LZZBJ8-35W1B type current transformerDetailed product description：

LZZBJ8-35W1B current transformer is suitable for precise electrical measurement and relay protection in power systems with an altitude of 1000m and below, a rated frequency of 50Hz, and a maximum operating voltage of 40.5kV and below.
Environmental temperature: The normal type is+40 ℃~-15 ℃; The plateau type ranges from+25 ℃ to -15 ℃.
Environmental humidity: The daily average relative humidity should not exceed 95%, and the monthly average should not exceed 90%; The daily average saturated vapor pressure shall not exceed 2.2 × 10-3MPa, and the monthly average shall not exceed 1.8 × 10-3MPa.
Product type: Indoor.
Atmospheric conditions: There is no pollution or explosive medium in the installation site that seriously affects the insulation of the transformer.
The installation site has no severe vibrations or bumps.
Open circuit is not allowed during product operation, otherwise there is a high voltage hazard.
The temperature during transportation and storage ranges from+40 ℃ to -15 ℃.
When using the product, the equipotential lead wire should be reliably connected to the high-voltage bus.

Technical parameters of LZZBJ8-35W1B current transformer

Product execution standard: GB1208-1997 "Current Transformers".
Rated insulation level: 40.5/95/185kV.
Rated secondary current: 5A and 1A.
Instrument security factor: 0.2S level FS ≤ 5; Level 0.2 and 0.5 FS ≤ 10.
Insulation and heat resistance grade: Grade E.
Secondary structure: two coils, three coils, four coils.
The rated secondary lower limit load is 25% of the rated secondary load.
The rated primary current value, rated secondary load, accurate limit coefficient, rated short-time current value, level combination, and weight are listed in the following table. Please consult with the manufacturer for special specification products.

Rated primary current (A)

Rated secondary load (VA) COS ∧=0.8

5P, 10P accurate limit coefficient

1S short Time heat current （KA）

rated Dynamic stability Constant current (KA)

0.2S

zero point two

zero point five

5P、10P

5P

10P

1A

5A

1A

5A

1A

5A

1A

5A

1A

5A

1A

5A

twenty

ten

ten

ten

ten

fifteen

fifteen

fifteen

fifteen

fifteen The twenty

fifteen

fifteen The twenty

200I1n /1S

500I1n

thirty

forty

fifty

seventy-five

one hundred

one hundred and fifty

31.5KA /1S

eighty

two hundred

three hundred

31.5kA/2S

eighty

four hundred

31.5kA /4S

one hundred and thirty

five hundred

six hundred

fifteen

ten

fifteen

ten

thirty

15\20

seven hundred and fifty

twenty

twenty

twenty

twenty

one thousand

twenty

twenty

one thousand two hundred and fifty

thirty

20. 30

one thousand and five hundred

thirty

thirty

forty

thirty

40kA /4S

one hundred and thirty

LZZBJ8-35W1B type current transformer