{"product_id":"square-d-hdm36040-circuit-breaker","title":"Square D | HDM36040 | Circuit Breaker | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HDM36040\u003c\/strong\u003e is a purpose-built 3-pole, 600V bolt-on circuit breaker designed for reliable protection in industrial and commercial electrical systems. Crafted to meet the needs of maintenance, retrofit, and replacement projects, this unit provides sturdy, field-ready performance when you need to restore or upgrade three-phase circuits.\u003c\/p\u003e \u003cp\u003eDesigned for scenarios where exact compatibility matters, the HDM36040 is identified by its part number, making it the most reliable reference during procurement and installation. When ordering, always confirm fit and ratings first—the part number is the quickest way to ensure you’re getting a direct match for your panel’s mounting footprint and service requirements.\u003c\/p\u003e \u003ch3\u003eKey features at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole for true three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V operating voltage suitable for industrial distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-On installation for secure, durable mounting\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel reference:\u003c\/strong\u003e HDM36040—use this part number to verify cross-compatibility with your panel and replacement schedule\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand heritage:\u003c\/strong\u003e Square D, a trusted name in dependable overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams performing routine replacements to minimize downtime\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading legacy panels to modern three-phase protection\u003c\/li\u003e \u003cli\u003eApplications requiring a robust 600V bolt-on breaker to safeguard motors, pumps, and other heavy-load equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this part stands apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect-fit compatibility:\u003c\/strong\u003e Specifically referenced by HDM36040 to ensure a precise mounting footprint and electrical fit in compatible Square D panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Eliminates loose connections and reduces service time during installation or replacement\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear procurement path:\u003c\/strong\u003e Using the exact part number minimizes guesswork and helps align ordering with panel documentation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility and replace with confidence\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, cross-check that your panel requires a 3-pole, 600V bolt-on breaker in the HDM family and that the mounting and bus connection style match your system. The HDM36040 part number is your best reference for compatibility, ensuring you’re selecting the correct unit for maintenance, retrofit, or replacement needs.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the equipment and follow your organization’s safety procedures before replacing a breaker\u003c\/li\u003e \u003cli\u003eConfirm the panel’s mounting footprint and bus connection arrangement aligns with a bolt-on 3-pole breaker\u003c\/li\u003e \u003cli\u003eKeep the HDM36040 part number on hand in procurement logs and maintenance records to streamline future service calls\u003c\/li\u003e \u003cli\u003eStore replacement units in their original packaging until installation to preserve performance and ease of handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427228045474,"sku":"HDM36040","price":4730.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-hdm36040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}