{"product_id":"westinghouse-5661d26g25-circuit-breaker-trip-unit-ships-fast","title":"Westinghouse 5661D26G25 Circuit Breaker Replacement Trip Unit","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"430\" data-start=\"15\"\u003eThe Westinghouse 5661D26G25 circuit breaker trip unit is a replacement protection module designed for molded case circuit breaker applications in commercial and industrial electrical distribution systems. Engineered to provide dependable breaker trip functionality, the unit supports reliable overcurrent protection and fault interruption performance in low-voltage power environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 90.2174%; height: 390.981px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eWestinghouse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eCircuit Breakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003e5661D26G25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eTrip Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eCircuit Breaker Trip Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eMolded Case Circuit Breakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eProtection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eOvercurrent Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eReplacement \/ Retrofit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.85px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eElectrical System Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eLow-Voltage Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eWestinghouse Circuit Breaker Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eMounting Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eInternal Breaker Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eIndustrial Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eCommercial and Industrial Power Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eProduct Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003eReplacement Protection Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.2936%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.4631%;\"\u003e2.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e5661D26G25\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"1183\" data-start=\"453\"\u003eThe 5661D26G25 is a Westinghouse circuit breaker trip unit developed for use in molded case circuit breaker systems requiring dependable overload and fault protection operation. Designed as a replacement trip mechanism, the unit supports breaker performance by monitoring current conditions and initiating breaker tripping during abnormal electrical events. The assembly is intended for industrial and commercial electrical distribution equipment where reliable circuit protection and breaker maintenance are critical for system continuity. Commonly used in retrofit and service applications, the trip unit integrates with compatible Westinghouse breaker configurations to restore or maintain operational protection functionality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-end=\"2007\" data-start=\"1201\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"2093\" data-start=\"1250\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1227\" data-end=\"1933\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1208\" data-end=\"1997\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1268\" data-end=\"2075\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1225\" data-end=\"1919\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1308\" data-end=\"2023\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1168\" data-end=\"1889\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1202\" data-end=\"1916\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1299\" data-end=\"2047\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1410\" data-end=\"2228\"\u003e\n\u003cli data-section-id=\"19zm4lx\" data-start=\"1410\" data-end=\"1522\"\u003eCircuit Breaker Trip Unit Design: Provides protective tripping functionality for molded case circuit breakers.\u003c\/li\u003e\n\u003cli data-section-id=\"16ras9p\" data-start=\"1523\" data-end=\"1633\"\u003eWestinghouse Breaker Compatibility: Engineered for integration with compatible Westinghouse breaker systems.\u003c\/li\u003e\n\u003cli data-section-id=\"rj5my0\" data-start=\"1634\" data-end=\"1735\"\u003eOvercurrent Protection Support: Assists with breaker response during overload and fault conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"fzbn95\" data-start=\"1736\" data-end=\"1833\"\u003eIndustrial Distribution Application: Suitable for commercial and industrial electrical systems.\u003c\/li\u003e\n\u003cli data-section-id=\"maxvz\" data-start=\"1834\" data-end=\"1926\"\u003eReplacement Protection Module: Intended for maintenance and retrofit breaker applications.\u003c\/li\u003e\n\u003cli data-section-id=\"11uk7eo\" data-start=\"1927\" data-end=\"2021\"\u003eLow-Voltage System Use: Designed for electrical distribution and power protection equipment.\u003c\/li\u003e\n\u003cli data-section-id=\"chg0tc\" data-start=\"2022\" data-end=\"2126\"\u003eDurable Internal Construction: Built for dependable operational performance in demanding environments.\u003c\/li\u003e\n\u003cli data-section-id=\"iiv6wy\" data-start=\"2127\" data-end=\"2228\"\u003eBreaker Maintenance Integration: Supports restoration and servicing of existing breaker assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2230\" data-end=\"2365\"\u003eThe 5661D26G25 delivers the reliability and precision required for circuit breaker protection and electrical distribution applications.\u003c\/p\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":51545473941802,"sku":"5661D26G25","price":1067.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_d6a353c0-3612-4351-a7de-bd4e019413f3.webp?v=1778922212","url":"https:\/\/iqelectro.com\/products\/westinghouse-5661d26g25-circuit-breaker-trip-unit-ships-fast","provider":"IQElectro","version":"1.0","type":"link"}