{"product_id":"square-d-lra36600u43x","title":"Square D LRA36600U43X 600A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LRA36600U43X 600A 3-Pole 600 V Circuit Breaker—an industrial-grade protection device engineered to safeguard three-phase power distribution in demanding environments. With a 600 A current rating and a 3-pole configuration, this breaker is built to reliably interrupt fault currents and protect heavy feeders, motors, and distribution panels in your facility. The LRA36600U43X designation ensures precise ordering, compatibility, and traceability within your electrical system.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e600 A current rating\u003c\/strong\u003e provides robust protection for high-demand feeders and equipment, helping prevent damage from overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e ensures synchronized disconnection across all three phases, increasing safety and simplifying fault clearance in balanced three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage rating\u003c\/strong\u003e supports common industrial power systems, delivering dependable performance in installations that run on three-phase 600-volt service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable, durable construction\u003c\/strong\u003e designed to withstand the rigors of industrial environments, delivering consistent protection over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear part identification\u003c\/strong\u003e with the LRA36600U43X model number aids maintenance planning, stocking, and cross-referencing with panels and schematics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrimary protection for large 3-phase feeders in industrial control panels, manufacturing lines, and distribution centers.\u003c\/li\u003e \u003cli\u003eMotor and equipment protection where a single device must guard three live conductors and disconnect all phases during a fault.\u003c\/li\u003e \u003cli\u003eReplacement or upgrade in facilities that require a high-current, three-pole solution for 600 V systems.\u003c\/li\u003e \u003cli\u003eApplications in facilities that rely on reliable, standardized Square D components to maintain consistent electrical performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, safety, and compatibility\u003c\/h3\u003e\n\u003cp\u003eInstall this breaker as part of a properly rated panel or switchgear designed for 3-phase 600 V service. Ensure your enclosure and bus connections are compatible with the LRA36600U43X form factor and that installation follows all applicable electrical codes. As with any high-current device, work should be performed by a licensed electrician with experience in industrial power distribution. Verify the assembly instructions and torque specifications provided by the manufacturer for a secure, code-compliant installation.\u003c\/p\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LRA36600U43X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 600 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\n\u003c\/ul\u003e \u003cp\u003eWhen you need dependable three-phase protection for demanding 600 V systems, the Square D LRA36600U43X 600A 3-Pole 600 V Circuit Breaker delivers clear, tangible value—helping prevent downtime, protect expensive equipment, and keep your power distribution running smoothly. \u003cstrong\u003eOrder the LRA36600U43X today\u003c\/strong\u003e and align your electrical protection with a trusted Square D solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423051698338,"sku":"LRA36600U43X","price":48329.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lra36600u43x-600a-3-pole-600-v-circuit-breaker-644.webp?v=1789264752","url":"https:\/\/www.ampstate.com\/products\/square-d-lra36600u43x","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}