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Catalog
TСBO-1,2
Highest voltage for equipment, Um, [kV]: 1,2;
Rated primary current, Ipn, [А]: 100 - 3000;
Accuracy classes of secondary windings: 0,2S; 0,2; 0,5S; 0,5; 1; 3; 5P; 10P;
Number of secondary windings: 1, 2;
Transformers comply with DSTU EN 61869-1:2017, DSTU EN 61869-2:2017, GOST 7746-2015.
- Parameter name Parameter value
- Highest voltage for equipment, Um, [kV] 1,2
- Rated primary current, Ipn, [А] 100; 125; 150; 200; 250; 300; 400; 500; 600; 750; 800; 1000; (1200; 1250; 1500; 1600; 2000; 2500; 3000)****
- Rated secondary current, Isn, [A] 1, 5*
- Rated frequency, Fn, [Hz] 50*, 60
- Accuracy class of winding for measurement 0,2S; 0,2; 0,5S; 0,5; 1; 3
- Accuracy class of winding for protection 5P; 10P
- Rated burden at соs φ = 0,8 - winding for measurement, [VA] 5; 10*; 15; 20; 30; (40 - 100)**
- Rated burden at соs φ = 0,8 - winding for protection, [VA] 5; 10; 15*; 20; 30; (40 - 50)**
- Instrument security factor, FS 2 - 40
- Accuracy limit factor, ALF 10 - 30
- Number of secondary windings 1*; 2
- Rated short-time thermal current - 1 sec, Ith, [A] *** 50 × Ipn
- Test voltage of the insulation of the secondary windings for 60 seconds, [kV] 3
- * Preferred values
- ** By prior arrangement
- *** Thermal resistance current at nominal load
- **** If Isn = 5 A
Instruction manual
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