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LZZBJ9-12150b2 Current Transformer

Instrument Transformers

LZZBJ9-12150b2 Current Transformer

The LZZBJ9-12/150B2 is a high-accuracy indoor current transformer designed for 12kV medium-voltage power systems. It delivers reliable current measurement and protection signal conversion for switchgear, metering cabinets, and distribution panels, making it an ideal choice for utility substations, industrial facilities, and commercial power installations.

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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)-10P10 Rated short-time thermal current (kA/s) Rated dynamic current (kA)
5 0.2S/10P10
0.2S/10P15
0.2/10P10
0.2/10P15
0.5/10P10
0.5/10P15		 10 10 15*,20 0.3 0.75
10 0.6 1.5
15 0.9 2.25
20 1.2 3
25 1.5 3.75
30 1.8 4.5
40 2.4 6
50 3 7.5
75 4.5 11.25
100 6 15
150 9 22.5
200 12 30
300 10*,15 18 45
400 24 60
500 30 75
600 36 90
800 48 120
1000 15*,30 60 130
1200 60 130

Overall Dimension Drawing