{"product_id":"siemens-sentron-4nc-bushing-current-transformers","title":"Siemens 4NC Bushing-Type Current Transformers (50-3000 A)","description":"\u003cp class=\"ps-intro\"\u003eSiemens 4NC 1-phase bushing-type current transformers for measurement purposes with 5 A or 1 A secondary, in accuracy classes 0.2s, 0.5 and 1.0.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003ePrimary currents from 50 A to 3000 A in sizes 1 to 5 (inner diameter 19 to 41 mm)\u003c\/li\u003e\n\u003cli\u003eSecondary rated current 5 A or 1 A\u003c\/li\u003e\n\u003cli\u003eAccuracy classes 0.2s, 0.5 and 1.0; overcurrent limiting factor FS5\u003c\/li\u003e\n\u003cli\u003eMaximum voltage for equipment Um = 720 V (rms)\u003c\/li\u003e\n\u003cli\u003eOptional DIN-rail mounting adapters per transformer size\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\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e4NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003ctd\u003e1-phase bushing type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurpose\u003c\/th\u003e\n\u003ctd\u003eMeasurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOvercurrent limiting factor\u003c\/th\u003e\n\u003ctd\u003eFS5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. voltage for equipment\u003c\/th\u003e\n\u003ctd\u003eUm = 720 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog LV 10 · 2026, p. 846-847\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\u003e4NC5121-2FA21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 150 A | Secondary current: 5 A | Rated power: 1 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5122-2FC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 200 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5123-2FC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 250 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5124-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 300 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5125-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 400 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5126-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 500 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5227-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 5 | Inner diameter: 26 mm | Primary current: 600 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5228-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 5 | Inner diameter: 26 mm | Primary current: 700 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5231-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 5 | Inner diameter: 26 mm | Primary current: 800 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5232-2FE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 5 | Inner diameter: 26 mm | Primary current: 1000 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5117-2DA21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 100 A | Secondary current: 5 A | Rated power: 1 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5117-0DA21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 100 A | Secondary current: 1 A | Rated power: 1 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5121-2DC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 150 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5121-0DC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 150 A | Secondary current: 1 A | Rated power: 2.5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5122-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 200 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5122-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 200 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5123-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 250 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5123-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 250 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5222-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 200 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5222-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 200 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5223-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 250 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5223-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 250 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5224-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 300 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5224-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 300 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5225-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 400 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5225-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 400 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5325-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 400 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5325-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 400 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5326-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 500 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5326-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 500 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5327-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 600 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5327-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 600 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5330-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 750 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5330-0DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 750 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5331-2DE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 800 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5431-2DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 800 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5431-0DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 800 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5432-2DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1000 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5432-0DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1000 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5433-2DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1200 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5433-0DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1200 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5435-2DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1500 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5435-0DH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1500 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5436-2DK21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1600 A | Secondary current: 5 A | Rated power: 15 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5438-2DL21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 2000 A | Secondary current: 5 A | Rated power: 20 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5440-2DM21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 2500 A | Secondary current: 5 A | Rated power: 25 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5441-2DN21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 3000 A | Secondary current: 5 A | Rated power: 30 VA | Accuracy class: 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5112-2CB21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 50 A | Secondary current: 5 A | Rated power: 1.2 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5112-0CB21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 50 A | Secondary current: 1 A | Rated power: 1.2 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5113-2CB21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 60 A | Secondary current: 5 A | Rated power: 1.2 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5113-0CB21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 60 A | Secondary current: 1 A | Rated power: 1.2 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5115-2CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 75 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5115-0CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 75 A | Secondary current: 1 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5117-2CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 100 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5117-0CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 100 A | Secondary current: 1 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5121-2CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 150 A | Secondary current: 5 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5121-0CC21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 150 A | Secondary current: 1 A | Rated power: 2.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5122-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 200 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5122-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 200 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5123-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 250 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5123-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 1 | Inner diameter: 19 mm | Primary current: 250 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5222-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 200 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5222-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 200 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5223-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 250 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5223-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 250 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5224-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 300 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5224-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 300 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5225-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 400 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5225-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 2 | Inner diameter: 28 mm | Primary current: 400 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5325-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 400 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5325-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 400 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5326-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 500 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5326-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 500 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5327-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 600 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5327-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 600 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5330-2CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 750 A | Secondary current: 5 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5330-0CE21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 3 | Inner diameter: 36 mm | Primary current: 750 A | Secondary current: 1 A | Rated power: 5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5431-2CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 800 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5431-0CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 800 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5432-2CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1000 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5432-0CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1000 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5434-2CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1250 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5434-0CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1250 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5435-2CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1500 A | Secondary current: 5 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5435-0CH21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 1500 A | Secondary current: 1 A | Rated power: 10 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5438-2CJ21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 2000 A | Secondary current: 5 A | Rated power: 12.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5438-0CJ21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 2000 A | Secondary current: 1 A | Rated power: 12.5 VA | Accuracy class: 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4NC5440-2CJ21\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSize: 4 | Inner diameter: 41 mm | Primary current: 2500 A | Secondary current: 5 A | Rated power: 12.5 VA | Accuracy class: 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