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detailed introduce：LZZBJ9-12/175b/3(5)G current transformer
- Project description：
一、Description
The current transformers are casting resin and fully enclosed product. They are used for metering electric energy and current, relay protection in the electrical system up to rated frequency 50Hz or 60Hz and rated voltage lOkV. The transformer can be executed according to the standards IEC600 44 -1 and GB1208.
二、Type designation
三、ConstructionThis current transformer is fully enclosed and post type. It has a good ability of antipollution and moisturepmof. The outline of the product can be made according to three drawings. If being instal_led, the terminal screw must be fixed tightly. It have four 4 - M12 mounting holes in the bottom of casting body.
西、Technical data
l、rated insulation level：12/42/75kV；
2、rated secondary current：5A,1A;
3、Rated primary current, accuracy classes combination.rated output and rated dynamic current see the forml~3
4、The conditions of the partial discharge test accordingo GB 1208《currenl transformer》 will be fulfilled without exception;
5、pollution class: II class
6、metering class:0.2S,0.5S
