The Normally Type for Substation Operate Isolator Switch
Brief Description:
1. 12kv Isolating Switch with Manual Mechanism
2. Since 1993
Technical parameter:
| No | Items | Technical parameter | |||||
| 1 | Rated Voltage kV | 40.5 | 12 | 18 | 20 | ||
| 2 | Nominal system voltage kV | 35 | 10 | 15 | 20 | ||
| 3 | Rated current A | 630;1250;1600;2000;2500;3150;4000 | |||||
| 4 | Rated Short Time withstand current and Time kA/s | 25~50/4 | |||||
| 5 | Rated Peak withstand current kA | 63~125 | |||||
| 6 | 1min power frequency withstand voltage (effective value) kV | To earth | 95/85 | 42 | 45 | 65 | |
| To phase | 95/85 | ||||||
| Across Isolating DS | 118 | 53 | 55 | 79 | |||
| 7 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 185 | 75 | 105 | 125 | |
| To phase | 185 | ||||||
| Across Isolating DS | 210 | 85 | 120 | 145 | |||
| 8 | Rated mechanical terminal load N | Level of lateral load | 500 | 500 | 500 | 500 | |
| Level of vertical load | 250 | 250 | 250 | 250 | |||
| Vertical | 500 | 500 | 500 | 500 | |||
| 9 | The min distance of insulation against ground mm | 400 | |||||
| 10 | Max Man Operative Moment N. m | 200 | |||||
| 11 | Motor Drive operating mechanism control voltage V | AC220,380; DC110,220 | |||||
| 12 | Motor Drive operating mechanism motor voltage V | AC220,380; DC110,220 | |||||
