specifications are subject to change without notice (26.10.99) 1 cable/bus-bar type current transformer din-rail, bus-bar and panel mounting facility tad4: class 0.5, currents from 200 to 800 a tad 6: class 0.5, currents from 400 to 2000 a product description model primary current secondary current ordering key tad4 200a 5a cable/bus-bar type current transformer with din-rail/bus- bar and panel mounting facili- ty. rated primary currents from 100 a to 2000 a. current and voltage controls current transformer, 1-phase ac type tad 4, tad 6 type selection primary current refer to range table model tad4: cable diameter: max. 32 mm bus-bar size: 32 x 16 mm 41 x 11 mm tad6: cable diameter: max. 52 mm bus-bar size: 55 x 22 mm 65 x 20 mm rated secondary current 5 a standard 1 a on request output specifications input specifications operating frequency 40 to 60 hz max. system voltage 0.72 kv rated insulation level 3 kv / 1 min. @ 50 hz short-time current rating i th typical 100 i n / 1 s i dyn 2.5 i th the short-time thermal cur- rent i th is anyway limited by the cable/bus-bar size extended current rating 120% security factor (fs) 5 standards according to iec 60185 housing abs, self-extinguishing: ul 94 v-0 mounting din-rail 46277/bus-bar and panel mounting (brackets supplied with the ct) standard accessories screws + washers for secondary terminals brackets for panel mounting screws for cable/bus-bar mounting sealable terminal block cover special features 1 a secondary current double ratio obtained on the secondary tropicalization cable diameters tad 4: max. 32 mm tad 6: max. 52 mm bus-bar size tad 4: 32 x 16 mm or 41 x11 mm tad 6: 55 x 22 mm or 65 x 20 mm general specifications tad4 tad6 .com .com .com 4 .com u datasheet
2 specifications are subject to change without notice (26.10.99) dimensions wiring diagram range table rated rated secondary current 1 a/5 a primary class 0.5 1) class 1 1) current burden burden 100 a -3 va 150 a -3 va 200 a 4 va - 250 a 6 va - 300 a 6 va - 400 a 10 va - 500 a 10 va - 600 a 10 va - 800 a 10 va - 1) the accuracy class is depending on the burden output. for the same rated primary current, the higher the burden the lower the class (class down-grade). rated rated secondary current 1 a/5 a primary class 0.5 1) class 1 1) current burden burden 400 a 6 va 12 va 500 a 6 va 12 va 600 a 10 va 20 va 800 a 10 va 20 va 1000 a 20 va 40 va 1200 a 20 va 40 va 1500 a 30 va 60 va 2000 a 30 va 60 va tad 4: tad 6: tad 4, tad 6 output (secondary) l n tad4 tad6 44 44 standard accessories - sealable plastic cover for terminal block - brackets for panel mount- ing .com .com .com 4 .com u datasheet
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