{"product_id":"square-d-hda36125ud","title":"Square D HDA36125UD 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36125UD 125A 3-Pole 600 V circuit breaker—a compact, dependable protection device designed for 3‑phase electrical systems in commercial and light‑industrial environments. This unit is built to safely interrupt faults and protect feeders and motors in circuits up to 125 amperes operating at 600 volts, making it a practical choice for mid‑sized distribution needs.\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\u003ePole configuration:\u003c\/strong\u003e 3-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum voltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDA36125UD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eUse this 3‑pole breaker to guard 3‑phase feeders powering motors, conveyors, and distribution circuits in manufacturing spaces, mechanical rooms, data centers, and commercial electrical rooms. Its 125 A protection level is well-suited for mid‑size loads in 600 V systems, helping to limit damage from overloads and short circuits while minimizing downtime.\u003c\/p\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect fit for compatible Square D panels:\u003c\/strong\u003e Simplifies replacement or initial installation with a proven form factor.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑phase protection:\u003c\/strong\u003e Ensures coordinated interruption across all phases for balanced, reliable circuit shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A rating for common feeders:\u003c\/strong\u003e Provides precise protection without oversizing, supporting efficient electrical design.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility by checking your Square D panel labeling and cross‑reference against the HDA series.\u003c\/li\u003e \u003cli\u003eDuring installation, ensure secure mounting and proper conductor sizing for 125 A circuits to maintain consistent protection.\u003c\/li\u003e \u003cli\u003eUse the exact part number HDA36125UD to preserve electrical protection integrity and compatibility with your existing Square D system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423574741154,"sku":"HDA36125UD","price":5807.0,"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-hda36125ud","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}