{"product_id":"square-d-hja36070aa","title":"Square D HJA36070AA 36070A 3-Pole 600 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D HJA36070AA 36070A 3-Pole 600 V Circuit Breaker Potential Transformer — a purpose-built protection device designed for reliable three‑phase power in industrial and commercial settings. Built to meet demanding electrical standards, this unit combines robust overcurrent protection with a potential transformer interface to support accurate sensing for protection relays and metering.\u003c\/p\u003e \u003cp\u003eKey features designed to streamline installation and improve system reliability:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HJA36070AA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 36070 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 \u003cli\u003e\n\u003cstrong\u003ePotential Transformer integration:\u003c\/strong\u003e geared for precise sensing and relay coordination in protected networks\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced protection\u003c\/strong\u003e in three-phase systems, reducing the risk of unbalanced faults and enabling coordinated trip schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-voltage capability\u003c\/strong\u003e up to 600 V makes it suitable for a wide range of industrial feeders, MCCs, and switchgear assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated potential transformer interface\u003c\/strong\u003e simplifies metering and protection relay connections, helping you consolidate components and reduce wiring complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable Square D engineering\u003c\/strong\u003e built to withstand demanding environments, long service life, and predictable performance under fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtection for three‑phase motors and heavy machinery in manufacturing facilities\u003c\/li\u003e \u003cli\u003eMain protection in switchgear cabinets and distribution panels serving data centers or commercial campuses\u003c\/li\u003e \u003cli\u003eProtection and metering-ready configurations where accurate voltage sensing is essential for relay coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow it compares to alternatives\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOffers a compact, integrated approach by combining circuit breaking function with a potential transformer interface, which can reduce wiring and panel space compared to separate breaker and PT components.\u003c\/li\u003e \u003cli\u003eDesigned for reliability in industrial environments, delivering consistent trip performance and precise sensing without the need for aftermarket adapters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and planning\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your panel or switchgear enclosure and ensure voltage and current ratings align with your system design.\u003c\/li\u003e \u003cli\u003ePlan relay coordination early; the potential transformer interface simplifies integration with protection relays and metering equipment.\u003c\/li\u003e \u003cli\u003eConsult the installation manual for torque specs, busbar alignment, and mounting clearances to maintain optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an aging protection scheme or designing a new three‑phase installation, the Square D HJA36070AA 36070A 3-Pole 600 V Circuit Breaker Potential Transformer delivers precise protection, streamlined sensing, and the reliability you expect from Square D. Reach out to your electrical distributor or add to cart to secure this dependable protection solution for your 3‑phase systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423186800802,"sku":"HJA36070AA","price":510.0,"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-hja36070aa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}