{"product_id":"square-d-hla36125-125a-600v-3-pole-plug-in-circuit-breaker","title":"Square D HLA36125 - 125 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HLA36125 is a 125A, 600V, 3-pole plug-in molded case circuit breaker designed to shield your panelboards and load centers from overcurrent and short-circuit events with precision and ease. Built for dependable, field-ready protection, this unit blends fast installation with reliable, repeatable trip performance that you can trust under demanding electrical loads.\u003c\/p\u003e \u003ch3\u003eWhat makes the HLA36125 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in installation\u003c\/strong\u003e— designed for quick insertion and effortless replacement in compatible panelboards, minimizing downtime during upgrades or servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e— provides stable, repeatable protection by combining current-based thermal sensing with instantaneous magnetic response for swift short-circuit action.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e— engineered to pair seamlessly with matching Square D OEM load centers and panelboards, ensuring reliable fit and coordinated protection across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustry-ready performance\u003c\/strong\u003e— ideal for residential, commercial, and light industrial applications where dependable 3-pole, 125A protection is required in 600V systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HLA36125\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases and benefits\u003c\/h3\u003e\n\u003cp\u003eWhether you’re upgrading an aging panel or constructing a new installation, the HLA36125 delivers clear advantages:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard and load center upgrades\u003c\/strong\u003e— swap in quickly to restore or improve protection without invasive rewiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-phase systems\u003c\/strong\u003e— accurate 3-pole protection for balanced or moderately unbalanced loads commonly found in commercial equipment rooms and light industrial spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRoutine service and maintenance\u003c\/strong\u003e— the plug-in design simplifies testing, replacement, and inventory management for service teams.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCode-compliant protection\u003c\/strong\u003e— engineered to meet electrical code expectations for branch-circuit protection in mid- to high-amenity installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm the breakout and bus assignment in your panelboard matches a 3-pole, plug-in configuration before installation.\u003c\/li\u003e \u003cli\u003ePair this breaker with the corresponding Square D OEM load center or panelboard to ensure coordinated trip characteristics and warranty integrity.\u003c\/li\u003e \u003cli\u003eUse proper torque on lugs and verify secure seating in the plug-in interface to maintain reliable electrical contact and safe operation.\u003c\/li\u003e \u003cli\u003eStore and handle breakers in a clean, dry environment to preserve mechanism integrity and trip accuracy over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals seeking durable, field-proven branch circuit protection in 600V, the Square D HLA36125 delivers concise performance, straightforward installation, and seamless integration with compatible panel systems—making it a dependable choice for reliable electrical protection in homes, offices, and small industrial facilities. Available through AmpState for quick access to trusted Square D components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355298779298,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_1de6165a-e862-4ca7-8a11-60248072fce7.png?v=1764691044","url":"https:\/\/www.ampstate.com\/products\/square-d-hla36125-125a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}