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PORCELAIN SUSPENSION TYPE INSULATORS
Porcelain Suspension Type Insulators for systems from 115 kV up to 400 kV according to CFE 52210-02 specification. Fujian trademark.
| Short description | 25SPC111C | 25SPC111CC | 28SPC111CC | 29SPC160C | |
|---|---|---|---|---|---|
| Power frequency Flashover Voltage | Dry (kV) | 91 | 107 | 107 | 89 |
| Wet (kV) | 58 | 63 | 63 | 59 | |
| Critical Impulse Flashover Voltage | Positive (kV) | 138 | 188 | 188 | 129 |
| Negative (kV) | 150 | 169 | 169 | 145 | |
| Radio-interference Voltage | Power frequency voltage test | 10 | 10 | 10 | 10 |
| Max. RIV at 1 MHz | 7 | 8 | 8 | 10 | |
| Power frequency Puncture Voltage | 148 | 154 | 154 | 160 | |
| Mechanical strength | 141 | 141 | 141 | 160 | |
| Mechanical Impact Strength | 8.9 | 10 | 10 | 10 | |
| Mechanical routine load 3 seconds (kN) | 55.5 | 55.5 | 55.5 | 80 | |
| Rated Diameter (mm) | 254 | 280 | 280 | 298 | |
| Spacing (mm) | 146 | 146 | 146 | 146 | |
| Min. Creepage Distance (mm) | 292 | 480 | 480 | 333 | |
