{"product_id":"eaton-ndc312t35w-1200a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton NDC312T35W - 1200 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton NDC312T35W is a high-capacity, bolt-on molded case circuit breaker designed to protect large-panel electrical distributions with confidence. Rated at 1200A and 600V, this 3-pole device delivers dependable branch circuit overcurrent and short-circuit protection for panelboards and load centers in demanding commercial, residential, and light industrial environments.\u003c\/p\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e—provides a rigid, vibration‑resistant bus connection that helps maintain consistent electrical contact and reduces the risk of connection-related trips in cabinets subject to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e—combines heat-based overload protection with instantaneous magnetic trip for short circuits, delivering stable, repeatable protection performance across a range of operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e—engineered to fit and coordinate with matching Eaton load centers and panelboards, simplifying installation and ensuring proper protection coverage without compatibility gaps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current, three-pole configuration\u003c\/strong\u003e—well suited for 3-phase feeders and large distribution circuits, making it ideal for commercial and light-industrial panel assemblies as a main or feeder breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: NDC312T35W\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 1200A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Eaton NDC312T35W to protect large feeders and essential branch circuits in commercial buildings, data halls, schools, hospitals, and light industrial facilities. It excels in situations where high-current distribution, reliable short-circuit interruption, and robust mechanical mounting are priorities—especially in panelboards and load centers that experience vibration or movement.\u003c\/p\u003e \u003ch3\u003eWhy it matters for your electrical protection\u003c\/h3\u003e\n\u003cp\u003eIn a distribution panel, a single 1200A, 600V, 3-pole breaker like the NDC312T35W can eliminate the need for multiple smaller devices on high-current feeders. The bolt-on design minimizes connection risk, while the thermal-magnetic trip unit provides predictable protection, helping prevent equipment damage, downtime, and costly service calls caused by intermittent faults or loose connections.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility guidance\u003c\/h3\u003e\n\u003cp\u003eChoose the NDC312T35W when you need a breaker that harmonizes with Eaton’s OEM panelboard and loadcenter ecosystems. Ensure the panelboard is designed to accept bolt-on molded case circuit breakers of this rating and configuration, and follow standard electrical installation practices for secure mounting and wiring. For ongoing reliability, inspect connections and verify that the breaker remains within its operating temperature range and that the bus connections stay clean and tight over time.\u003c\/p\u003e \u003ch3\u003ePractical tips and insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan ahead when refurbishing or expanding a panel—the 1200A rating positions this breaker as a primary protection device for high-load feeders.\u003c\/li\u003e \u003cli\u003eUse in environments where vibration or equipment movement is a concern to maximize connection integrity and prevent nuisance trips.\u003c\/li\u003e \u003cli\u003eCoordinate with compatible Eaton load centers to maintain proper protection grading and trip response across the distribution system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349639745698,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_d5c9fed0-45fa-4443-9c97-5205f636d76b.png?v=1764152248","url":"https:\/\/www.ampstate.com\/products\/eaton-ndc312t35w-1200a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}