SM6 24kV
Modular air-insulated Switchboard up to 24 kV
An Air-Insulated modular switchboard SM6 24kV that guarantees high-reliability for your underground secondary distribution, flexible and easy to install and operate By combining these recognizable values and innovative solutions, we can respond to the most complex requirements for the medium voltage distribution and protection of the medium voltage equipment in distribution and industrial transformer stations. Your imagination, our realization.
Rated voltage | Ur | kV | 7,2kV | 12kV | 17,5kV | 24kV |
Insulation level | Ud | 50Hz, 1min (kV rms) | 20kV | 28kV | 38kV | 50kV |
Up | 1,2/50µs (kV peak) | 60kV | 75kV | 95kV | 125kV | |
Rated current | In | 400A – 630A – 1250A | ||||
Short-time withstand current | Ik/tk | 25kA/1sec | 630A – 1250A | |||
20kA/1sec | 630A – 1250A | |||||
16kA/1sec | 630A – 1250A | |||||
12,5kA/1sec | 400A – 630A – 1250A | |||||
Ima | 62,5kA | 630A | NA | |||
50kA | 630A | |||||
40kA | 630A | |||||
31,25kA | 400A – 630A |
- Metal enclosed units
- Classes PI (insulating partition)
- Classes LSC2A (loss of service continuity classes)
- Units in switchboard: IP3X
- Between compartments: IP2X
- Cubicle: IK08
- Internal arc withstand:
- Basic version:
- 12,5kA 1sec, IAC: A-FL
- Advanced version:
- 12,5kA 1sec, IAC: A-FLR
- 16kA 1sec, IAC: A-FLR & IAC: A-FL
- 20kA 1sec, IAC: A-FLR & IAC: A-FL
- Basic version:
- Working temperature:
-
- less than or equal to 40 ° C
- less than or equal to 35 ° C mean 24-hour value
- greater than or equal to -5 ° C
- Elevation:
- Less than or equal to 1000m
- Over 1000m, correction factors apply (please contact us)
- Solar radiation
- Is not allowed
- Seismic
- Class 2