{"product_id":"eaton-kd3250s31","title":"Eaton KD3250S31 250A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton KD3250S31 250A 3-Pole 600 V Circuit Breaker\u003c\/strong\u003e delivers reliable overcurrent protection for three‑phase electrical systems, guarding motors, feeders and critical loads up to 600 volts. Built to handle demanding industrial and commercial environments, this breaker ensures safe, predictable disconnection when faults occur.\u003c\/p\u003e \u003ch3\u003eWhat makes this model stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced protection\u003c\/strong\u003e—simultaneous isolation of all three phases prevents phase imbalances and reduces the risk of damage to motors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current handling\u003c\/strong\u003e—250 A rating makes it suitable for protecting large motors, heavy feeders, and substantial distribution circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage capacity up to 600 V\u003c\/strong\u003e—designed for typical industrial power networks, offering solid protection across a range of applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart of Eaton’s KD-series\u003c\/strong\u003e—designed for compatibility with existing KD-series panels and accessories, enabling straightforward replacements and coordinated protection strategies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial motor circuits (pumps, conveyors, industrial fans, compressors) requiring dependable 3‑phase protection.\u003c\/li\u003e \u003cli\u003eThree‑phase feeders and bus connections in commercial distribution panels and switchgear.\u003c\/li\u003e \u003cli\u003eSystem upgrades where higher current protection is needed without adding multiple single-pole devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this protects your system\u003c\/h3\u003e\n\u003cp\u003eThe KD3250S31 intercepts overcurrent events in three-phase circuits, helping prevent insulation damage, conductor overheating, and motor burnout. By providing a clear, fast disconnection path at the point of fault, it supports safer operation, reduces downtime, and simplifies maintenance planning for mid-to-large electrical installations.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KD3250S31\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 250 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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct family:\u003c\/strong\u003e Eaton KD-series circuit breakers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as the primary overcurrent protection for 3‑phase feeders and motor circuits within compatible Eaton panels or enclosures.\u003c\/li\u003e \u003cli\u003eCoordinate with upstream protection to achieve appropriate fault clearance times for your load profile.\u003c\/li\u003e \u003cli\u003eKeep a compatible spare KD-series breaker on hand to minimize downtime during maintenance or panel upgrades.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and manufacturer guidelines during installation and replacement to ensure safe, compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423335207074,"sku":"KD3250S31","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\/eaton-kd3250s31","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}