{"product_id":"siemens-fd63t125-molded-case-circuit-breaker-trip-unit","title":"Siemens FD63T125 Molded Case Circuit Breaker Trip Unit","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"590\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/siemens\"\u003eSiemens\u003c\/a\u003e FD63T125 Trip Unit is used in FD-frame molded case circuit breaker systems to provide thermal-magnetic overload and short-circuit protection for industrial electrical distribution circuits. Commonly installed in Siemens FD series circuit breakers within switchboards, motor control centers, and industrial power distribution panels operating up to 600V AC. Maintenance teams, OEM panel builders, and electrical contractors use this trip unit for breaker repair, frame upgrades, retrofit work, and replacement of failed or mismatched protective trip modules.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"592\" data-end=\"609\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"610\" data-end=\"940\"\u003eThe Siemens FD63T125 trip unit is commonly used in industrial and commercial electrical distribution systems including feeder protection panels, motor control centers, HVAC power distribution, manufacturing equipment, and facility electrical infrastructure where 125A circuit protection is required in FD-frame breaker assemblies.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"942\" data-end=\"971\" class=\"PDq2pG_selectionAnchorContainer\"\u003eTechnical Specifications:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"972\" data-end=\"1441\" class=\"\"\u003e• Manufacturer: Siemens\u003cbr data-start=\"995\" data-end=\"998\"\u003e• Model \/ Part number: FD63T125\u003cbr data-start=\"1029\" data-end=\"1032\"\u003e• Product type: Interchangeable trip unit\u003cbr data-start=\"1073\" data-end=\"1076\"\u003e• Frame compatibility: FD-frame circuit breakers\u003cbr data-start=\"1124\" data-end=\"1127\"\u003e• Poles: 3-pole\u003cbr data-start=\"1142\" data-end=\"1145\"\u003e• Rated current: 125A\u003cbr data-start=\"1166\" data-end=\"1169\"\u003e• Voltage rating: up to 600V AC\u003cbr data-start=\"1200\" data-end=\"1203\"\u003e• Trip type: Thermal-magnetic (long-time and instantaneous protection)\u003cbr data-start=\"1273\" data-end=\"1276\"\u003e• Function: Overload and short-circuit protection\u003cbr data-start=\"1325\" data-end=\"1328\"\u003e• Mounting: Plug-in trip unit for FD series breaker frame\u003cbr data-start=\"1385\" data-end=\"1388\"\u003e• Standards: UL 489 \/ IEC compliant FD-frame system\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1443\" data-end=\"1467\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1468\" data-end=\"1662\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Siemens FD63T125R equivalent trip unit (revision variant)\u003cbr data-start=\"1527\" data-end=\"1530\"\u003e• Siemens FD63T125L complete breaker assembly configuration\u003cbr data-start=\"1589\" data-end=\"1592\"\u003e• Eaton FD-frame equivalent 125A 3P interchangeable trip unit assembly\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727050211630,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_09d52708-7edd-4e66-a42a-47d2bb4d07c4.jpg?v=1770581486","url":"https:\/\/plgautomation.com\/products\/siemens-fd63t125-molded-case-circuit-breaker-trip-unit","provider":"PLG Automation ","version":"1.0","type":"link"}