{"product_id":"square-d-hja36150sjyp","title":"Square D HJA36150SJYP 150A 3-Pole 690 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36150SJYP 150A 3-Pole 690 V Circuit Breaker is built for serious three-phase power protection in demanding industrial environments. This precise, part-number-specific device ensures reliable overcurrent protection for high-voltage distribution and motor circuits, keeping your equipment safe and your operations up and running.\u003c\/p\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part match\u003c\/strong\u003e: HJA36150SJYP guarantees compatibility with Square D installations that require a 150 A, 3-pole, 690 V circuit breaker, simplifying replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole coordination\u003c\/strong\u003e: Simultaneous disconnection of all three phases provides comprehensive protection for three-phase systems, reducing risks to wiring and equipment during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-voltage capability\u003c\/strong\u003e: Rated for up to 690 V, making it suitable for industrial feeders and motor circuits in environments where higher voltages are common.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanel-ready design\u003c\/strong\u003e: Designed to integrate smoothly with standard Square D distribution panels, MCCs, and switchgear, supporting clean, organized electrical layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with three-phase equipment powered by up to 690 V, such as large motors and process lines\u003c\/li\u003e \u003cli\u003eMain feeders and branch circuits within electrical distribution panels that require 150 A protection\u003c\/li\u003e \u003cli\u003eMotor control centers and switchgear assemblies where reliable, rapid fault interruption is critical\u003c\/li\u003e \u003cli\u003eNew installations or legacy panel upgrades that demand a precise, compatible replacement part\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this breaker solves real-world problems\u003c\/h3\u003e\n\u003cp\u003eSudden overloads or short circuits can trigger cascading equipment failures and costly downtime. The Square D HJA36150SJYP provides fast, dependable interruption across all three phases, helping you:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLimit damage to conductors, contactors, and motors by quickly isolating faults\u003c\/li\u003e \u003cli\u003eReduce maintenance headaches with a durable design built for industrial use\u003c\/li\u003e \u003cli\u003eMaintain safe operation in high-voltage distribution networks by ensuring coordinated phase shutdown\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this model over alternatives\u003c\/h3\u003e\n\u003cp\u003eFor 690 V, 3-phase systems requiring a 150 A rating, this part offers an exact, drop-in solution that minimizes compatibility risks and the need for adapters or workarounds. Its tri-pole configuration delivers complete phase isolation, which is essential for protecting both equipment and personnel in demanding environments. If your installation bill-of-materials specifies HJA36150SJYP, this is the dependable choice that aligns with your original equipment requirements.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and long-term reliability\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that the panel or switchgear enclosure supports a 150 A, 3-pole, 690 V device before installation\u003c\/li\u003e \u003cli\u003eConsult your electrical schematic to confirm exact trip settings and wiring schemes for three-phase protection\u003c\/li\u003e \u003cli\u003eSchedule routine panel checks and ensure clean, secure connections to minimize nuisance trips and overheating\u003c\/li\u003e \u003cli\u003eUse only compatible Square D replacement parts to maintain electrical integrity and warranty alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423182180514,"sku":"HJA36150SJYP","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36150sjyp-150a-3-pole-690-v-circuit-breaker-750.webp?v=1789279833","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150sjyp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}