phase power distribution. Built for demanding environments, this breaker integrates seamlessly into panelboards, switchboards, and control panels, supporting industrial, commercial, and OEM applications where safety and uptime are paramount.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e125A current rating\u003c\/strong\u003e provides strong protection for high-load feeders and motor circuits, minimizing the risk of damage from overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277VAC voltage rating\u003c\/strong\u003e makes it an ideal fit for commercial lighting, HVAC, and other 277V distribution needs prevalent in large facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e delivers complete three-phase protection for each phase, simplifying wiring and ensuring synchronized interruption across all conductors in a three-phase system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D protection platform\u003c\/strong\u003e backed by decades of electrical distribution experience, offering consistent performance and ease of integration with compatible enclosures and bus systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial, commercial, and OEM ready\u003c\/strong\u003e—designed to slot into established distribution schemes, helping maintenance teams reduce downtime and streamline spare-part inventories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and switchboards in office campuses, shopping centers, and manufacturing facilities that rely on 277V lighting and power distribution.\u003c\/li\u003e \u003cli\u003eMotor control centers and process equipment where dependable three-phase protection prevents unexpected downtime.\u003c\/li\u003e \u003cli\u003eOEM equipment requiring a compact, reliable, three-pole protection solution up to 125A at 277V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy the 3-Pole design matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn three-phase systems, a single-point failure on one phase can destabilize the entire circuit. The 3-pole configuration ensures synchronized interruption across all phases, helping guard motors, compressors, and other three-phase loads against overloads and faults. This translates to safer operation, easier wiring, and a more predictable protection strategy for your distribution panels and control centers.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for using this breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair with compatible Square D enclosures and bus assemblies designed for 3-pole, 125A devices to ensure proper fit and reliable trip performance.\u003c\/li\u003e \u003cli\u003eVerify that your panelboard or switchboard is rated for 277VAC distribution and supports three-phase protection up to 125A.\u003c\/li\u003e \u003cli\u003eUse this breaker in systems where 277V lighting and certain 3-phase equipment are standard, to consolidate protection and simplify maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D EDB34125, you’re choosing a proven, three-phase protection solution built to stand up to the rigors of modern electrical distribution. It’s the dependable choice for engineers, electricians, and technicians who design, install, and maintain robust panel interfaces across commercial, industrial, and OEM environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390509830306,"sku":"EDB34125","price":860.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_4b7f6500-a9f9-46de-a962-b71c141425a2.png?v=1765376284","url":"https:\/\/www.ampstate.com\/products\/edb34125","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}