{"product_id":"siemens-sentron-5sd74-combination-arresters-integrated-fuse","title":"Siemens SENTRON 5SD74 combination arresters, integrated back-up fuse","description":"\u003cp class=\"ps-intro\"\u003eSENTRON 5SD74 combination surge arresters with integrated back-up fuse for TN-S and TT systems, with matching N-PE module and connection bars.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eIntegrated back-up fuse saves a separate fuse\u003c\/li\u003e\n\u003cli\u003eL-N module 230 V AC and N-PE module, each 2 MW\u003c\/li\u003e\n\u003cli\u003eModular configuration for 1-phase and 3-phase systems\u003c\/li\u003e\n\u003cli\u003eConnection bars for 3-pole and 4-pole configurations\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 + type 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003ctd\u003eTN-S and TT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog LV 10 · 2026, p. 512-513\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\u003e5SD7441-1KF00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N | Un \/ Uc: 230 V AC \/ 255 V AC | Circuit: 1 + 0 | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7401-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: N-PE | Un \/ Uc: - | Circuit: N-PE | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7490-6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Connection bar | Protection paths: - | Un \/ Uc: - | Circuit: 1-phase, 3-pole | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7490-7\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Connection bar | Protection paths: - | Un \/ Uc: - | Circuit: 1-phase, 4-pole | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535327101218,"sku":"5SD7441-1KF00","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sentron-5sd74-combination-arresters-integrated-fuse.jpg?v=1792150078","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-5sd74-combination-arresters-integrated-fuse","provider":"ProSource MRO","version":"1.0","type":"link"}