{"product_id":"brkr-qd-3-4-2p-120-240v-40a","title":"BRKR QD 3\/4 2P 120\/240V 40A","description":"\u003ch3 data-section-id=\"1idzntm\" data-start=\"34\" data-end=\"51\"\u003e🔌 What it is\u003c\/h3\u003e\n\u003cp data-start=\"52\" data-end=\"207\"\u003eThe \u003cstrong data-start=\"56\" data-end=\"64\"\u003eD240\u003c\/strong\u003e is a \u003cstrong data-start=\"70\" data-end=\"112\"\u003eSiemens 2-pole, 40-amp circuit breaker\u003c\/strong\u003e used in residential and light commercial load centers to protect \u003cstrong data-start=\"178\" data-end=\"206\"\u003e240-volt branch circuits\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"209\" data-end=\"281\"\u003eIt is part of Siemens’ \u003cstrong data-start=\"232\" data-end=\"280\"\u003eQP\/Type QP breaker family (plug-on breakers)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"283\" data-end=\"286\"\u003e\n\u003ch3 data-section-id=\"22pyni\" data-start=\"288\" data-end=\"315\"\u003e🧾 What the model means\u003c\/h3\u003e\n\u003cul data-start=\"316\" data-end=\"449\"\u003e\n\u003cli data-section-id=\"1lgvtiq\" data-start=\"316\" data-end=\"400\"\u003e\n\u003cstrong data-start=\"318\" data-end=\"323\"\u003eD\u003c\/strong\u003e → Siemens breaker series\/type designation (2-pole QP-style breaker family)\u003c\/li\u003e\n\u003cli data-section-id=\"lptjk\" data-start=\"401\" data-end=\"449\"\u003e\n\u003cstrong data-start=\"403\" data-end=\"410\"\u003e240\u003c\/strong\u003e → \u003cstrong data-start=\"413\" data-end=\"447\"\u003e40 amps, 2-pole (240V circuit)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"451\" data-end=\"454\"\u003e\n\u003ch3 data-section-id=\"1xn4pf1\" data-start=\"456\" data-end=\"474\"\u003e⚡ What it does\u003c\/h3\u003e\n\u003cp data-start=\"475\" data-end=\"488\"\u003eThis breaker:\u003c\/p\u003e\n\u003cul data-start=\"489\" data-end=\"780\"\u003e\n\u003cli data-section-id=\"w23rxz\" data-start=\"489\" data-end=\"546\"\u003eProvides \u003cstrong data-start=\"500\" data-end=\"526\"\u003eovercurrent protection\u003c\/strong\u003e for 240V circuits\u003c\/li\u003e\n\u003cli data-section-id=\"4nvbqp\" data-start=\"547\" data-end=\"600\"\u003eTrips on \u003cstrong data-start=\"558\" data-end=\"598\"\u003eoverload or short circuit conditions\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fedxxt\" data-start=\"601\" data-end=\"656\"\u003eUses \u003cstrong data-start=\"608\" data-end=\"635\"\u003etwo poles tied together\u003c\/strong\u003e for 240V operation\u003c\/li\u003e\n\u003cli data-section-id=\"1kgr9hr\" data-start=\"657\" data-end=\"704\"\u003eInstalls in compatible Siemens load centers\u003c\/li\u003e\n\u003cli data-section-id=\"jr79ri\" data-start=\"705\" data-end=\"780\"\u003eProtects loads like motors, HVAC, water heaters, and equipment circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"782\" data-end=\"861\"\u003eTypical applications include \u003cstrong data-start=\"811\" data-end=\"860\"\u003ededicated 240V loads requiring 40A protection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"863\" data-end=\"866\"\u003e\n\u003ch3 data-section-id=\"1a97u8\" data-start=\"868\" data-end=\"887\"\u003e🏠 Typical uses\u003c\/h3\u003e\n\u003cul data-start=\"888\" data-end=\"1057\"\u003e\n\u003cli data-section-id=\"w3agy\" data-start=\"888\" data-end=\"914\"\u003eElectric water heaters\u003c\/li\u003e\n\u003cli data-section-id=\"168jzym\" data-start=\"915\" data-end=\"934\"\u003eHVAC condensers\u003c\/li\u003e\n\u003cli data-section-id=\"1gid43a\" data-start=\"935\" data-end=\"954\"\u003eSmall subpanels\u003c\/li\u003e\n\u003cli data-section-id=\"15iu946\" data-start=\"955\" data-end=\"973\"\u003eShop equipment\u003c\/li\u003e\n\u003cli data-section-id=\"y0sk92\" data-start=\"974\" data-end=\"1057\"\u003eEVSE circuits (depending on charger rating, though 40A is common for 32A EVSEs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1059\" data-end=\"1062\"\u003e\n\u003ch3 data-section-id=\"1p3o9gl\" data-start=\"1064\" data-end=\"1089\"\u003e🧠 Simple explanation\u003c\/h3\u003e\n\u003cblockquote data-start=\"1090\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1092\" data-end=\"1204\"\u003eThis is a \u003cstrong data-start=\"1102\" data-end=\"1204\"\u003e40-amp double breaker that shuts off power if a 240V circuit draws too much current or shorts out.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"SIEMENS INDUSTRY, INC.","offers":[{"title":"Default Title","offer_id":52411459600673,"sku":"D240","price":36.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/download_7_b27d01f0-902c-41b5-8aee-ed9bfd6be7fe.jpg?v=1777658417","url":"https:\/\/standardvmi.com\/products\/brkr-qd-3-4-2p-120-240v-40a","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}