{"product_id":"square-d-hda36125uayp","title":"Square D HDA36125UAYP 125A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36125UAYP — a 125A 3-Pole 600 V Circuit Breaker engineered for reliable overcurrent protection in demanding electrical installations. This part, identified by HDA36125UAYP, is built to safeguard three-phase feeders and equipment in commercial and light industrial environments, delivering dependable performance when faults occur.\u003c\/p\u003e \u003ch3\u003eWhy this 125A 3-Pole 600V breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced protection\u003c\/strong\u003e— guards all three phases in a 3‑phase system, helping prevent unbalanced loads and potential equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125-amp rating\u003c\/strong\u003e— precisely sized to protect feeders and circuits that operate near 125A capacity, reducing nuisance trips while maintaining safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V maximum system compatibility\u003c\/strong\u003e— suitable for a wide range of commercial and industrial applications that run on higher-voltage three-phase power.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D construction\u003c\/strong\u003e— part of a long-standing family of circuit breakers designed for durable performance in demanding environments and compatible with Square D panels supporting the HDA series.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting feeders that supply motors, conveyors, and other three-phase loads up to 125A in manufacturing floors or facility rooms.\u003c\/li\u003e \u003cli\u003eProtecting power distribution in commercial spaces with 3-phase power, such as data centers, retail hubs with HVAC systems, and large office complexes.\u003c\/li\u003e \u003cli\u003eServing as a reliable main or feeder breaker in panels where quick, predictable tripping is essential for safeguarding equipment and personnel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePart number: HDA36125UAYP\u003c\/li\u003e \u003cli\u003eCurrent rating: 125 A\u003c\/li\u003e \u003cli\u003ePole count: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to optimize installation and long-term reliability\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with the HDA series and ensure the 600 V system matches your electrical distribution.\u003c\/li\u003e \u003cli\u003eFollow the panel manufacturer’s torque specifications and installation guidelines to ensure secure connections and proper trip performance.\u003c\/li\u003e \u003cli\u003eUse as part of a well-planned protection scheme in systems where three-phase balance and quick fault clearing are critical for uptime and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D HDA36125UAYP 125A 3-Pole 600 V Circuit Breaker, you’re choosing a proven, three-phase protection solution designed to keep bigger loads safe and systems running smoothly. Ready to upgrade or specify in a project? this 125A, 3-pole, 600V breaker is a precise fit for compatible Square D panels and three-phase distribution scenarios.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423344840866,"sku":"HDA36125UAYP","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-hda36125uayp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}