LZZBW-35B1(B2) series current transformersDetailed product description：

I. Overview
The LZZBW-35B1 (B2) series current transformer is made of advanced outdoor epoxy resin casting, and has the characteristics of high precision, high dynamic and thermal stability, resistance to pollution and moisture, and large surface creepage distance.
The LZZBW-35B2 series current transformer is suitable for current and energy measurement and relay protection in AC lines with rated frequency of 50, 60Hz, rated voltage of 35kV and below for outdoor devices.

2、 Structure Introduction
The primary and secondary coils of the LZZBW-35B1 (B2) series current transformer are in a chain structure. The measuring grade iron core is made of ultra microcrystalline alloy, and the protective grade iron core is made of high-quality silicon steel sheets rolled. The secondary wires are evenly wound on the iron core. The primary coil is made of high-quality soft copper strip or glass wire enameled wire.
3、 Applicable conditions (if you want to order a product that is applicable beyond the following scope, please consult with me to determine)
1. Equipment type: outdoor;
2. The altitude of the installation site shall not exceed 3000m;
3. Environmental temperature: -40 to+40 ℃;
4. Pollution level: Level III
5. There is no pollution, corrosive or explosive medium in the atmosphere that seriously affects the insulation performance of transformers.
4、 Technical data (if you want to order product technical data beyond the following range, please consult with me to determine)
1. The product complies with IEC and GB1208-97 "Current Transformers";
2. Rated insulation level: 40.5/95/200kV;
3. Rated frequency: 50, 60Hz;
4. Rated secondary current: 1A, 5A;
5. Load power factor: COS φ=0.8 (lag);
6. The product is allowed to operate for a long time at 120% of the rated current;

Technical Parameters Table of LZZBW-35B1 Current Transformer

Product Model	Rated primary current (A)	accuracy level combination	rated output (VA)	Rated short-time thermal current (kA/s)	Rated dynamic stable current (kA/s)
LZZBW-35B1	twenty	0.2/10P10 0.5/10P10 0.2/10P15 0.5/10P15	15/40 20/40 15/30 20/30	3/1	seven point five
	thirty			4.5/1	eleven point two five
	forty			6/1	fifteen
	fifty			7.5/1	eighteen point seven five
	seventy-five			11.25/1	twenty-eight
	one hundred			15/1	thirty-seven point five
	one hundred and fifty			22.5/1	fifty-seven
	two hundred			31.5/1	eighty
	three hundred			31.5/4
	four hundred	0.2/10P10 0.5/10P10 0.2/10P15 0.5/10P15	15/40 20/40 15/30 20/30	31.5/4	eighty
	five hundred
	six hundred
	seven hundred and fifty
	eight hundred	0.2/10P10 0.2/10P15 0.5/10P10 0.5/10P15	30/50 20/40 50/50 50/40
	one thousand
	one thousand and two hundred
	one thousand two hundred and fifty
	one thousand and five hundred	0.2/10P10 0.2/10P15 0.5/10P10 0.5/10P15	50/50	40/4	one hundred
	two thousand
	two thousand and five hundred

Technical Parameters Table of LZZBW-35B2 Current Transformer

Product Model	Rated primary current (A)	accuracy level combination	rated output (VA)	Rated short-time thermal current (kA/s)	Rated dynamic stable current (kA/s)
LZZBW-35B2	twenty	0.2/0.5/10P10/10P10 0.2/0.5/10P15/10P15	15/20/40/10 15/20/30/30	3/1	seven point five
	thirty			4.5/1	eleven point two five
	forty			6/1	fifteen
	fifty			7.5/1	eighteen point seven five
	seventy-five			11.25/1	twenty-eight
	one hundred			15/1	thirty-seven point five
	one hundred and fifty			22.5/1	fifty-seven
	two hundred			31.5/2	eighty
	three hundred			31.5/4
	four hundred
	five hundred
	six hundred
	seven hundred and fifty
	eight hundred
	one thousand	0.2/0.5/10P 10/10P10 0.2/0.5/10P 15/10P15	30/50/50/50 30/50/40/40	31.5/4	eighty
	one thousand and two hundred
	one thousand two hundred and fifty
	one thousand and five hundred	0.2/0.5/10P 10/10P10 0.2/0.5/10P 15/10P15	50/50/50/50	40/4	one hundred
	two thousand
	two thousand and five hundred

LZZBW-35B1 (B2) series current transformer