{"product_id":"square-d-hjl36040aabcsk","title":"Square D HJL36040AABCSK 36040A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJL36040AABCSK, a robust 3-pole, 600 V circuit breaker designed to protect 3-phase electrical systems with precision. As part of the Square D HJL line, this unit brings reliable overcurrent protection to commercial and industrial panels where consistent performance matters.\u003c\/p\u003e \u003cp\u003eWhat it does is simple but essential: it detects overload or short-circuit conditions across three phases and interrupts current flow to safeguard wiring, motors, and downstream equipment. The 3-pole design ensures balanced protection, reducing the risk of phase imbalances and minimizing arc exposure during a fault. Built for demanding environments, it provides dependable actuation when you need it most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HJL36040AABCSK (also referenced as 36040A in listings)\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\u003eCurrent rating:\u003c\/strong\u003e 36040 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Square D HJL family\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise three-phase protection:\u003c\/strong\u003e The 3-pole configuration ensures uniform protection across all conductors, helping protect motors, drives, and feeders from damaging overcurrents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility and serviceability:\u003c\/strong\u003e Designed to fit Square D panels that accept HJL-series breakers, making replacement straightforward and minimizing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for industrial use:\u003c\/strong\u003e Built to withstand the rigors of commercial and industrial environments, delivering reliable performance over the long term.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification and traceability:\u003c\/strong\u003e The exact part number (HJL36040AABCSK) and designation (36040A) help ensure you’re selecting the correct device for your panel and application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtection for 3-phase motors, conveyors, pumps, and fans in manufacturing facilities\u003c\/li\u003e \u003cli\u003eGuarding feeders and branch circuits in commercial electrical rooms\u003c\/li\u003e \u003cli\u003eReplacement in existing panels that require HJL-series 3-pole, 600 V protection\u003c\/li\u003e \u003cli\u003eMotor control centers and power distribution installations where reliable, fast interrupting protection is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e: Before installation, verify panel compatibility and follow all safety procedures for de-energizing equipment. Use appropriate torque and lug tightening specifications, and ensure the trip indicator is accessible for quick status checks. This part is the exact replacement you’d want to maintain consistent protection levels in your 3-phase system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423180837026,"sku":"HJL36040AABCSK","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hjl36040aabcsk-36040a-3-pole-600-v-circuit-breaker-551.webp?v=1789279652","url":"https:\/\/www.ampstate.com\/products\/square-d-hjl36040aabcsk","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}