KC-30=RELAY, VACUUM, SPST-NC
| Parameter Name | Attribute value |
| RF level | yes |
| Relay type | high voltage |
| Energy saver | Without |
| switch | no |
| Terminal voltage rating (kVDC) | 25 |
| Voltage (maximum) (VDC) | 1800, 2200, 3500, 5000, 7500, 8000, 10000, 12000, 15000, 20000, 25000, 30000, 35000, 50000, 70000 |
| Coil Voltage Rating (VDC) | 26.5 |
| Coil resistance (Ω) | 120 |
| Terminal arrangement | 1 Form B,SPST-NC,1 N/C |
| Terminal Current Rating (A) | 55 |
| High voltage connection (coil) | Turret terminals |
| High voltage connection (power supply) | branch terminal |
| terminal vaccination | Turret terminals |
| Installation type | Thread |