{"product_id":"18ka","title":"Square D 18KA - 20A, 600VAC \/ 250VDC, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003ePower three-phase systems with precision using the Square D 18KA - 20A, 600VAC \/ 250VDC, 3-Pole Circuit Breaker. Built for demanding environments, this protective device delivers dependable overcurrent protection for panelboards, switchboards, and motor control centers where safety and reliability are non-negotiable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e up to 600 VAC or 250 VDC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 18 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Standard 3-pole circuit breaker suitable for industrial panel installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for versatility, this breaker fits seamlessly into distribution panels, switchboards, and control panels used in manufacturing lines, conveyors, and automated equipment. The three-pole design provides balanced protection across all three phases, helping prevent imbalanced loads and protecting wiring and motors from damaging faults.\u003c\/p\u003e \u003cp\u003eIdeal for \u003cstrong\u003eindustrial, commercial, and OEM applications\u003c\/strong\u003e where dependable protection and safe operation are critical in distribution panels and motor control centers. With Square D’s track record of reliability, you’re choosing a solution built to withstand demanding environments and long service life.\u003c\/p\u003e \u003ch3\u003eKey use cases and practical insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers and machine control panels in manufacturing facilities\u003c\/li\u003e \u003cli\u003eThree-phase distribution panels in industrial environments\u003c\/li\u003e \u003cli\u003eOEM equipment and retrofits where compact, reliable protective devices are needed\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for installation and optimization\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify DC load compatibility for circuits operating at 250 VDC\u003c\/li\u003e \u003cli\u003eEnsure correct three-phase alignment to maintain balanced protection\u003c\/li\u003e \u003cli\u003ePlan for future expansion by selecting a breaker with compatible interruption rating and phase configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390612557986,"sku":"18KA","price":221.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_7b93e475-0b17-4286-8abc-7902ec51538b.png?v=1765377960","url":"https:\/\/www.ampstate.com\/products\/18ka","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}