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GW9 Outdoor Isolation Switch
The”GW9-10G” of outdoor MV isolator switch is the high voltage switch equipment of single phase AC50Hz.The product is suitable for power system with rated voltage 10KV to make or break power supply under circumstances of with voltage and nomload.
The isolator adopts isolated rod to operate.
Standard:IEC 60129
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Product Details
Selection
Operating conditions
1. The altitude does not exceed 1000m.
2. The ambien t air temperature: Maximum+40℃: Minimum: General Area-30℃, Paramos-40℃ .
3. The wind pressure does not exceed 700Pa.
4. The earthquake intensity does not exceed 8 degrees.
5. The working situation without frequent violent vibration.
6. The installation site of ordinary type isolator s hould be kept away from gas,smoke chemical deposition, salt-spray-fog, dust and other and corrosive maters that affect seriously insulation and conuction capability of the isolator.
7. Pollution-proof type isolator is applies to severe filthy conduction area, however,
8. It shouldn’t be any explosive matters and matters causing fire.
Technical data
| Item | Unit | Value | |||||||
| Technical data | KV | 10 | 15 | 24 | |||||
| Rated working voltage | KV | 12 | 17.5 | ||||||
| Rated insulation level | 1min power frequency withstand voltage (effective value) | to ground | KV | 42 | 55 | 65 | |||
| Fracture | KV | 48 | 65 | 79 | |||||
| Lightning impulse withstand voltage (peak) | to ground | KV | 75 | 105 | 125 | ||||
| Fracture | KV | 85 | 120 | 145 | |||||
| Rated frequency | HZ | 50 | |||||||
| Rated current | A | 200 | 400 | 630 | 1250 | 400 | 630 | ||
| 4s short-time withstand current | KA | 6.3 | 12.5 | 20 | 31.5 | 16 | 20 | ||
| Rated peak withstand current | KA | 16 | 31.5 | 50 | 80 | 40 | 50 | ||
| Creepage distance | mm | 300 | 380 | ||||||
| Mechanical life | Time | 2000 | 2000 | 2000 | |||||
Overall and mounting dimensions(mm)
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Address：CNC High-Tech Hutou Industrial Zone, Liushi Town,Yueqing . Wenzhou City, China
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