{"product_id":"square-d-hja36150ud","title":"Square D HJA36150UD 150A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding electrical environments, the Square D HJA36150UD is a 150-amp, 3-pole circuit breaker built to protect you against overloads and short circuits in mid-to-large power distribution. Designed by Square D, this unit delivers dependable, three-phase protection for industrial panels, commercial distributors, and heavy-load feeders in 600 V systems.\u003c\/p\u003e \u003cp\u003eKey advantages of the HJA36150UD in real-world setups:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for true 3-phase protection\u003c\/strong\u003e ensures coordinated switching and protection across all phases, reducing the risk of unbalanced faults in motors, drives, and distribution networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e150 A current rating\u003c\/strong\u003e provides robust protection for sizable circuits without frequent nuisance trips, helping maintain uptime for critical equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage rating\u003c\/strong\u003e suits a broad range of industrial and commercial applications, from motor feeders to power distribution feeders within panels and switchgear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward integration\u003c\/strong\u003e with Square D panel ecosystems and standard mounting configurations simplifies replacement or upgrade projects in existing electrical rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios include feeding large motors, motor control centers, and high-demand distribution circuits in manufacturing floors, processing plants, and large facilities. If you’re upgrading an aging protective device or designing a new 3-phase distribution scheme, the HJA36150UD offers reliable protection with a clear path to maintenance and future expansion.\u003c\/p\u003e \u003cp\u003ePractical considerations and tips for deployment:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm panel compatibility with a 3-pole, 150 A device designed for 600 V systems to ensure proper fit and safe operation.\u003c\/li\u003e \u003cli\u003eFollow standard wiring practices for three-phase feeders and adhere to manufacturer's torque specifications for secure terminations.\u003c\/li\u003e \u003cli\u003eUse in applications where synchronized protection across all phases is essential to safeguard motors and processors from phase loss or uneven loading.\u003c\/li\u003e \u003cli\u003eKeep a record of the exact model (HJA36150UD) for spare parts, service alignment, and future replacements to minimize downtime during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D HJA36150UD, you get a purpose-built solution for reliable, three-phase protection in demanding voltage environments. It’s a practical choice for technicians and facility managers aiming to enhance electrical safety, improve system uptime, and simplify panel modernization projects without compromising on performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423556817058,"sku":"HJA36150UD","price":8686.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36150ud","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}