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3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Technical specifications of the control inputs of the 3KC6 transfer switching equipment
The table below contains the technical specifications for the control inputs of the transfer switching equipment.
Number of inputs |
3 |
Direct current Iin |
0.5 … 1 mA |
Line resistance |
1 kΩ |
Pulse duration |
60 ms |
Power per input |
- |
Overvoltage protection |
- |
ESD withstand voltage (contact / air) |
4 kV / 8 kV |
Impulse withstand voltage Uimp between inputs and other current-carrying parts |
2.5 kV (1.2 μs / 50 μs), increased insulation |
Permissible cable cross-section |
min. 0.5 mm² max. 1.5 mm² (solid) / 2.5 mm² (stranded) |
Permissible cable length
The maximum length of the cables used must not exceed 10 m. Relays must be used in the event of lengths > 10 m.