{"product_id":"general-electric-v17340","title":"General Electric V17340 40A 3-Pole 277 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric V17340, a purpose-built circuit protection solution designed for demanding 3-phase environments. This 40A, 3-pole unit is rated for 277V, making it an ideal choice for commercial and light industrial panels that orchestrate three-phase power distribution and lighting systems. Built on GE’s heritage of reliability, the V17340 helps you maintain safe, consistent shutdowns across all three phases when faults occur, reducing downtime and protecting downstream equipment.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e V17340\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this 3-pole, 277V breaker matters\u003c\/h2\u003e\n\u003cp\u003eThree-pole protection ensures simultaneous disconnection of all three phases during a fault, preventing dangerous open-phase conditions that can stress equipment and wiring. The 277V rating aligns with common commercial power distribution for lighting and motor loads, delivering dependable performance where 277V systems are standard. Partnered with General Electric’s engineering lineage, the V17340 is built to endure the rigors of daily operation in busy electrical rooms and distribution panels.\u003c\/p\u003e \u003ch2\u003eReal-world use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThree-phase lighting feeders in office complexes, retail centers, and schools that run on 277V systems.\u003c\/li\u003e \u003cli\u003eMotor and machinery feeders in manufacturing and processing facilities where coordinated phase protection is critical.\u003c\/li\u003e \u003cli\u003eDistribution panels in commercial buildings that require reliable fault interruption across all phases to protect downstream equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it delivers value\u003c\/h2\u003e\n\u003cp\u003eUnlike single- or two-pole breakers, this 3-pole arrangement provides comprehensive protection for multi-phase circuits, helping prevent nuisance trips and ensuring proper coordination with metering or protection schemes that rely on consistent phase shutdown. The V17340 is a straightforward replacement or integration within GE-compatible panels, supporting smooth maintenance and system upgrades without extensive rework.\u003c\/p\u003e \u003ch2\u003ePractical guidance and considerations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure the panel and load configuration are designed for 277V three-phase operation and that a 40A protection level matches the connected loads.\u003c\/li\u003e \u003cli\u003eUse in systems where potential transformers or metering sensors are part of the protection and monitoring strategy, to support accurate fault indication and safe isolation.\u003c\/li\u003e \u003cli\u003eFollow appropriate installation practices for circuit breakers within GE-compatible enclosures, including correct alignment, secure mounting, and verification of electrical clearances in the panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eDurability and reliability you can count on\u003c\/h2\u003e\n\u003cp\u003eAs part of General Electric’s esteemed lineup, the V17340 embodies robust construction and consistent performance under normal and fault conditions. This 40A, 3-pole, 277V breaker is designed to handle the demands of modern electrical distribution, delivering dependable protection with clear, trip-ready action when faults occur.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46423605280930,"sku":"V17340","price":827.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/general-electric-v17340","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}