{"product_id":"siemens-sirius-3ul23-residual-current-transformers","title":"Siemens SIRIUS 3UL23 Residual-Current Transformers (35-210 mm)","description":"\u003cp class=\"ps-intro\"\u003eSIRIUS 3UL23 residual-current transformers (type A) for residual current and ground fault monitoring with 3UG5625, 3UG5825 and SIMOCODE.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eDetects pure AC residual currents and AC with pulsating DC component (type A)\u003c\/li\u003e\n\u003cli\u003eFeed-through openings from 35 to 210 mm\u003c\/li\u003e\n\u003cli\u003eMeasurable current 0.03-40 A\u003c\/li\u003e\n\u003cli\u003eEssential accessory for 3UG5625, 3UG5825 and SIMOCODE 3UF75\/3UF76\/3UF80\u003c\/li\u003e\n\u003cli\u003e35 and 55 mm versions DIN-rail mountable with 3UL2900 adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct line\u003c\/th\u003e\n\u003ctd\u003eSIRIUS 3UL23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurable current\u003c\/th\u003e\n\u003ctd\u003e0.03 ... 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransformer type\u003c\/th\u003e\n\u003ctd\u003eType A (IEC TR 60755)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2302-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 35 mm | Terminal: 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2303-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 55 mm | Terminal: 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2304-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 80 mm | Terminal: 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2305-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 105 mm | Terminal: 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2306-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 140 mm | Terminal: 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2307-1A\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Residual-current transformer | Opening: 210 mm | Terminal: 4 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3UL2900\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: DIN-rail adapter for 3UL23 up to 55 mm | Opening: - | Terminal: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535295873314,"sku":"3UL2302-1A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sirius-3ul23-residual-current-transformers.jpg?v=1792150171","url":"https:\/\/prosourcemro.com\/products\/siemens-sirius-3ul23-residual-current-transformers","provider":"ProSource MRO","version":"1.0","type":"link"}