{"product_id":"fh36025-square-d-molded-case-circuit-breaker-i-line-plug-in-25-amp-3-pole-600-volt","title":"Square D FH36025 Circuit Breaker | 25A 3-Pole 600V I-Line Molded Case","description":"\u003ch2\u003eSquare D FH36025 – 25 Amp 3-Pole 600V Molded Case Circuit Breaker (I-Line Plug-In)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSquare D FH36025\u003c\/strong\u003e is a heavy-duty, industrial-grade \u003cstrong\u003emolded case circuit breaker (MCCB)\u003c\/strong\u003e engineered for reliable overcurrent protection in demanding commercial and industrial power distribution systems. With an \u003cstrong\u003eI-Line plug-in connection\u003c\/strong\u003e, this breaker installs directly into Square D I-Line panelboards without additional wiring hardware — making replacement and maintenance faster and more cost-effective.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is the Square D FH36025?\u003c\/h3\u003e\n\u003cp\u003eThe FH36025 is a \u003cstrong\u003ethermal-magnetic, 3-pole molded case circuit breaker\u003c\/strong\u003e manufactured by Square D (Schneider Electric). It is rated for \u003cstrong\u003e25 Amperes\u003c\/strong\u003e at up to \u003cstrong\u003e600 Volts AC\u003c\/strong\u003e, making it suitable for three-phase industrial applications including motor branch circuits, feeder protection, and panel distribution in manufacturing facilities, commercial buildings, and utility infrastructure.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FH36025\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D \/ Schneider Electric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 25A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 25 kAIC @ 480V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Type:\u003c\/strong\u003e Thermal-Magnetic (LI – Long-time \u0026amp; Instantaneous)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e I-Line Plug-In\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e F-Frame\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial \u0026amp; Commercial Power Distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the I-Line Plug-In Design?\u003c\/h3\u003e\n\u003cp\u003eSquare D's I-Line plug-in technology allows the FH36025 to connect directly into compatible Square D I-Line panelboards with a simple plug-in motion — no bus bar bolts required. This significantly reduces installation time and minimizes the risk of loose connections. It's the preferred solution for facilities that require frequent breaker changes, load rebalancing, or fast maintenance turnaround.\u003c\/p\u003e\n\n\u003ch3\u003eThermal-Magnetic Trip Technology\u003c\/h3\u003e\n\u003cp\u003eThe FH36025 uses \u003cstrong\u003ethermal-magnetic trip technology\u003c\/strong\u003e with two protection functions:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Time (L):\u003c\/strong\u003e Provides sustained overload protection by responding to heat buildup over time — ideal for protecting wiring and equipment from damage caused by persistent low-level overloads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstantaneous (I):\u003c\/strong\u003e Immediately trips the breaker during high-magnitude short-circuit faults, protecting downstream equipment from catastrophic damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThree-phase motor branch circuit protection\u003c\/li\u003e\n  \u003cli\u003eFeeder and sub-feeder circuit protection\u003c\/li\u003e\n  \u003cli\u003eIndustrial manufacturing facilities\u003c\/li\u003e\n  \u003cli\u003eCommercial buildings and data centers\u003c\/li\u003e\n  \u003cli\u003eUtility and infrastructure power panels\u003c\/li\u003e\n  \u003cli\u003eReplacement for aging or tripped Square D F-Frame breakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe FH36025 is designed for use with \u003cstrong\u003eSquare D I-Line panelboards and switchboards\u003c\/strong\u003e. Always verify panel compatibility before installation. This breaker replaces older or identical Square D FH-frame models in I-Line systems. Consult your panel documentation or a licensed electrician if unsure about compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eAvailable as \u003cstrong\u003eNew\u003c\/strong\u003e (SKU: FH36025-N). All units are inspected and verified before shipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNeed a different amperage or pole configuration? Contact us — we stock a wide range of Square D I-Line and thermal-magnetic circuit breakers for industrial and commercial applications.\u003c\/em\u003e\u003c\/p\u003e","brand":"Square D \/ Schneider Electric","offers":[{"title":"New","offer_id":48396207620344,"sku":"FH36025-N","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/cb-fh36025.jpg?v=1778795193","url":"https:\/\/alphabreakersandcontrols.com\/products\/fh36025-square-d-molded-case-circuit-breaker-i-line-plug-in-25-amp-3-pole-600-volt","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}