{"product_id":"eaton-cutler-hammer-gd3100-100a-3p-480v-circuit-breaker","title":"Eaton Cutler-Hammer GD3100 100A 3P 480V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton Cutler-Hammer GD3100 100A 3P 480V Bolt-On Circuit Breaker is engineered to deliver dependable overcurrent protection in modern three‑phase electrical systems. Built to handle demanding industrial and commercial environments, this 3‑pole device protects panelboards, load centers, and comprehensive distribution networks from overloads and short circuits while maintaining reliable, consistent performance across retrofit projects.\u003c\/p\u003e \u003ch3\u003eKey features that set the GD3100 apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt‑On mounting\u003c\/strong\u003e for straightforward retrofits and maintenance with minimal panel disruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree poles at 480V\u003c\/strong\u003e provide robust protection for standard 3‑phase distributions you’ll find in warehouses, manufacturing floors, and large facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100 A rating\u003c\/strong\u003e delivers strong protection for circuits that demand solid fault isolation without sacrificing essential service continuity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number continuity\u003c\/strong\u003e designed for retrofit work where the GD3100 family is the preferred, consistent choice—simplifying stocking and ordering over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand compatibility\u003c\/strong\u003e from Eaton Cutler-Hammer, a long‑standing name in industrial electrical protection and distribution hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker solves real problems\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong retrofit readiness:\u003e When updating or expanding a distribution system, staying with the same part number minimizes compatibility risk and spare‑parts inventory concerns.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong downtime reduction:\u003e Bolt‑on design speeds installation, reducing downtime during maintenance windows and service outages.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong reliable protection for systems:\u003e Specifically rated for 480V three‑phase networks, ensuring appropriate trip characteristics and safe disconnects.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong practical for service teams:\u003e Availability from AmpState means ready access to a dependable, widely supported breaker for ongoing maintenance programs.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities upgrading or expanding 3‑phase 480V distribution where a single, consistent part number is essential for planning and procurement.\u003c\/li\u003e \u003cli\u003eMaintenance planning that benefits from keeping the same breaker family across multiple panels, reducing the risk of mismatched replacements.\u003c\/li\u003e \u003cli\u003eSpare‑part stocking for field crews who rely on proven Eaton Cutler‑Hammer components with predictable replacement cycles.\u003c\/li\u003e \u003cli\u003eRetrofit projects in older installations where panel architecture supports bolt‑on breakers and requires minimal mechanical modification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eComparison at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBolt‑on GD3100 breakers offer quicker, cleaner installations compared with other mounting styles that may require more extensive panel modification.\u003c\/li\u003e \u003cli\u003eDesigned to align with Eaton’s established protection strategy, ensuring consistent trip curves, coordination, and reliability across compatible panelboards and load centers.\u003c\/li\u003e \u003cli\u003eSpecifically tailored for 3‑pole, 100A, 480V applications—avoiding over‑ or under‑protection and helping you meet electrical codes with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProduct details: Eaton Cutler-Hammer GD3100, 100 A, 3 poles, 480V, Bolt-On. Part Number: GD3100. Product Type: Circuit Breaker. Manufacturer: Eaton Cutler-Hammer. Available from AmpState. If you need help confirming fit for your panel or want to verify compatibility with your existing lineup, AmpState team members are ready to assist and ensure you get the right part for your installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410867507362,"sku":"GD3100","price":1903.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-gd3100-100a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}