{"product_id":"eaton-lgh340032w-400a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton LGH340032W - 400 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton LGH340032W, a 400A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliability, it stabilizes electrical protection in a wide range of residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant bus connection, reducing movement and maintaining consistent electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance, reacting predictably to both sustained overloads and short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to pair with matching Eaton loadcenter and panelboard systems for straightforward installation and reliable integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection\u003c\/strong\u003e with a 400A amperage rating and 600V rating makes it suitable for demanding service feeds and branch circuits in a variety of applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential panels, commercial electrical rooms, and light industrial electrical distribution networks seeking durable, dependable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eThe LGH340032W isn’t just a break in the circuit—it's a proactive safeguard. The bolt-on mounting ensures a solid, low-vibration connection, which is crucial in panels subjected to door operations, motor loads, or facility vibration. The thermal-magnetic trip unit delivers decisive action against faults while minimizing nuisance tripping, helping keep downtime and maintenance costs down in busy facilities.\u003c\/p\u003e \u003ch3\u003eUse cases and installation considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing protection in Eaton panelboards and loadcenters to maintain consistent performance across critical circuits.\u003c\/li\u003e \u003cli\u003eInstalling in residential service panels that require robust 400A branch-circuit protection for large feeders or multi‑room systems.\u003c\/li\u003e \u003cli\u003e deploying in commercial electrical rooms and light industrial panels where reliable protection and easy integration with existing OEM components are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: LGH340032W\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 400A\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 \u003cp\u003eDesigned to integrate seamlessly with existing Eaton systems, the LGH340032W provides a robust, long-lasting protection solution for a range of installations. Whether you’re wiring a new panel, upgrading an older setup, or stocking the right spare for service calls, this 3‑pole, bolt-on breaker delivers clear protection and dependable performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349634797730,"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_50cc87cd-d8ad-4396-a349-70be534825d2.png?v=1764152083","url":"https:\/\/www.ampstate.com\/products\/eaton-lgh340032w-400a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}