Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100 units / year |
| Delivery Time | 45 days |
| Packaging Details | Standard export package |
| Voltage | 72.5kV ~ 420kV |
| Current | 1250A ~ 5000A |
| Frequency | 50/60Hz |
| Motor voltage | AC380/DC220 |
| Phase | Single-Stage |
| Run | Turn the Horizontal |
| Brand Name | Tianan Electric |
| Model Number | GW |
| Certification | XIHARI |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 100 units / year |
| Delivery Time | 45 days | Packaging Details | Standard export package |
| Voltage | 72.5kV ~ 420kV | Current | 1250A ~ 5000A |
| Frequency | 50/60Hz | Motor voltage | AC380/DC220 |
| Phase | Single-Stage | Run | Turn the Horizontal |
| Brand Name | Tianan Electric | Model Number | GW |
| Certification | XIHARI | Place of Origin | CHINA |
| High Light | hv disconnect switch ，outdoor disconnect switch | ||
| S/N | Item | Unit | Parameter | ||||
| 1 | Rated voltage | kV | 72.5 | 145 | 252 | 363 | 420 |
| 2 | Rated insulation level | ||||||
| 3 | Rated power frequency withstand voltage (1 min) | ||||||
| 4 | To earth | kV | 160 | 275 | 460 | 210 | 520 |
| 5 | Across open breaks | kV | 200 | 275+85 | 460+145 | 210+210 | 610 |
| 6 | Rated lightning impulse withstand voltage | ||||||
| 7 | To earth | kV | 350 | 650 | 1050 | 1175 | 1425 |
| 8 | Across open breaks | kV | 410 | 650+120 | 1050+200 | 1175+295 | 1425+240 |
| 9 | Rated switch impulse withstand voltage (peak) | ||||||
| 10 | between phase/ to earth | kV | -- | -- | -- | 1425/950 | 1574/1050 |
| 11 | Across open breaks | kV | -- | -- | -- | 850+295 | 900+345 |
| 12 | Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 |
| 13 | Rated current | A | 1250 2000 2500 3150 4000 | 1250/2000 | 2000 2500 3150 4000 5000 | 31,50 5,000 | 3150 |
| 14 | Rated short-time withstand current | kA | 40 50 | 31.5/40 | 50/63 | 160 | 160 |
| 15 | Rated peak withstand current | kA | 100 125 | 80/100 | 125/160 | 63 | 63 |
| 16 | Rated duration of short circuit | s | 4 | 4 | 3 | 3 | 2 |
| 17 | Rated terminal mechanical load | ||||||
| 18 | Horizontal -logntitudinal | N | 750/1000 | 1250 | 1500 | 2500 | 2000 |
| 19 | Horizontal- vertical | N | 500/750 | 750 | 1000 | 2000 | 660 |
| 20 | Vertical force | N | 750 | 1000 | 1250 | 1500 | 1500 |
| 21 | Isolating switch bus capacity of switching currents and opening/ closing | 100V, 1600A, 100 times | 100V, 1600A, 100 times | 300V, 1600A, 100 times | 450V, 3200A, 3times 400V, 1600A, 100 times | 300V, 1600A, 100 times | |
| 22 | Grounding switch induction current open/ closing capacity | ||||||
| 23 | Electromagnetic induction-typ current (current/ voltage) | A/kV | 100/4 (80/2) | 100/6 (80/2) | 160/15 (80/3) | 1250/35 (160/10) | 160/10 (80/2) |
| 24 | electrostatic induction current (current/ voltage) | A/kV | 2/6 | 5/6 (2/6) | 10/15 (3/12) | 50/50 (18/17) | 18/20 (1.25/5) |
| 25 | Times of opening and closing | times | 10 | 10 | 10 | 10 | 10 |
| 26 | isolating switch small current open/ closing capacity | ||||||
| 27 | capacitive current | A | -- | 1 | 1 | 1 | 1 |
| 28 | Inductive current | A | -- | 0.5 | 0.5 | 0.5 | 0.5 |
| 29 | RIV radio interference voltage | uV | <500 | <500 | <500 | <500 | <500 |
| 30 | Creepage distance | mm | >1813 2248 | >3625 4495 | >6300 7812 | >9450 | >10500 |
| 31 | Mechnical endurance | times | 5000 | 5000 | 1000 | 5000 | 10000 |
| 32 | Applicable altitudes | <2000 | <2000 | <2000 | <3000 | <1000 | |
| 33 | Motor operating mechanism | ||||||
| 34 | Model | CJ2 | CJ2 | class="lazy" src="/myres/images/load_icon.gif" data-originalJ2 | class="lazy" src="/myres/images/load_icon.gif" data-originalJ2 | class="lazy" src="/myres/images/load_icon.gif" data-originalJ2 | |
| 35 | Motor voltage | V | AC 380 DC220 | AC 380 DC220 | AC 380 DC220 | AC 380 DC220 | AC 380 DC220 |
| 36 | Control circuit's voltage | V | AC 220 DC220 DC110 | AC 220 DC220 DC110 | AC 220 DC220 DC110 | AC 220 DC220 DC110 | AC 220 DC220 DC110 |
| 37 | Opening time and closing time | s | 7+1 | 7+1 | 16+1 | 16+1 | 16+1 |
| 38 | Output shaft rotation | 180 | 180 | 180 | 180 | 180 | |
| 39 | Manual operating mechanism | ||||||
| 40 | Model | CS11 | CS11 | class="lazy" src="/myres/images/load_icon.gif" data-originalS | class="lazy" src="/myres/images/load_icon.gif" data-originalS | class="lazy" src="/myres/images/load_icon.gif" data-originalS | |
| 41 | control circuit voltage | V | AC 220 | AC 220 | AC 220 | AC 220 | AC 220 |
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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