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The BH-0.66 IV current transformer is designed for indoor usage, specifically for AC circuits with a rated voltage of 0.66KV and below, and a rated frequency of 50Hz. It serves the purpose of measuring electric energy and current, as well as providing relay protection. This product is a plastic molded current transformer, widely utilized in various complete cabinet setups. It adheres to the standards of IEC60044-1, IEC61869-2, IEC61869-1, and GB1208-2006 for Current Transformers.
| Series | low voltage current transformer |
| Item Number | BH-0.66 |
| Rated Primary Current | 5A to 6300A |
| Rated Secondary Current | 5A, 1A |
| Rated Load | 2.5/5/10/20/40VA |
| Accuracy Class | 0.2S/ 0.5S/ 0.2/ 0.5/1.0 |
| Rated voltage | AC 0.66kV |
| Rated Frequency | 50/60Hz |
| Insulation Class | E |
| Casing Material | PC |
| Installation | busbar or floor mounting |
| Operating Temperature | -40℃ to +50℃ |
| Altitude | ≤ 3000m |
| Power Frequency Voltage Endurance | 3000V/1min |
| Operating humidity | ≤ 80% |
| Function | measurement of current and power; relay protection |
| Model | Ratio | Hole Dimensions | Rated Burden | Accuracy Class |
|---|---|---|---|---|
| BH-0.66 50x30IV | 400/5A～2000/5A | 50x30mm | 5～20VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 60x30IV | 600/5A～2500/5A | 60x30mm | 5～20VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 80x30IV | 600/5A～4000/5A | 80x30mm | 5～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 100x50IV | 1000/5A～5000/5A | 100x50mm | 5～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 130x50IV | 1000/5A～6300/5A | 130x50mm | 10～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 50x30IV | 400/1A～2000/1A | 50x30mm | 5～20VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 60x30IV | 600/1A～2500/1A | 60x30mm | 5～20VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 80x30IV | 600/1A～4000/1A | 80x30mm | 5～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 100x50IV | 1000/1A～5000/1A | 100x50mm | 5～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
| BH-0.66 130x50IV | 1000/1A～6300/1A | 130x50mm | 10～40VA | 1.0, 0.5, 0.2, 0.5S, 0.2S |
Window Size: according to the specification and number of busbars.
Rated Current Ratio: 1/3 larger than the measured primary current.
Rated Secondary Current: 5A or 1A. When the installation location of the instrument is far away from the current transformer or the loop load is large, please choose the secondary current of 1A.
Rated Burden: the measuring instrument is connected to terminals S1 and S2, and the total load of the connected circuit should not exceed the transformer’s rated load/burden.
Accuracy Class: for measurement—class 1.0, 0.5, 0.2, 0.5S, 0.2S; for protection—class 5P10, 5P20, 10P10, 10P20.
JEGO Electric – Manufacturing Current Transformer & Digital Panel Meter Since 2010
We will contact you within 1 working day, please pay attention to the email with the suffix “@jegoelec.com”.
