LZZBW-36W3 current transformers(CT), adopts outdoor epoxy resin casting and belongs to support type full-closed structure,can be made four secondary windings, each winding can be tapped to realize three ratios with large external insulation creep distance, withstanding dirtiness and ultraviolet radiation
Suitable for matching with 36kV (Up to 40.5kV) outdoor for measuring electric energy, current and protective relaying
Main technical parameter
1. Rated voltage: 30 kV or 33 kV or 34.5kV or 35kV etc
2. Rated secondary current: 5A or 1A
3. Rated insulation level: 36/70/170 kV (40.5/95/200 kV)
4. Standards: IEC60044-1.2003 Part 1: Instrument transformers-Part1: Current transformers or IEC68869-1&2
5. Other technical parameter pls see as follow:
Rated current 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 |
| 50-75-100/5 | 0.2S/0.5/10P
0.2/0.5/10P
0.2/0.5/10P/10P
0.2S/0.5/10P/10P | 20
25 | 25 | 30
50 | 5
(10) | 10
15
20 | 150I1n | 375I1n |
| 75-100-150/5 | 22.5 | 80 |
| 100-200-300/5 | 31.5 | 100 |
| 200-300-600/5 | 45 | 100 |
| 200-400-600/5 | 45 | 100 |
| 300-400-600/5 | 63 | 130 |
| 400-600-800/5 | 63 | 130 |
| 500-800-1000/5 | 80 | 160 |
| 600-800-1000/5 | 80 | 160 |
| 1000-1250-1600/5 | 100 | 160 |
| 1000-1500-2000/5 | 100 | 160 |
Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline drawing 
Work with us, a CT and relay assembly solutions provider that GE and Itron trustCE-, TÜ V- and RoHS-marked ISO 9001: 2008-certified, KEMA
Offering a Wide Range of Products
Shenzhen Chuangyin is a national high-tech enterprise. We are specialized in R&D, production and sales of kinds split core current transformers, Rogowski coils, energy meter components (CT and relay), medium voltage current transformers, potential transformers, low voltage current transformers and switchgear components.
Passed CE, TUV, ISO and RoHS standards
We have a head office in Shenzhen High-tech Park and two subsidiary production bases named Jiangxi Chuangyin (20, 000 square meters) and Zhuhai Chuangyin (10, 000 square meters). We offer a wide product range such as all kinds of current transformers from mini CT to medium voltage CT, and from solid core CT to split core CT. We are a key supplier of energy meter, switchgear and utility companies for more than 10 years. We are the only company who make current transformer and relay together, and provide good solution for smart meters. Our experienced engineers have good knowledge in energy meters and switchgears. Furthermore, we have certificates such as CE, RoHS and ISO from TUV.
Contact us today to know more.
Thank you for your attention and support. Chuang Yin will stay with you to create a better future.
