{"product_id":"3p40-circuit-breaker","title":"3P40 | Circuit Breaker | 40A | 3-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eThe 3P40 circuit breaker is a rugged, industrial 3-pole protective device designed for 240V systems, delivering reliable overcurrent protection at a 40A rating. Built for maintenance, retrofit, and replacement work, this plug-in breaker simplifies field swaps and minimizes downtime in demanding environments.\u003c\/p\u003e \u003cp\u003eWhat sets the 3P40 apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e for synchronized shutdown of all phases, safeguarding motors, drives, and multi-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40A, 240V capability\u003c\/strong\u003e tuned for common industrial loads, from conveyors and pumps to HVAC and motor control centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in design\u003c\/strong\u003e enables quick installation or replacement without complex wiring or mounting hardware, reducing service time on the line.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e—use the part number 3P40 to verify fit with your panel and protection scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance: swap in seconds during scheduled downtime to keep equipment protected.\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrade older panels to modern, reliable overcurrent protection with minimal disruption.\u003c\/li\u003e \u003cli\u003eReplacement scenarios: quickly restore a failed circuit breaker in control cabinets, drives, or machinery enclosures.\u003c\/li\u003e \u003cli\u003eNew installations: suitable for three-phase circuits where a 40A threshold is appropriate for motor starters or process equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a proper match\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific application. The 3P40 is identified by its 3-pole, 240V, 40A specification. The part number is the most reliable reference for compatibility, so keep 3P40 on hand when checking against your panel catalogue or schematic.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-In:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 3P40\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who maintain industrial systems, the 3P40 delivers straightforward protection, fast serviceability, and dependable performance in demanding environments. Whether upgrading an aging panel or performing a routine replacement, this plug-in circuit breaker helps you protect critical equipment with precision and ease.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426857832610,"sku":"3P40","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_63e470e9-d360-4ffe-a511-3550084c618c.png?v=1766907689","url":"https:\/\/www.ampstate.com\/products\/3p40-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}