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33kv Surge Arresters – The Protective Device Against Transients
Surge arrester is described by NEC as a protective device for limiting surge voltages by discharging or bypassing surge current on an electrical system to earth or ground. It also prevents continued flow of follow current while remaining capable of repeating these functions. In other words, a surge arrester’s purpose is to protect equipment or the system from damage due to transients.
BASIS DATA
| Rated voltage: | 33kv |
| MCOV: | 26.8kv |
| Nominal discharge current: | 10KA |
| Rated fequency strandard: | 50Hz |
| Ledkage distance: | 1160mm |
| 1mA DC Reference voltage: | ≥53KV |
| 0.75 U1mA Leak current: | ≤15μA |
| Partial Discharge: | ≤10Pc |
| 8/20 μs Ligting current Impulse: | 99kV |
| 4/10 μs High current impulse witstand: | 65kA |
| 2ms Rectangular current impulse withstand: | 200A |
Notes：It can be customized to your needs
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