Overview

Multi-ratio MV Current Transformer LZZBJ9-12-175B-4

LZZBJ9-12-175b-4 type current transformer is suitable for power systems with rated frequency of 50Hz or 60Hz and rated voltage of 10kV for energy measurement, current measurement and protection.

Installation location: indoors.
Ambient temperature: maximum temperature 40℃; minimum temperature -5℃; daily average temperature does not exceed 30℃.

Atmospheric conditions: There is no serious pollution in the atmosphere.

This series of current transformers is a fully enclosed structure cast by epoxy resin and has excellent insulation properties and moisture-proof capabilities. The product is compact, small in size, light in weight and easy to clean on the surface. The secondary outlet terminal is equipped with a terminal box, which is safe and reliable. There are grounding bolts and six mounting holes for installation on the bottom plate of the product.

Product Details

Model	Rated primary current	Rated secondary current	Accuracy class	Burden	Short time thermal current	Dynamically stable current	Rated insulation level
Model	A	A		VA	kA/s	kA/s	KV
LZZBJ9-12/175B/4	5	5A 1A	0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	10/10/20 10/10/15 10/10/15 10/15/15 10/15/15	0.6	1.5	12/42/75
	10				1.2	3
	15				1.8	4.5
	20				2.4	6
	30				3.6	9
	40				4.8	12
	50				6	15
	75				9	22.5
	100				12	30
	150				18	45
	200				21	52.5
	300		0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	10/10/20 10/10/20 10/15/15 10/15/20 15/15/15	24.5	61.25
	400				32	80
	500				32	80
	600		0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	10/10/20 10/10/15 10/10/15 10/15/15 15/15/15	32	125
	800			10/10/20 10/10/15 10/10/15 10/15/15 15/15/15	50	125
	1000		0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	10/10/30 15/15/20 15/20/20 10/15/15 15/15/20	50	125
	1200				50	125
	1250				50	125
	1500				63	157.5
	2000				63	157.5
	2500		0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	15/15/30 15/15/20 15/20/20 15/15/20 15/20/15	63	157.5
	3000		0.2/0.2/5P10 0.2/0.5/5P15 0.2/0.5/5P20 0.2/5P10/10P15 0.5/5P10/10P20	15/15/30 15/15/20 15/30/20 15/15/20 15/20/15	63	157.5
	3150			15/15/30 15/15/20 15/30/20 15/15/20 15/20/15	63	157.5