{"product_id":"square-d-hda36100u43xaa","title":"Square D HDA36100U43XAA 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HDA36100U43XAA\u003c\/strong\u003e is a 100-amp, 3-pole circuit breaker designed for three-phase electrical systems up to 600 volts. This exact part number is purpose-built to fit compatible Square D panels, delivering reliable overcurrent protection where it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExact compatibility: part number HDA36100U43XAA ensures you’re selecting a genuine Square D replacement that matches mounting, terminals, and protective characteristics for three-phase installations.\u003c\/li\u003e \u003cli\u003eThree-pole protection for 3-phase systems up to 600 V AC: safeguards feeders, motors, and distribution circuits from overloads and short circuits.\u003c\/li\u003e \u003cli\u003e100 A continuous rating: well-suited for mid-to-large load centers and feeder protection without compromising performance.\u003c\/li\u003e \u003cli\u003eStructured for straightforward installation: compact 3-pole design simplifies wiring in panelboards and switchgear, supporting durable, long-term operation in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include manufacturing lines, HVAC and process cooling systems, pump stations, and data-center infrastructure where stable, predictable protection is essential. If you’re upgrading a panel that relies on Square D protection schemes, the HDA36100U43XAA ensures proper coordination and reliable circuit interruption without introducing compatibility concerns.\u003c\/p\u003e \u003cp\u003eWhy choose this model for your project? It provides a precise, genuine replacement within the Square D HDA family, preserving the original form factor, trip behavior, and electrical interface. By selecting the exact part, you minimize downtime, avoid mounting misfits, and maintain consistent protection across your 3-phase distribution network.\u003c\/p\u003e \u003cp\u003eCompatibility and installation notes: verify that your panel accepts HDA-series breakers and that this 100 A, 3-pole, 600 V device matches the specifications required by your system. Keep the part number handy for ordering and refer to standard electrical safety practices during installation and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423349067938,"sku":"HDA36100U43XAA","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-hda36100u43xaa","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}