Description
Introduction:
The current instrument transformers BH-0.66(LMK-0.66).SDH are designed for electric power systems of 50/60Hz rated frequency and rated voltage 0.66kV. They are used for indoor mounting. The performances of the products meet standards IEC60044-1 and GB1208-2006. The products are used in metering electric energy, voltage controlling and relay protection applications.
Operating environment: 1. Installation site: indoor 2.Ambient temperature:-5°C-40°C 3.Ambient relative humidity:≤ 80% 4.Altitude ≤ 1000km 5.Air condition No serious pollution
1. Product model and window width
2. Rated current ratio
3. Rated output and corresponding accuracy class
e.g.: when ordering the transformer BH-0.66 I type, Window width is 30mm, rated current ratio is 200/5A, rated output is 5VA,
accuracy class is 0.5.
Order code is: BH-0.66 30 I 200/5A 1turn 5VA class 0.5
4. Please contact us if there is any special requirement
Specifications
| Rated frequency | 50/60Hz |
| Rated test voltage | 3Kv AC (1 min) |
| Rated short-time thermal current (Ith) | 60In |
| 60In Rated dynamic current (Idyn) | 2.5Ith |
| Rated voltage (Um) | 0.72Kv AC |
| Continuous overload (Id) | 1.2In |
| Operating temperature | .-10 degree to 50 degree |
| Housing self-extinguishing class | VO |
| Safety factor | FS 5 |
| Secondary current | 5A/1A |
Standard
IEC60044-1 GB1208-2006
|
Model
|
Ratio
|
Class: 0.5
|
Class: 1.0
|
|
BH-30
|
30/5A
|
–
|
1.5VA(2T)
|
|
50/5A
|
–
|
2.5VA(2T)
|
|
|
60/5A
|
–
|
2.5VA(2T)
|
|
|
100/5A
|
–
|
2.5VA
|
|
|
150/5A
|
–
|
3.75VA
|
|
|
200/5A
|
5VA
|
5VA
|
|
|
250/5A
|
5VA
|
7.5VA
|
|
|
300/5A
|
5VA
|
10VA
|
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