{"product_id":"square-d-hja36070sr","title":"Square D HJA36070SR 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover reliable three‑phase protection with the Square D HJA36070SR circuit breaker. Engineered for demanding industrial and commercial power systems, this unit delivers a solid 70 A current rating across 3 poles and a 600 V maximum voltage, making it a dependable choice for safeguarding motors, conveyors, pumps, and other critical equipment in your panelboard setup. The part number HJA36070SR identifies this specific model in the Square D lineup, helping you source an exact direct replacement or compatible installation with ease.\u003c\/p\u003e \u003ch3\u003eKey specifications that matter\u003c\/h3\u003e\n\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\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e Up to 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HJA36070SR\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole model is a strong fit\u003c\/h3\u003e\n\u003cp\u003eIn three‑phase systems, a 3‑pole circuit breaker like the HJA36070SR disconnects all live conductors simultaneously, reducing the risk of uneven current flow and equipment damage. The 70 A rating suits moderate to heavy loads, such as industrial motors, air handling units, and large compressors, while the 600 V capability ensures compatibility with higher‑voltage distribution in commercial environments. This combination of rating, configuration, and voltage makes it a practical choice for panel boards and service entrances that require robust phase protection.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree‑phase motor protection in manufacturing lines, HVAC systems, and processing equipment\u003c\/li\u003e \u003cli\u003eProtection for industrial pumps, fans, and conveyors in warehouses or facilities with medium to high power demands\u003c\/li\u003e \u003cli\u003eReplacement or stocking for Square D panels that call for a 3‑pole, 70 A, 600 V device\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it helps you manage risk and downtime\u003c\/h3\u003e\n\u003cp\u003eWith a dedicated 3‑pole design, the HJA36070SR minimizes fault propagation by tripping all phases together when overloads or faults occur. This rapid, coordinated shutdown protects wiring insulation, reduces arc risk, and shortens downtime by enabling faster restoration after a fault is cleared. For technicians and facility managers, it provides a clear, scalable protection point in your power distribution strategy.\u003c\/p\u003e \u003ch3\u003ePractical considerations for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with HJA‑series devices and ensure correct mounting and bus bar alignment within your enclosure\u003c\/li\u003e \u003cli\u003eInspect the breaker during routine servicing for signs of wear, corrosion, or deformities in terminals\u003c\/li\u003e \u003cli\u003eKeep spare HJA36070SR units on hand for fast replacement during maintenance outages or equipment upgrades\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HJA36070SR when you need a dependable, three‑pole, 70 A protection solution for 600 V systems. It’s built for real‑world industrial use, delivers clear protection for critical loads, and aligns with common Square D panel configurations—helping you keep power flowing safely and reliably.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423566647458,"sku":"HJA36070SR","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-hja36070sr","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}