{"product_id":"industrial-tb340","title":"Industrial TB340 40A 3-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Industrial TB340—a robust circuit breaker designed for demanding 3-phase electrical systems. With a 40 A current rating and 240 V operating voltage, this 3-pole breaker is built to reliably protect power distribution in factories, workshops, and industrial facilities. Its compact, purpose-built design makes it an essential component for safeguarding motors, feeders, and critical equipment in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TB340\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-pole TB340 matters for your system\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e The 3-pole configuration ensures all three phases are disconnected together during a fault, reducing the risk of unstable phase conditions and protecting aligned downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced circuit safety:\u003c\/strong\u003e A dedicated 40 A rating targets common industrial loads—think motors, pumps, conveyors, and large lighting or climate-control circuits—without over- or under-tripping for typical peak demands.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimal for 240 V distributions:\u003c\/strong\u003e Designed for standard 240 V three-phase systems found in many industrial facilities, making it an effective fit for panel boards and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile in protection schemes:\u003c\/strong\u003e Suitable for installation in panels that utilize potential transformers and sensing configurations, supporting monitoring and protection strategies in modern industrial control environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting 3-phase motors and feeders in manufacturing lines, HVAC systems, and pumping stations\u003c\/li\u003e \u003cli\u003eDistribution panel protection in warehouses, facilities, and processing plants\u003c\/li\u003e \u003cli\u003eUpgrade or replacement in industrial control panels where a reliable 40 A, 3-pole 240 V breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it stands up to real-world challenges\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDurable componentry designed for continuous operation in industrial settings, where reliability and predictable protection are critical\u003c\/li\u003e \u003cli\u003eClear, straightforward compatibility with standard 3-phase electrical architectures, reducing installation complexity\u003c\/li\u003e \u003cli\u003eConsistent performance in panel-mounted applications where space and accessibility matter, helping keep cabinets tidy and maintainable\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for maximizing value\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel’s busbar and mounting style align with the TB340’s 3-pole footprint to ensure secure, compliant installation.\u003c\/li\u003e \u003cli\u003eMatch the 40 A rating to the connected load to prevent nuisance trips while still providing solid protection against overload and short-circuit events.\u003c\/li\u003e \u003cli\u003eIf your system uses potential transformers for monitoring, the TB340’s configuration supports integration with protection schemes that rely on accurate phase isolation and fault detection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re outfitting a new industrial control panel or upgrading an existing distribution network, the TB340 40A 3-Pole 240 V circuit breaker offers dependable, straightforward protection for three-phase systems. Its purpose-built design and clear 3-phase operation help you maintain safe, efficient electrical performance across demanding industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Industrial","offers":[{"title":"Default Title","offer_id":46423281336482,"sku":"TB340","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/industrial-tb340","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}