{"product_id":"square-d-qda221754-i-line-circuit-breaker-175a-2-pole-25kaic-thermal-magnetic-q-frame-240vac-i-line-mount","title":"Square D QDA221754 I-Line Circuit Breaker – 175A – 2 Pole – 25kAIC – Thermal Magnetic – Q-Frame – 240VAC – I-Line Mount","description":"\u003cp\u003eThe Square D QDA221754 is a molded case circuit breaker designed for industrial and commercial power distribution systems. Built on the Q-Frame platform, it provides reliable overcurrent protection with long-time and instantaneous (LI) trip functionality. It is specifically engineered for use in Square D I-Line panelboards and switchboards, offering plug-on installation and high interrupting capacity for demanding electrical environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eElectrical Ratings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent Rating: 175 A\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 208Y\/120 VAC, 240 VAC\u003c\/li\u003e\n\u003cli\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003ePhase: 1 Phase (2-pole configuration)\u003c\/li\u003e\n\u003cli\u003eInterrupting Rating: 25 kA @ 240 VAC, 25 kA @ 208Y\/120 VAC\u003c\/li\u003e\n\u003cli\u003eApplication: Industrial and commercial power distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eProtection and Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDevice Type: Molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003eTrip Technology: Thermal magnetic\u003c\/li\u003e\n\u003cli\u003eTrip Function: Long-time and instantaneous (LI)\u003c\/li\u003e\n\u003cli\u003eTrip Adjustability: Fixed thermal and fixed magnetic\u003c\/li\u003e\n\u003cli\u003eSafety Features:\n\u003cul\u003e\n\u003cli\u003eVisual trip indicator\u003c\/li\u003e\n\u003cli\u003eTrip-free mechanism\u003c\/li\u003e\n\u003cli\u003eQuick-make \/ quick-break operation\u003c\/li\u003e\n\u003cli\u003eCommon trip operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eConfiguration and Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: QDA\u003c\/li\u003e\n\u003cli\u003eModel: QDA221754\u003c\/li\u003e\n\u003cli\u003eFrame Type: Q-Frame\u003c\/li\u003e\n\u003cli\u003eMounting Style: I-Line plug-on\u003c\/li\u003e\n\u003cli\u003eConnection Type: Lug connection with BC phase configuration\u003c\/li\u003e\n\u003cli\u003eUsed With: Square D I-Line panelboards and switchboards\u003c\/li\u003e\n\u003cli\u003eSub-category: Panelboard circuit breaker\u003c\/li\u003e\n\u003cli\u003eApplication: Electrical power distribution protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eMechanical and Physical Characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact Q-frame molded case design\u003c\/li\u003e\n\u003cli\u003eWire Range: 4 AWG to 300 kcmil (Aluminum\/Copper)\u003c\/li\u003e\n\u003cli\u003eTerminal Type: Lugs\u003c\/li\u003e\n\u003cli\u003eDurable industrial-grade construction\u003c\/li\u003e\n\u003cli\u003eDesigned for fast plug-on installation in I-Line systems\u003c\/li\u003e\n\u003cli\u003eSuitable for retrofit and replacement of legacy Q-series breakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eStandards and Certifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 489 Listed\u003c\/li\u003e\n\u003cli\u003eCSA Certified\u003c\/li\u003e\n\u003cli\u003eIEC 60947-2 compliant\u003c\/li\u003e\n\u003cli\u003eNOM certified\u003c\/li\u003e\n\u003cli\u003eCE marked\u003c\/li\u003e\n\u003cli\u003eHACR rated\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48539495891193,"sku":"QDA221754","price":656.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/SchneiderElectric-Telemecanique_QBA221001_f07fd730-e4f4-4d8f-9af1-021583786933.jpg?v=1781673998","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-qda221754-i-line-circuit-breaker-175a-2-pole-25kaic-thermal-magnetic-q-frame-240vac-i-line-mount","provider":"My Circuit Breakers","version":"1.0","type":"link"}