{"product_id":"siemens-sentron-5sd74-surge-arresters-type-2-standard","title":"Siemens SENTRON 5SD74 surge arresters, type 2 (standard design)","description":"\u003cp class=\"ps-intro\"\u003eSENTRON 5SD74 type 2 surge arresters in standard design for TN, TT and IT systems up to 554\/960 V AC, plus photovoltaic versions with fuse bases.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eType 2 surge arresters per IEC\/EN 61643-11\u003c\/li\u003e\n\u003cli\u003e1+0, 3+0 and 3+1 circuits, 1 to 4 MW\u003c\/li\u003e\n\u003cli\u003eVersions with and without remote signaling\u003c\/li\u003e\n\u003cli\u003eIT network versions up to 554\/960 V AC\u003c\/li\u003e\n\u003cli\u003ePhotovoltaic arresters with integrated fuse bases for 600\/1000 V DC\u003c\/li\u003e\n\u003cli\u003ePlug-in replaceable protection modules\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 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eIEC\/EN 61643-11\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. 518-519\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\u003e5SD7461-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN and TT | Protection paths: L-PEN and L-N | Un \/ Uc: 240\/415 V AC \/ 350 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 1 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7481-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-C and IT | Protection paths: L-PEN and L-N | Un \/ Uc: 400\/690 V AC \/ 800 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 2 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7463-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-C | Protection paths: L-PEN | Un \/ Uc: 240\/415 V AC \/ 350 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7473-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: IT | Protection paths: L-PEN and L-PE | Un \/ Uc: 400\/690 V AC \/ 580 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7483-5\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: IT | Protection paths: L-PEN and L-PE | Un \/ Uc: 554\/960 V AC \/ 760 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7464-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un \/ Uc: 240\/415 V AC \/ 350\/260 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 4 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7481-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN and TT | Protection paths: N-PE | Un \/ Uc: 240\/415 V AC \/ 260 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7461-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN and TT | Protection paths: L-PEN and L-N | Un \/ Uc: 240\/415 V AC \/ 350 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7463-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-C | Protection paths: L-PEN | Un \/ Uc: 240\/415 V AC \/ 350 V AC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: 3 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7464-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un \/ Uc: 240\/415 V AC \/ 350\/260 V AC | Circuit: 3 + 1 | Remote signaling: No | Mounting width: 4 MW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7483-0KK02\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un \/ Uc: - \/ 1000 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7483-0KK01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un \/ Uc: - \/ 600 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7488-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: N-PE | Un \/ Uc: - | Circuit: For 5SD7481-0, 5SD7464-0\/-1 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7468-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: L-N and L-PEN | Un \/ Uc: - | Circuit: For 5SD7461-0\/-1, 5SD7463-0\/-1, 5SD7464 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7488-2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: L-PEN | Un \/ Uc: - | Circuit: For 5SD7481-1 and 5SD7483-5 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7488-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: L-PEN | Un \/ Uc: - | Circuit: For 5SD7481-1 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7498-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: L-PE (PV) | Un \/ Uc: - | Circuit: For 5SD7483-0KK02 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7498-5\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: L-PE (PV) | Un \/ Uc: - | Circuit: For 5SD7483-0KK01 | Remote signaling: - | Mounting width: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535327265058,"sku":"5SD7461-1","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-2-standard.jpg?v=1792150078","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-5sd74-surge-arresters-type-2-standard","provider":"ProSource MRO","version":"1.0","type":"link"}