The JN15-24 indoor high-voltage grounding switch is designed for power systems rated up to 24 kV, providing effective electrical isolation. This grounding switch has a rated current of 12 kA, a short-time withstand current of 31.5 kA, and a short-circuit making current of 80 kA, ensuring reliable operation in harsh electrical environments. Its power frequency withstand voltage is 42 kV for 1 minute, with a lightning impulse withstand voltage of 75 kV, offering excellent insulation performance. Additionally, the switch features a mechanical life of up to 2000 operations, ensuring long-term stability, and is widely used in distribution equipment and high-voltage switchgear.
| Type | JN15-24 |
| Rated Current | 12 kA |
| Rated Short-Time Withstand Current | 31.5 kA |
| Rated Short-Circuit Duration | 4 S |
| Rated Short-Circuit Making Current | 80 kA |
| Rated Peak Withstand Current | 80 kA |
| Rated Insulation Level - Power Frequency Withstand Voltage, 1min | 42 kV |
| Rated Insulation Level - Lightning Impulse Withstand Voltage | 75 kV |
| Mechanical Life | 2000 Times (operations) |
