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LZZBJ9-24/180b/2, LZZBJ9-24/180b/4 series of full enclosed dry type current transformer, which is indoor epoxy resin
casting insulation, encloses primary & secondary windings and annular core in the epoxy resin casting body.
It is widely used for measuring current, electric energy and relaying protection in the electrical system with the rated
voltage up to 17.5(24) kV, rated frequency 50HZ or 60HZ.
– Rated insulation level: 24/65/125kV
– Rated secondary current: 5A or 1A
– Power frequency withstand voltage: 17.5kV, 24kV
– Rated frequency: 50/60Hz
– Ambient temperature: -5°C ~+40°C
– Altitude : ≤1000m
-Standard: IEC 60044-1, GB1208-200
LZZBJ9-24/180b/2
| Rated transformer
Ratio(A) |
Secondary accuracy classes combination | Rated output
(VA) |
Measuring current’s instrument security factor | Protective current’s accuracy limit factor | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) | ||
| Measuring | Protective | |||||||
| 0.2(S) | 0.5 | 10P | ||||||
| 20-200/5 | 0.2（S）/0.2(S)
0.2(S)/0.5 0.2(S)/10P 0.5/10P |
10
15 |
15 | 15 | 5
(10) |
10
15 |
150I1n | 375I1n |
| 300/5 | 31.5 | 80 | ||||||
| 400/5 | 31.5 | 80 | ||||||
| 500/5 | 40 | 100 | ||||||
| 600/5 | 50 | 125 | ||||||
| 800/5 | 20 | 63 | 125 | |||||
| 1000/5 | 80 | 160 | ||||||
| 1250/5 | 80 | 160 | ||||||
LZZBJ9-24-180b/4
| Rated transformer
Ratio(A) |
Secondary accuracy classes combination | Rated output
(VA) |
FS | ALF | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) | ||
| Measuring | Protective | |||||||
| 0.2(S) | 0.5 | 10P | ||||||
| 15-30/5
20-40/5 ………. 500-1000/5 |
0.2S/0.5/10P
0.2/0.5/10P 0.5/0.5/10P 0.2S/10P/10P 0.2/10P/10P 0.5/10P/10P |
15 | 15 | 10
15 |
5
(10) |
10
15 20 |
100I1n | 250I1n |
| 600-1200/5 | 50 | 105 | ||||||
| 750-1500/5 | 63 | 130 | ||||||
| 800-1600/5 | 80 | 160 | ||||||
| 1000-2000/5 | 80 | 160 | ||||||
| 1250-2500/5 | 100 | 200 | ||||||
2.Three secondary double ratio
| Rated transformer
Ratio(A) |
Secondary accuracy classes combination | Rated output
(VA) |
FS | ALF | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) | ||
| Measuring | Protective | |||||||
| 0.2(S) | 0.5 | 10P | ||||||
| 15-300/5 | 0.2S/0.5/10P
0.2/0.5/10P 0.5/0.5/10P 0.2S/10P/10P 0.2/10P/10P 0.5/10P/10P |
15 | 15 | 15
20 |
5
(10) |
10
15 20 |
100I1n | 250I1n |
| 400/5 ~600/5 | 50 | 105 | ||||||
| 800-1000/5 | 63 | 130 | ||||||
| 1200/5 | 80 | 160 | ||||||
| 1500/5 | 80 | 160 | ||||||
| 2000/5 | 100 | 200 | ||||||
| 2500/5 | 125 | 200 | ||||||
Outline
Manufacturer of power transmission and distribution equipments.
We will contact you within 1 working day, please pay attention to the email with the suffix “@wolunele.com”.