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Instrument Transformers

LZZBJ9-10A1G Current Transformer

The LZZBJ9-10A1G is a high-performance indoor current transformer engineered for 10kV medium-voltage switchgear and distribution networks. It delivers accurate current measurement and dependable protection signal conversion, making it an ideal choice for utility substations, industrial plants, and commercial power facilities.

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Model and Meaning

Technical Parameters

Rated primary current (A) Accuracy classes combination Rated secondary output (VA)-0.2S(0.2) Rated secondary output (VA)-0.5S(0.5) Rated secondary output (VA)-10P15 Rated short-time thermal current (kA/s) Rated dynamic current (kA)
10 0.2S/10P15
0.5S/10P15
0.2/10P15
0.5/10P15
10 15 15 0.6 1.5
15 10 15 15 0.9 2.25
20 10 15 15 1.2 3
25 10 15 15 1.5 3.75
30 10 15 15 1.8 4.5
40 10 15 15 2.4 6
50 10 15 15 3 7.5
75 10 15 15 4.5 11.25
100 10 15 15 6 15
150 10 15 15 9 22.5
200 10 15 15 12 30
300 10 15 15 18 45
400 10 15 20 24 60
500 10 15 20 30 75
600 10 15 20 36 90
800 10 15 20 48 120
1000 10 15 20 60 130
1200 15 20 30 60 130
1500 15 20 30 60 130
2000 15 20 30 80 160
2500 15 20 30 80 160
3000 15 20 30 80 160

Overall Dimension Drawing