
ABB isolating switch OT250 1SCA022860R1190
- BrandABB
- SeriesOT250
- Depth82 mm
- Maximum rated operational voltage Ue AC1 kV
- Switching power at 400 V145 kW
- Rated current In250 A
- Width233.5 mm

4-pole, side operated, base mounted switch-diconnector with black direct mount handle, terminal bolt kit included
| Series | OT250 |
|---|---|
| Electrical | |
| Maximum rated operational voltage Ue AC | 1 kV |
| Switching power at 400 V | 145 kW |
| Rated current In | 250 A |
| Conditional rated short-circuit current Iq | 100 kA |
| Rated power in AC-23 operating mode, 400 V | 145 kW |
| Rated voltage | 1 kV |
| Rated DC current at AC-21, 400V | 250 A |
| Rated continuous current Iu | 250 A |
| Rated continuous current at AC-23, 400 V | 250 A |
| Rated short-time withstand current Icw | 8 kA |
| Number of poles | 4 |
| Number of switches/changeover switches | 1 |
| Independent trip unit | No |
| Main electrical circuit connection type | Screw connection |
| Version as emergency switching-off device | No |
| Version as main switch | Yes |
| Design as protective switch | No |
| Design as auxiliary/maintenance switch | Yes |
| Mechanical | |
| Depth | 82 mm |
| Width | 233.5 mm |
| Height | 150 mm |
| Colour of control elements | Black |
| Housing color | Grey |
| Housing material | Plastic |
| Suitable for central front panel mounting | No |
| Suitable for floor mounting | No |
| Suitable for front panel mounting, 4 holes | No |
| Operating conditions | |
| IP protection rating | IP00 |
| Other | |
| Design | Complete device in housing |
| Reversing design | No |
| Motor drive optional | No |
| Suitable for distribution board | Yes |
| Type designation | OT250ES04K |
| Built-in motor drive | No |
| With interlock | No |
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