{"product_id":"siemens-sentron-sem3-multichannel-current-measuring","title":"Siemens SENTRON SEM3 Multichannel Current Measuring System","description":"\u003cp class=\"ps-intro\"\u003eThe SEM3 multichannel current measuring system combines a data manager, plug-in metering modules on meter racks and current transformers for submetering many circuits.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eData manager with Modbus TCP and RS485 Modbus RTU, screw mounting\u003c\/li\u003e\n\u003cli\u003eMetering modules with 0.2% or 1% accuracy including the current transformer, phase set by slide switch\u003c\/li\u003e\n\u003cli\u003eMeter racks for 3, 9, 15 or 21 metering modules with 600 V insulated connecting cables\u003c\/li\u003e\n\u003cli\u003eStandard CTs 50-1200 A and folding CTs 50-2000 A, 100 mA output, 1.82 m cable extendable to 100 m\u003c\/li\u003e\n\u003cli\u003eMax. input voltage 480\/277 V AC 50\/60 Hz\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 line\u003c\/th\u003e\n\u003ctd\u003eSENTRON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003ctd\u003eSEM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. input voltage\u003c\/th\u003e\n\u003ctd\u003e480 V\/277 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCT output signal\u003c\/th\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransformer configuration\u003c\/th\u003e\n\u003ctd\u003eIn the data manager\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog LV 10 · 2026, p. 840-841\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\u003eUS2:SEM3CONTROLLER\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Data manager | Details: Modbus TCP + RS485 Modbus RTU, 3-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3PHAMETER\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Metering module | Details: Accuracy 0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3PLAMETER\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Metering module | Details: Accuracy 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3RACK3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Meter rack | Details: For 3 metering modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3RACK9\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Meter rack | Details: For 9 metering modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3RACK15\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Meter rack | Details: For 15 metering modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3RACK21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Meter rack | Details: For 21 metering modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3CAB12INCH\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Connecting cable | Details: 0.3 m, 600 V insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3CAB24INCH\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Connecting cable | Details: 0.6 m, 600 V insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3CAB36INCH\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Connecting cable | Details: 0.9 m, 600 V insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT50\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 50 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT125\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 125 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT250\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 250 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT400\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 400 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT600\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 600 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT800\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 800 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3SCCT1200\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Standard current transformer | Details: 1200 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA00\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 50 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA01\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 125 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA02\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 250 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA03\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 400 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA04\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 600 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA05\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 800 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA06\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 1200 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA07\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 1600 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7KT1280-5MA08\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: Folding transformer | Details: 2000 : 0.1 A, 100 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS2:SEM3DINKIT\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eComponent: DIN-rail adapter kit | Details: 5 adapters (data manager + racks)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67535331164450,"sku":"US2:SEM3CONTROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-sentron-sem3-multichannel-current-measuring.jpg?v=1792150051","url":"https:\/\/prosourcemro.com\/products\/siemens-sentron-sem3-multichannel-current-measuring","provider":"ProSource MRO","version":"1.0","type":"link"}