| Voltage Class | Cable Front Connector Order Model | Cable Rear Connector Order Model | Applicable Cable Cross-section | Rated Cable Cross-section | Maximum Operating Voltage | Rated Current | AC Withstand Voltage (5 min) | Partial Discharge (At 2U₀) | Lightning Impulse Withstand Voltage | Thermal Short-time Withstand Current | Dynamic Peak Withstand Current |
| 12/20kV | SEQJ-620 | SEHJ-620 | 25~500mm² | 35~500mm² | 36kV | 630A | 65kV | Less than 5 pC at 36kV | 170kV | 30kA 2S | 84kA |
| 18/20kV | SEQJ-624 | SEHJ-624 | 25~500mm² | 35~500mm² | 36kV | 630A | 65kV | Less than 5 pC at 36kV | 170kV | 30kA 2S | 84kA |
| 18/30kV | SEQJ-624 | SEHJ-624 | 25~500mm² | 35~500mm² | 36kV | 630A | 65kV | Less than 5 pC at 36kV | 170kV | 30kA 2S | 84kA |