Switch-disconnector fuse, 1250A, 3-pole, DIN 4, front operated.
| Series | OS1250 |
|---|---|
| Electrical | |
| Maximum rated operational voltage Ue AC | 1 kV |
| Rated current In | 1 kA |
| Conditional rated short-circuit current Iq | 80 kA |
| Rated power in AC-23 operating mode, 400 V | 1 MW |
| Rated continuous current Iu | 1 kA |
| Rated short-time withstand current Icw | 40 kA |
| Number of poles | 3 |
| Main electrical circuit connection type | Screw connection |
| Version as emergency switching-off device | No |
| Version as main switch | Yes |
| Design as protective switch | Yes |
| Equipped with connectors | Yes |
| Mechanical | |
| Suitable for mounting on busbars | Yes |
| Handle position | Left |
| Operating conditions | |
| IP protection rating | IP20 |
| Other | |
| Motor drive optional | No |
| Suitable for fuse links | NH4 |
| Type designation | OS1250D03 |
| Control element type | Long rotary handle |
| Built-in motor drive | No |
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