{"product_id":"square-d-lhl3640030dc-circuit-breaker","title":"Square D | LHL3640030DC | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D's \u003cstrong\u003eLHL3640030DC\u003c\/strong\u003e 3-pole circuit breaker is engineered for dependable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This 3‑pole (3P) unit is designed to provide robust, reliable disconnect and fault protection for three‑phase electrical systems, ensuring coordinated shutoff across all three legs when faults occur.\u003c\/p\u003e \u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection (3P)\u003c\/strong\u003e—consistent, simultaneous disconnection for all phases in 3‑phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDefinitive compatibility reference\u003c\/strong\u003e—the part number \u003cstrong\u003eLHL3640030DC\u003c\/strong\u003e is the best guide for fit and replacement scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePerfect for maintenance, retrofit, and replacement\u003c\/strong\u003e—solves scenarios where matching specs and reliable protection are required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent installation and operation\u003c\/strong\u003e—engineered to align with standard Square D panels and mounting practices, helping reduce installation time and misfits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, industrial-grade design\u003c\/strong\u003e—built to withstand demanding environments while delivering dependable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated breaker in existing Square D panels with a precise 3P match.\u003c\/li\u003e \u003cli\u003eRetrofit projects that convert or upgrade three‑phase distribution to ensure proper three‑line protection.\u003c\/li\u003e \u003cli\u003eMaintenance inventories where technicians stock a trusted, widely-compatible part number for quick field replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure you get the right fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify the panel’s requirements align with \u003cstrong\u003eLHL3640030DC\u003c\/strong\u003e. The part number is the most reliable reference for compatibility, and confirming fit and ratings helps prevent downtime and mismatches in critical electrical systems.\u003c\/p\u003e \u003cp\u003eIn environments where three-phase protection matters, this Square D circuit breaker delivers clarity of fit, precise performance, and peace of mind. If your project demands a trusted 3-pole unit with a clear compatibility reference, the LHL3640030DC is the practical, deliberate choice for reliable electrical protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427246264482,"sku":"LHL3640030DC","price":4667.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lhl3640030dc-circuit-breaker-3-pole-305.webp?v=1789692919","url":"https:\/\/www.ampstate.com\/products\/square-d-lhl3640030dc-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}