| Size: | 4a |
| Rated operational voltage Ue [V]: | 690 |
| Rated operational current In [A]: | 1250 |
| Switching (1-pole or 3-pole): | 1-pole |
| Weight [kg]: | 19 |
| Rated operational current Un= 690V [A]: | 1250 |
| Conventional thermal current Ith [A]: | 1250 |
| Rated operational voltage Ue [V]: | 690 |
| Rated insulation voltage Ui [V]: | 800 |
| Rated impuls withstand voltage Uimp [V]: | 8000 |
| Rated frequency [Hz]: | 50 |
| Utilization category Ue= 400V: | AC-22B |
| Utilization category Ue= 690V: | AC-21B |
| Mechanical durability [cycles]: | 600 |
| Permissible ambient air temperature [°C]: | -25 +55 |
| Type of protection: | IP2X |
| Busbar mounting: | Screw M16 |
| Terminal side: | Sidewise |
| Type of mounting: | 185mm busbar system |