{"product_id":"square-d-nef36900lig-circuit-breaker","title":"Square D | NEF36900LIG | Circuit Breaker | 900A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D NEF36900LIG circuit breaker—an high-capacity protection device engineered for demanding electrical systems. With a 900-amp rating, a 3-pole configuration, and a 600-volt rating, this breaker is built to safeguard three-phase power distribution in commercial and industrial environments where reliability matters most.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects where exact specifications are essential, the NEF36900LIG offers a precise fit for compatible Square D panels and systems. When you’re upgrading or refurbishing an active electrical setup, you need a breaker you can trust to match performance and safety standards in real-world conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 900A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBest reference for compatibility:\u003c\/b\u003e Part number NEF36900LIG\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eFor systems that demand robust three-phase protection, this NEF36900LIG unit delivers the precise current rating and configuration needed to support critical loads without overcomplicating the panel lineup. Its three-pole design aligns with typical industrial and commercial feeders, helping ensure consistent control of multi-phase power in demanding environments.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging service panels to accommodate higher-capacity loads without changing the surrounding hardware.\u003c\/li\u003e \u003cli\u003eRetrofitting existing installations to a standardized 900A, 3-pole, 600V protection scheme.\u003c\/li\u003e \u003cli\u003eReplacing defective or worn breakers while preserving system specifications and safety compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHelpful buying tips\u003c\/h3\u003e\n\u003cp\u003eTo minimize downtime and ensure proper fit, rely on the part number NEF36900LIG as your primary compatibility reference. Always confirm fit and ratings before ordering, and coordinate with your panel manufacturer documentation to verify that this specific Square D breaker matches your enclosure and bus configuration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426190807202,"sku":"NEF36900LIG","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-nef36900lig-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}