Ningbo Tianan (Group) Co.,Ltd.
| Supply Ability | 20000sets /year |
| Delivery Time | 50 work days |
| Packaging Details | Nude |
| Voltage | 12KV |
| Rated voltage of LV side | :0.27kV, 0.3kV, 0.315kV, 0.4kV |
| Connecting symbol | Dyn11 /Yn11/yd11d11 |
| phases | three |
| Insulation class | A class |
| HV tapping range | +5% or + 2x2.5% |
| cable | 0.27-0.4KV |
| Brand Name | TIANAN |
| Model Number | ZGS-Z. G-/11 |
| Certification | ISO9001-2000, ISO9001, CCC |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 20000sets /year | Delivery Time | 50 work days |
| Packaging Details | Nude | Voltage | 12KV |
| Rated voltage of LV side | :0.27kV, 0.3kV, 0.315kV, 0.4kV | Connecting symbol | Dyn11 /Yn11/yd11d11 |
| phases | three | Insulation class | A class |
| HV tapping range | +5% or + 2x2.5% | cable | 0.27-0.4KV |
| Brand Name | TIANAN | Model Number | ZGS-Z. G-/11 |
| Certification | ISO9001-2000, ISO9001, CCC | Place of Origin | CHINA |
| High Light | oil immersed distribution transformer ，packaged transformer substation | ||
S/N |
Name | Unit | Parameter | ||
| 1 | Rated voltage | KV | 12 | ||
| 2 | Rated current | A | 315 | 630 | |
| 3 | Rated frequency | Hz | 50 | ||
| 4 | Rated short-circuit withstand current | kA/2s | 12.5 | 20 | |
| 5 | Rated peak withstand current | kA | 31.5 | 50 | |
| 6 | Mechanical endurance | times | >2000 | ||
| 7 | 1 min power withstand voltage (phase-to-phase, phase-to-earth) | kV | 42 | ||
| 8 | Lightning impulse level (phase-to-phase, phase-to-earth) | KV | 75 | ||
Parameter of 11kV fuse
Table 2
| Rated voltage | Fuse rated current A | Rated Max. breaking current kA | Remark |
| 15.5 | 63, 80,100,125,150 | 50 | off lineback-up type |
| 15.5 | 6.3,10,16,25,40,63,100,140 | 2.5 | Plug -in |
Parameter of lightning arrester
Table 3
| Rated voltage | Continuous operating voltage | DC reference voltage (1mA) | Nominal discharging current | Nominal discharging current residual | 2ms square-wave current withstand value |
| 17kV | 13.6kV | ≥24kV | 5kA(peak value) | ≤45kV (peak value) | ≥250A(peak value) |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
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