{"product_id":"eaton-lgmps400g-400a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton LGMPS400G - 400 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton LGMPS400G — a 400 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to protect branch circuits with precision and reliability in panelboards and loadcenters.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: secure, vibration-resistant bus connections that stay tight under demanding electrical conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines thermal overload protection with magnetic short-circuit sensing for fast, repeatable trips and consistent protection across temperature and load variations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 600 V, 3-pole\u003c\/strong\u003e capability for robust, multi-line protection in larger circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: engineered to pair seamlessly with Eaton and matching OEM loadcenters and panelboards, reducing fit issues during installation or expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: ideal for residential, commercial, and light industrial panels where dependable fault protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eWhen overcurrent or a short circuit occurs, the LGMPS400G responds quickly to interrupt current, helping prevent insulation damage, equipment downtime, and fire risk. The bolt-on design ensures a solid, maintenance-friendly connection, while the rugged construction resists vibration and loosening in busy electrical spaces.\u003c\/p\u003e \u003ch3\u003ePractical applications and scenarios\u003c\/h3\u003e\n\u003cp\u003eUse this breaker as a main or feeder protection device in service panels, distribution boards, or subpanels within commercial spaces, light industrial facilities, and modern residences with demanding electrical loads. Its 400 A rating and 600 V capability support demanding motor loads, lighting circuits, and other branch circuits that require reliable, coordinated protection.\u003c\/p\u003e \u003ch3\u003eInstallation tips and considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your enclosure supports bolt-on molded case breakers and that bus connections are clean and torqued to specification.\u003c\/li\u003e \u003cli\u003eCoordinate protection with your overall electrical design to ensure proper trip settings and selectivity for safe, effective fault isolation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Eaton LGMPS400G is a durable, high-capacity solution for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. For residential, commercial, and light industrial electrical systems that demand consistent performance and straightforward installation, this 3-pole bolt-on breaker delivers proven protection when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349635846306,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-lgmps400g-400-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-653.webp?v=1788699206","url":"https:\/\/www.ampstate.com\/products\/eaton-lgmps400g-400a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}