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| Part Number(No.) | DC Spark-over voltage（V） | 1kV/s（V） | AC50Hz 1sec | 8/20μs (1 time)（KA） | DC Holdover Voltage（V） | Minimum Insulation Resistance（GΩ） | Maximum capacitance @1MHz（PF） | Impulse life （10/1000μs）@300A | Data sheet |
| SX4-75X | 75±20% | 800 | 3 | 5 | 52 | 1 | 0.5 | 300 |  |
| SX4-90X | 90±20% | 800 | 3 | 5 | 52 | 1 | 0.5 | 300 | |
| SX4-150X | 150±20% | 800 | 3 | 5 | 80 | 1 | 0.5 | 300 | |
| SX4-230X | 230±20% | 700 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-250X | 250±20% | 700 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-300X | 300±20% | 700 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-350X | 350±20% | 800 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-400X | 400±20% | 800 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-470X | 470±20% | 900 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-600X | 600±20% | 1000 | 3 | 5 | 150 | 1 | 0.5 | 300 | |
| SX4-800X | 800±20% | 1400 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-102X | 1000±20% | 1600 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-122X | 1200±20% | 1800 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-142X | 1400±20% | 1800 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-152X | 1500±20% | 2100 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-162X | 1600±20% | 2100 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-182X | 1800±20% | 2600 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
| SX4-202X | 1800±20% | 2600 | 2 | 3 | 150 | 1 | 0.5 | 100 | |
