{"product_id":"siemens-sentron-5sd74-surge-arresters-type-1-ul","title":"Siemens SENTRON 5SD74 surge arresters, type 1 (UL 1449)","description":"\u003cp class=\"ps-intro\"\u003eSENTRON 5SD74 type 1 surge protective devices to ANSI UL 1449 and CSA C22.2 No. 269.1 for wye and delta systems up to 600 V AC (without CE marking).\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eUL 1449 \/ CSA approved, without CE marking\u003c\/li\u003e\n\u003cli\u003eFor wye (star) systems 277\/480 V and 347\/600 V and delta 480 V\u003c\/li\u003e\n\u003cli\u003eRated discharge current In 20 kA, Imax 50 kA (8\/20 us)\u003c\/li\u003e\n\u003cli\u003eShort-circuit strength 200 kA\u003c\/li\u003e\n\u003cli\u003eRemote signaling contact and visual status indication\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 SENTRON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e5SD74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSPD type\u003c\/th\u003e\n\u003ctd\u003eType 1 (UL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eANSI UL 1449; CSA C22.2 No. 269.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemote signaling\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDegree of protection\u003c\/th\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature range\u003c\/th\u003e\n\u003ctd\u003e-40 ... +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog LV 10 · 2026, p. 523\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\u003e5SD7413-1KU02\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNetwork: Wye (star) | Protection paths: L-G and L-L | Un L-N: - | Un L-G: 277 V AC | Un L-L: 480 V AC | Circuit: 3 + 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7414-1KU02\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNetwork: Wye (star) | Protection paths: L-N, L-G, L-L and N-G | Un L-N: 277 V AC | Un L-G: 277 V AC | Un L-L: 480 V AC | Circuit: 3 + 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7413-1KU03\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNetwork: Wye (star) | Protection paths: L-G and L-L | Un L-N: - | Un L-G: 347 V AC | Un L-L: 600 V AC | Circuit: 3 + 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7414-1KU03\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNetwork: Wye (star) | Protection paths: L-N, L-G, L-L and N-G | Un L-N: 347 V AC | Un L-G: 347 V AC | Un L-L: 600 V AC | Circuit: 3 + 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7413-1KU04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNetwork: Delta | Protection paths: L-G and L-L | Un L-N: - | Un L-G: 480 V AC | Un L-L: 480 V AC | Circuit: 3 + 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535327461666,"sku":"5SD7413-1KU02","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sentron-5sd74-surge-arresters-type-1-ul.jpg?v=1792150079","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-5sd74-surge-arresters-type-1-ul","provider":"ProSource MRO","version":"1.0","type":"link"}