{"product_id":"square-d-hja36040aa","title":"Square D HJA36040AA 36040A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA36040AA 36040A 3-Pole 600 V Circuit Breaker — a genuine Square D protective device engineered for dependable three-phase protection in demanding electrical environments. The three-pole configuration delivers synchronized disconnection across all phases, helping to safeguard motors, transformers, and distribution circuits from overloads and short circuits at up to 600 V.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HJA36040AA\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\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for three-phase systems, this Square D circuit breaker provides balanced protection across all live conductors, reducing the risk of phase imbalance and equipment damage. Being a genuine part with the HJA36040AA designation ensures compatibility with Square D panels and configurations, making replacements straightforward and reliable. The 3-pole, 600 V rating is ideal for industrial and commercial settings where robust, coordinated overcurrent protection is essential for safety and uptime.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting three-phase motors, compressors, and conveyors in manufacturing facilities\u003c\/li\u003e \u003cli\u003eDistributing and safeguarding three-phase feeders in electrical rooms and switchgear assemblies\u003c\/li\u003e \u003cli\u003eReplacing aging protective devices in existing Square D installations to maintain system coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that the system’s three-phase load and voltage meet the 600 V rating before installation.\u003c\/li\u003e \u003cli\u003eEnsure proper fitting within compatible Square D panels and follow standard torque specifications for secure terminations.\u003c\/li\u003e \u003cli\u003eKeep the original part number (HJA36040AA) in your spare parts inventory to simplify future replacements and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423188865186,"sku":"HJA36040AA","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36040aa-36040a-3-pole-600-v-circuit-breaker-758.webp?v=1789280674","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36040aa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}