{"product_id":"sdt240","title":"Square D SDT240 - 40A, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D SDT240 40A Circuit Breaker\u003c\/strong\u003e delivers reliable, intelligent protection for your electrical distribution system. Built for rugged industrial and commercial environments, this 40-amp breaker guards wiring and equipment from overloads and short circuits, helping you avoid costly downtime and equipment damage.\u003c\/p\u003e \u003cp\u003eDesigned for use in panelboards, switchboards, control panels, and OEM equipment, the SDT240 fits right into your existing protection strategy. Its focused 40A rating makes it ideal for feeder and branch-circuit protection in a wide range of applications, from production lines to commercial electrical rooms and turnkey OEM assemblies.\u003c\/p\u003e \u003ch4\u003eKey benefits\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 40A protection\u003c\/strong\u003e ensures circuits stay within safe operating limits while preventing nuisance trips on normal startup surges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e compatible with panelboards, switchboards, control panels, and OEM equipment, streamlining upgrades and new builds alike.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable protection in critical spaces\u003c\/strong\u003e designed to keep distribution panels and motor control centers running smoothly, with minimal maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand-backed reliability\u003c\/strong\u003e Square D is trusted for consistent performance in demanding environments, helping you standardize protection across multiple projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eUse cases\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eInstalling or upgrading a factory distribution panel where a clean, single-point 40A protection device is needed.\u003c\/li\u003e \u003cli\u003eIntegrating into motor control centers to safeguard feeders and control circuits from overloads during peak operation.\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in control panels within OEM equipment to restore reliable protection and safe operation.\u003c\/li\u003e \u003cli\u003eSpecifying for commercial electrical rooms where robust, easy-to-source protection components are prioritized.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eWhy this matters\u003c\/h4\u003e\n\u003cp\u003eIn any setup where electrical loads fluctuate or machines start up frequently, a dependable circuit breaker is the line between smooth operation and disruptive outages. The SDT240’s 40A rating provides a balanced protection level for common control panels and distribution circuits, while its construction supports long service life in challenging environments.\u003c\/p\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, switchboards, control panels, and OEM equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Industrial, commercial, and OEM protection in distribution panels and motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D SDT240 40A Circuit Breaker to unify protection across your electrical infrastructure, reduce downtime, and simplify maintenance with a trusted, purpose-built device engineered for performance where it counts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390535782562,"sku":"SDT240","price":376.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_7122aea8-b34f-4ac8-93bb-3b3fd7baeb1b.png?v=1765377015","url":"https:\/\/www.ampstate.com\/products\/sdt240","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}