{"product_id":"square-d-hja260503","title":"Square D HJA260503 50A 2-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA260503, a robust 50A, 2-pole circuit breaker engineered to deliver reliable overcurrent protection in 600V electrical systems. With its dual-pole design, it ensures simultaneous disconnect of both hot legs for balanced protection in higher-voltage panel setups. This unit is the HJA260503 model, built to integrate seamlessly with Square D panels that accept this form factor.\u003c\/p\u003e \u003ch3\u003eKey features that matter\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 A current rating\u003c\/strong\u003e provides precise protection for feeders and branch circuits without unnecessary trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design\u003c\/strong\u003e offers coordinated protection across both conductors in 600V circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V voltage rating\u003c\/strong\u003e suits higher-voltage distribution panels and equipment feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Square D component\u003c\/strong\u003e trusted for compatibility and long-term reliability within Square D electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThis breaker is well-suited for commercial electrical panels and industrial control panels that require a 50A, 2-pole device. Use it to protect motor feeders, HVAC circuits, or large branch circuits in 600V distribution environments, helping to prevent damage from overloads and reducing downtime.\u003c\/p\u003e \u003ch3\u003eWhy choose this over alternatives\u003c\/h3\u003e\n\u003cp\u003eChoosing the HJA260503 means opting for a component that aligns with Square D ecosystem expectations—consistent trip characteristics, dependable mechanical operation, and straightforward replacement within the same brand family. This reduces compatibility concerns and simplifies maintenance planning for ongoing electrical projects.\u003c\/p\u003e \u003ch3\u003eInstallation tips and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that the panel accepts the HJA260503 form factor before installation.\u003c\/li\u003e \u003cli\u003eInstall with power off, secure mounting, and tighten lugs to the panel’s recommended torque.\u003c\/li\u003e \u003cli\u003eReplace after a confirmed trip or if the device shows signs of wear or damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x Square D HJA260503 50A 2-Pole 600 V Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423105962146,"sku":"HJA260503","price":1015.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja260503-50a-2-pole-600-v-circuit-breaker-785.webp?v=1789270379","url":"https:\/\/www.ampstate.com\/products\/square-d-hja260503","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}