Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | L/C, T/T, |
| Supply Ability | 500 SETS/YEAR |
| Delivery Time | 30 work days/ unit |
| Packaging Details | Naked |
| Mechanical lifespan of isolating switches and grounding switches | 2000 Times |
| Peak withstand current (peak) of isolating switch and grounding knife | 125 KA |
| Power frequency withstand voltage at 1 min (effective value) | 395/460 KV |
| Isolation switch and grounding knife 3S short-time withstand current (effective value) | 50 KA |
| Wind presssure | ≤700Pa（Equivalent To A Wind Speed Of 34m/s） |
| Rated volatge | 252 KV |
| Lightning impulse withstand voltage (1.2/50 μ S) | 950/1050 KV |
| Isolation switch main circuit resistance | ≤130 μΩ |
| Brand Name | TIANAN |
| Model Number | GW23(GT9)-252D |
| Place of Origin | CHINA |
| Certification | IEC&GB |
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Product Specification
| Payment Terms | L/C, T/T, | Supply Ability | 500 SETS/YEAR |
| Delivery Time | 30 work days/ unit | Packaging Details | Naked |
| Mechanical lifespan of isolating switches and grounding switches | 2000 Times | Peak withstand current (peak) of isolating switch and grounding knife | 125 KA |
| Power frequency withstand voltage at 1 min (effective value) | 395/460 KV | Isolation switch and grounding knife 3S short-time withstand current (effective value) | 50 KA |
| Wind presssure | ≤700Pa（Equivalent To A Wind Speed Of 34m/s） | Rated volatge | 252 KV |
| Lightning impulse withstand voltage (1.2/50 μ S) | 950/1050 KV | Isolation switch main circuit resistance | ≤130 μΩ |
| Brand Name | TIANAN | Model Number | GW23(GT9)-252D |
| Place of Origin | CHINA | Certification | IEC&GB |
| High Light | 1050 kV Disconnect Switch ，950 kV Disconnect Switch ，2000m Disconnect Switch | ||
| Elevated-voltage Diverter | |
| High-voltage Isolating Switch | |
| Maximum-voltage Interrupter | |
| Peak withstand current (peak) of isolating switch and grounding knife | 125 KA |
| Wind pressure | ≤700Pa(Equivalent To A Wind Speed Of 34m/s) |
| Power frequency withstand voltage at 1 min (effective value) | 395/460 KV |
| Lightning impulse withstand voltage (1.2/50 μ S) | 950/1050 KV |
| Isolation switch main circuit resistance | ≤130 μΩ |
| Creepage distance of insulators | 16mm/kV,20mm/kV,25mm/kV |
| Rated current | 2500 A |
| Ambient temperature | -25 ~ 40℃ |
| Isolation switch and grounding knife 3S short-time withstand current (effective value) | 50 KA |
| Mechanical lifespan of isolating switches and grounding switches | 2000 Times |
Our High Voltage Disconnect Switch product comes with comprehensive technical support and services to ensure optimal operation and performance. Our team of experts can provide assistance with installation, commissioning, and troubleshooting, as well as regular maintenance and repairs.
We also offer customized training programs for your staff to ensure safe and efficient operation of the High Voltage Disconnect Switch. In addition, our team can provide on-site support for critical situations to minimize downtime and ensure uninterrupted power supply.
Our commitment to quality extends beyond the sale of our products. We offer ongoing support to ensure customer satisfaction and provide technical assistance throughout the lifespan of the High Voltage Disconnect Switch.
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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