LZZBJ-12 series indoor current transformerDetailed product description：

LZZBJ-12 series indoor current transformers are used for energy metering, current measurement and monitoring, and relay protection in power systems operating at 50Hz, 10KV and below.
The LZZBJ-12 series indoor current transformer adopts a fully enclosed pillar structure and is insulated with epoxy resin casting.
The external insulation creepage distance meets the requirements of Class II pollution level.
The product complies with the GB1208-97 standard for current transformers.

LZZBJ-12 series indoor current transformer model meaning


Technical parameters of LZZBJ-12 series indoor current transformer products
Rated secondary current: 5A
Rated insulation level: 12/42/75kV
Load power factor: COS φ=0.8 (lagging)
Partial discharge level: ≤ 20PC
Instrument security factor: ≤ 10
Rated primary current, accuracy level combination and rated output, short-time thermoelectric current rating:

Fixed current (A)	accuracy level combination	Rated load at the corresponding accuracy level (VA)					Rated short-time thermal current and duration		Rated dynamic stable current
		zero point two	0.5S	zero point five	10P10	10P15	(KA)	(S)	(KA)
twenty	0.2/0.2 0.2/0.5 0.5S/0.5 0.5/0.5 0.2/10P10 0.5/10P10 0.5S/10P10 02./10P15 0.5/10P15 0.5S/10P15	ten	ten	fifteen	fifteen	fifteen	one point eight	one	four point five
thirty		ten	ten	fifteen	fifteen	fifteen	two point seven	one	six point seven five
forty		ten	ten	fifteen	fifteen	fifteen	three point six	one	nine
fifty		ten	ten	fifteen	fifteen	fifteen	four point five	one	eleven point five
seventy-five		ten	ten	fifteen	fifteen	fifteen	six point seven five	one	sixteen point eight eight
one hundred		ten	ten	fifteen	fifteen	fifteen	nine	one	twenty-two point five
one hundred and fifty		ten	ten	fifteen	fifteen	fifteen	thirteen point five	one	thirty-three point seven five
two hundred		ten	ten	fifteen	fifteen	fifteen	eighteen	one	forty-five
three hundred		ten	ten	fifteen	fifteen	fifteen	twenty-two point five	one	fifty-six point two five
400-600		ten	ten	fifteen	fifteen	fifteen	thirty	one	seventy-five
eight hundred		ten	ten	fifteen	fifteen	fifteen	forty	one	one hundred
one thousand		ten	ten	fifteen	fifteen	fifteen	fifty	one	one hundred and twenty-five

LZZBJ-12 series indoor current transformer