{"product_id":"square-d-fhl361001121","title":"Square D FHL361001121 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eSquare D FHL361001121 100A 3-Pole 600 V Circuit Breaker\u003c\/strong\u003e, a robust protective device engineered for dependable three‑phase power protection in commercial and industrial environments. With a 100 A rating across three poles and a 600 V maximum, this breaker is built to safely interrupt fault currents and shield sensitive equipment from damage.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FHL361001121\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 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\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole design matters\u003c\/h3\u003e\n\u003cp\u003eIn three‑phase systems, faults can involve multiple conductors. The 3‑pole configuration ensures all active lines trip together, reducing arc risk and preventing uncontrolled phase imbalances. This coordinated protection is especially important for protecting motors, conveyors, pumps, and other three‑phase equipment from cascading faults.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew or upgraded three‑phase distribution panels in industrial facilities\u003c\/li\u003e \u003cli\u003eMotor control centers and equipment rooms needing reliable circuit protection\u003c\/li\u003e \u003cli\u003eCommercial spaces with three‑phase machinery, chillers, or HVAC systems\u003c\/li\u003e \u003cli\u003eSpare or replacement part for existing Square D installations that require a 100 A, 3‑pole, 600 V breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cp\u003eBeyond the basic specs, the \u003cstrong\u003eSquare D FHL361001121\u003c\/strong\u003e is designed to integrate smoothly with Square D panel systems, offering precise protection aligned with standard distribution practices. The three‑pole, 600 V rating provides robust voltage handling for typical industrial environments, helping you maintain uptime and reduce preventative maintenance costs by catching faults early and isolating them quickly.\u003c\/p\u003e \u003ch3\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cp\u003eWhen replacing or installing this breaker, confirm compatibility with your panel’s bus arrangement and mounting style. Always follow manufacturer guidelines for terminal torque and secure connections to ensure reliable operation. This model is best suited for three‑phase circuits up to 100 A in applications where consistent phase protection is critical.\u003c\/p\u003e \u003ch3\u003ePerformance-oriented tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with corresponding Square D accessories that match your panel framework to ensure seamless fit and operation.\u003c\/li\u003e \u003cli\u003eDocument the part number (FHL361001121) in your spare parts inventory for faster maintenance planning and future replacements.\u003c\/li\u003e \u003cli\u003eUse as part of a broader protection strategy that includes proper enclosure ventilation and routine inspection of wiring and terminations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423028400290,"sku":"FHL361001121","price":5188.0,"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-fhl361001121","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}