{"product_id":"hfd3040l-circuit-breaker","title":"HFD3040L | Circuit Breaker | 40A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the HFD3040L, a rugged industrial circuit breaker engineered to protect your 3-phase power circuits with precision and reliability. When you need a direct, drop-in replacement or a retrofit to modernize an aging panel, this 3-pole 40A breaker is built to handle demanding industrial environments up to 600V.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement projects where exact specs matter, reducing downtime and rework.\u003c\/li\u003e \u003cli\u003e3-Pole configuration ensures balanced protection across all three phases, essential for motor drives, compressors, and heavy equipment.\u003c\/li\u003e \u003cli\u003eIndustrial-grade construction supports stable performance in harsh environments and aligns with common control panel architectures.\u003c\/li\u003e \u003cli\u003eUsing the part number HFD3040L as the primary compatibility reference helps ensure you’re selecting the right device for your specific panel and wiring scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical applications and use cases\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMotor control centers and distribution panels needing 40A protection on a 3-phase circuit.\u003c\/li\u003e \u003cli\u003eRetrofits where replacing like-for-like components minimizes changes to wiring, mounting, and bus fittings.\u003c\/li\u003e \u003cli\u003ePreventive maintenance upgrades that standardize protective devices across a facility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility notes\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so use HFD3040L to verify against your panel’s specifications and duty cycle.\u003c\/p\u003e \u003cp\u003eDesigned to shield expensive motors, drives, and critical circuits from overcurrent and short-circuit events, the HFD3040L simplifies spare-part inventories with a clearly identified, reliable component. When exact specifications matter for reliability and safety in industrial settings, this 40A, 3-Pole, 600V circuit breaker delivers consistent protection and easy integration into your existing systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424766873762,"sku":"HFD3040L","price":1123.0,"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\/hfd3040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}