{"product_id":"square-d-hja36125sl","title":"Square D HJA36125SL 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36125SL is a 125 A, 3-pole circuit breaker built to guard 3-phase electrical systems against overloads and short circuits in demanding industrial and commercial environments. With a 600 V rating and a precise HJA36125SL part number, this breaker delivers reliable protection where it matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 125 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\u003ePart number:\u003c\/strong\u003e HJA36125SL\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 breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAuthentic Square D engineering ensures compatibility with compatible Square D panels and bus systems, delivering consistent trip characteristics and reliable performance in three-phase circuits.\u003c\/li\u003e \u003cli\u003eDesigned specifically for 3-phase protection, this 125 A unit is ideal for feeding large motors, compressors, conveyors, and other 3-phase equipment in industrial facilities.\u003c\/li\u003e \u003cli\u003eCompact, rugged construction supports repeated cycling in challenging environments while maintaining secure connections and clear labeling for easy identification.\u003c\/li\u003e \u003cli\u003e600 V maximum rating expands its suitability for higher-voltage distribution networks and electrical rooms that demand robust protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThis breaker is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e3-phase motor control circuits in manufacturing, packaging lines, and material handling.\u003c\/li\u003e \u003cli\u003eFeeder protection for large equipment in commercial buildings or industrial plants.\u003c\/li\u003e \u003cli\u003eMain service disconnects in panel boards that require a reliable 125 A, 3-pole, 600 V solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure the breaker is compatible with your Square D panel and follows the manufacturer’s mounting and torque guidelines.\u003c\/li\u003e \u003cli\u003eInspect for damage before installation; replace any worn handles or labels to maintain clear identification.\u003c\/li\u003e \u003cli\u003eLabel circuits clearly to reflect load and destination; maintain proper clearance around the panel for safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose Square D HJA36125SL\u003c\/h3\u003e\n\u003cp\u003eWhen protecting critical 3-phase loads, you need a breaker you can trust. The Square D HJA36125SL combines genuine Square D reliability with precise 125 A protection for 3-pole, 600 V systems. It’s designed to reduce downtime, simplify maintenance, and fit seamlessly into compatible distribution panels—so your electrical infrastructure stays up and running when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423565009058,"sku":"HJA36125SL","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-hja36125sl","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}