| Model | RDHG2B-160 | RDHG2B-250 | RDHG2B-400 | RDHG2B-630 | |
| Rated thermal current | 160A | 250A | 400A | 630A | |
| Rated insulation voltage Ui | 690V | ||||
| Rated working voltage Ue | 400V/660VAC | ||||
| Rated Working current Ie | 400V/AC-23B | 160A | 250A | 400A | 630A |
| 660V/AC-22B | 100A | 200A | 315A | 425A | |
| Rated making capacity (Ar.m.s) | 10Ie | ||||
| Rated breaking capacity (Ar.m.s) | 8Ie | ||||
| Rated limited short-circuit current | 50kA | ||||
| Mechanical life(times) | 3000 | 2000 | 1000 | 1000 | |
| Electrical life(times) | 600 | 400 | 200 | 200 | |
| Power consumption | 12W | 24W | 34W | 48W | |
| Weight(kg) | 1.66 | 8.64 | 8.64 | 9.42 | |