{"product_id":"square-d-hja36070uh","title":"Square D HJA36070UH 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HJA36070UH 70A 3-Pole 600 V Circuit Breaker — a genuine Square D part (Part Number HJA36070UH) built to safeguard 3-phase electrical systems with dependable, consistent protection. Designed for industrial and commercial environments, this breaker combines a practical 3-pole design with a strong 70 amp rating to stand up to demanding loads while keeping wiring and equipment safe.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-pole design for balanced 3-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HJA36070UH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world setups:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThree-pole protection ensures all phases trip together, minimizing the risk of motor or equipment damage due to uneven phase loading in 3-phase systems.\u003c\/li\u003e \u003cli\u003eA 600 V rating expands its applicability to higher-voltage distribution environments common in industrial panels and commercial installations.\u003c\/li\u003e \u003cli\u003eWith a 70 A capacity, it provides reliable protection for feeders and branch circuits without excessive nuisance trips, helping maintain uptime for critical systems.\u003c\/li\u003e \u003cli\u003eAs a recognized Square D component, it offers compatibility with panels and enclosures designed for HJA-series breakers, preserving labeling, certifications, and installation standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eProtection for motors, conveyors, and HVAC equipment in manufacturing or processing facilities\u003c\/li\u003e \u003cli\u003eFeeder protection in industrial control panels and distribution boards that service 3-phase circuits\u003c\/li\u003e \u003cli\u003eProtection for commercial power systems where higher voltage (up to 600 V) is present\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation notes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm that your panel accepts HJA-series breakers and that a 70 A setting aligns with your circuit design.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety practices, verify proper torque on connections, and ensure appropriate clearance and insulation for 600 V applications.\u003c\/li\u003e \u003cli\u003eUse as a direct, genuine replacement to maintain system reliability and avoid compatibility issues.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals seeking durable, dependable 3-phase protection, the Square D HJA36070UH 70A 3-Pole 600 V Circuit Breaker offers a precise fit, proven performance, and the trusted reliability of Square D—delivering peace of mind for critical electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423566450850,"sku":"HJA36070UH","price":3552.0,"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-hja36070uh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}