{"product_id":"square-d-lap36300mb-circuit-breaker","title":"Square D | LAP36300MB | Circuit Breaker | 300A | 3-Pole | 22kA","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LAP36300MB circuit breaker is a purpose-built protection device designed for demanding electrical environments. With a 300A rating and a 3-Pole configuration, this unit is ideal for projects that require robust, multi-line protection in commercial or industrial panels. Its 22kA interrupting capacity provides a strong safeguard against short-circuit events, helping keep equipment and personnel safe during fault conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 22kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LAP36300MB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e The part number is the best reference for compatibility—confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this LAP36300MB stands out\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned to integrate with Square D panels that specify LAP-series breakers, ensuring a reliable fit within established electrical infrastructures.\u003c\/li\u003e \u003cli\u003eConcrete 22kA short-circuit rating delivers dependable protection for feeders and main circuit paths in higher-capacity installations.\u003c\/li\u003e \u003cli\u003e3-Pole configuration provides synchronized tripping across three live conductors, simplifying protection of multi-wire branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and ideal applications\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMain service protection in large commercial panels that require a 300A, 3-Pole device.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment specs call for LAP36300MB or equivalent 300A, 3-Pole, 22kA-rated breakers.\u003c\/li\u003e \u003cli\u003eReplacement of legacy units in upgraded distribution systems that rely on exact part-number compatibility for seamless operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and compatibility tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, verify that your panel model and bus configuration align with LAP-series breakers and that a 300A, 3-Pole device is required.\u003c\/li\u003e \u003cli\u003eDouble-check the panel’s voltage and the breaker's interrupting rating to ensure it matches system protection needs.\u003c\/li\u003e \u003cli\u003eDuring installation, follow all safety protocols for servicing energized panels, and consult a qualified electrician if there’s any uncertainty about fit or ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSummary\u003c\/p\u003e \u003cp\u003eFor projects demanding a precise, compatible protection solution, the Square D LAP36300MB delivers the 300A, 3-Pole protection you need with a 22kA interrupting capacity. Rely on the part number LAP36300MB to confirm compatibility, and always verify fit and ratings to ensure a secure, code-compliant install.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425683099810,"sku":"LAP36300MB","price":310.0,"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-lap36300mb-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}