{"product_id":"siemens-sentron-5sd74-surge-arresters-type-2-narrow","title":"Siemens SENTRON 5SD74 surge arresters, type 2 (narrow design)","description":"\u003cp class=\"ps-intro\"\u003eSpace-saving SENTRON 5SD74 type 2 surge arresters in narrow design for TN-S and TT systems.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eNarrow design: 24 mm for 1+1, 48 mm for 3+1\u003c\/li\u003e\n\u003cli\u003eFor TN-S and TT systems 240 V AC and 240\/415 V AC\u003c\/li\u003e\n\u003cli\u003eVersions with and without remote signaling\u003c\/li\u003e\n\u003cli\u003eReplaceable spare part plugs\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\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. 520-521\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\u003e5SD7422-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N and N-PE | Un \/ Uc: 240 V AC \/ 350\/264 V AC | Circuit: 1 + 1 | Remote signaling: Yes | Mounting width: 24 mm (1 1\/3 MW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7424-1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N and N-PE | Un \/ Uc: 240\/415 V AC \/ 350\/264 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 48 mm (2 2\/3 MW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7422-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N and N-PE | Un \/ Uc: 240 V AC \/ 350\/264 V AC | Circuit: 1 + 1 | Remote signaling: No | Mounting width: 24 mm (1 1\/3 MW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7424-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: TN-S and TT | Protection paths: L-N and N-PE | Un \/ Uc: 240\/415 V AC \/ 350\/264 V AC | Circuit: 3 + 1 | Remote signaling: No | Mounting width: 48 mm (2 2\/3 MW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5SD7428-0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem: Spare part plug | Protection paths: N-PE | Un \/ Uc: - | Circuit: For 5SD7422-0\/-1, 5SD7424-0\/-1 | 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":67535327330594,"sku":"5SD7422-1","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-narrow.jpg?v=1792150078","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-5sd74-surge-arresters-type-2-narrow","provider":"ProSource MRO","version":"1.0","type":"link"}