The meaning of LDZBJ10-12G current transformer model:


Working conditions and environmental temperature:
-25C --+40C， Daily average not exceeding 30 ° C
Altitude not exceeding 2500m
4. Rated values and performance requirements
4.1 Rated voltage of 12 kV.
4.2 Rated frequency 50-60HZ.
4.3 Rated primary current: 200:400:600A.
4.4 Rated secondary current: 5A.
4.5 Rated secondary load: 15VA COS with a diameter of 0.8.
4.6 Accuracy level: 10P
4.7 Accuracy level limit coefficient: 10.
4.8 Short time current rating
4.8.1 Rated short-time thermal current
The secondary coil of the transformer is short circuited, and the primary coil should be able to withstand a thermal current of 30KA for 1 second
4.8.2 Rated dynamic stable current
The secondary coil of the transformer should be able to withstand the rated dynamic stable current when short circuited
4.9 Temperature rise
The insulation level of the transformer is Class E. When operating for a long time under rated secondary load and rated primary current, the temperature rise of the primary and secondary windings shall not exceed 75K.

LDZBJ10-12G current transformer