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Surge arresters zinc oxide resistor/ varistor
Specification:
Made by Metal Oxide Zinc
Used for the surge arrester
Differet type for different usage
Technical parameter, please see the table
Specification:
Made by Metal Oxide Zinc
Used for the surge arrester
Differet type for different usage
Technical parameter, please see the table
| Metal Oxide Vaistor Technical Parameter | |||||||||
| Specification mm | Voltage Gradient V/mm | Square Wave Test Valve | 4/20μ S High Current Withstand kA | 8/20μ S high current withstand kA | DC1mA Refering Voltage kV | 0.75Times U1mA Leak current μ A < | Residual Votage Ratio | Aging Load Point Ratio% | |
| 5 kA | 10 kA | ||||||||
| D28*24 | 210~235 | 200 | 65 | 10 | 5.3 | 10 | 1.88 | 85 | |
| D28*24 | 230~250 | 150 | 65 | 10.2 | 5.6 | 10 | 1.83 | 85 | |
| D31*24 | 210~235 | 200 | 65 | 9.6 | 5.3 | 10 | 1.81 | 85 | |
| D31*24 | 230~250 | 300 | 65 | 10 | 5.6 | 10 | 1.78 | 85 | |
| D35*24 | 210~235 | 250 | 80 | 8.9 | 5.6 | 10 | 1.75 | 85 | |
| D35*24 | 230~250 | 400 | 65 | 9.7 | 5.1 | 10 | 1.73 | 85 | |
| D42*24 | 210~235 | 400 | 100 | 9 | 9.6 | 5.35 | 30 | 1.79 | 90 |
| D42*24 | 200~210 | 500 | 100 | 8.3 | 8.9 | 4.92 | 30 | 1.81 | 90 |
| D52*24 | 210~235 | 600 | 120 | 9.4 | 5.35 | 30 | 1.75 | 90 | |
| D52*24 | 200~210 | 700 | 120 | 8.8 | 4.92 | 30 | 1.78 | 90 | |
| D62*21.5 | 210~235 | 800 | 120 | 9.3 | 5.35 | 50 | 1.73 | 90 | |
| D62*21.5 | 200~210 | 1000 | 120 | 8.7 | 4.92 | 50 | 1.76 | 90 | |