Indoor current transformerDetailed product description：

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

LFZBJ-12 indoor current transformer model meaning


Technical parameters of LFZBJ-12 indoor current transformer
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:

Rated primary 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	(KA)	(S)	(KA)
five	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	ten	ten	fifteen	fifteen	zero point four five	one	one point one five
ten		ten	ten	fifteen	fifteen	zero point nine	one	two point three
fifteen		ten	ten	fifteen	fifteen	one point three five	one	three point four four
twenty		ten	ten	fifteen	fifteen	one point eight	one	four point five nine
thirty		ten	ten	fifteen	fifteen	two point seven	one	six point eight nine
forty		ten	ten	fifteen	fifteen	three point six	one	nine point one eight
fifty		ten	ten	fifteen	fifteen	four point five	one	eleven point four eight
seventy-five		ten	ten	fifteen	fifteen	six point seven five	one	seventeen point two one
one hundred		ten	ten	fifteen	fifteen	nine	one	twenty-two point nine five
one hundred and fifty		ten	ten	fifteen	fifteen	thirteen point five	one	thirty-four point four three
two hundred		ten	ten	fifteen	fifteen	eighteen	one	forty-five point nine
three hundred		ten	ten	fifteen	fifteen	twenty-two point five	one	fifty-seven point three eight
four hundred		ten	ten	fifteen	fifteen	thirty	one	seventy-six point five
		ten	ten	fifteen	fifteen	thirty	one	seventy-six point five

LFZBJ-12 Indoor Current Transformer