一、 Description

    The current transformer of the type L227 -10CYW1 1s casting resin and fully enclosed product.  It is
used for metering electric energy and current, relay protection in the electrical system of rated frequency
50Hz or 60Hz and rated voltage lOkV. The transformers can be executed according to the standards
IEC60044 -1  and CB1208.

二、Type designation

三、 Construction

    This type of current transformer is fully enclosed and post type. It has a good ability of insulation,
moisture proof and antipollution especially being used in damp.

四、Technical data

    1、 rated insulated level：12/42/75kV
    2、rated secondary current：5A, 1A
    3、Rated primary current, accu-
racy classes combination, rated output, rated dynamic and Lhermal current see form)
    4、The conditions of the partial discharge test ac-
cording to GB1208<current transformer>will be fulrclled without exception