3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Functions
The 3KC3 and 3KC6 transfer switching equipment offers the following functions for maintaining a power supply:
Function |
3KC3 |
3KC6 |
---|---|---|
Remotely operated transfer switching (RTSE) |
✓ |
- |
Automatic transfer switching (ATSE) |
- |
✓ |
Load transfer switching (between two loads) |
✓ |
- |
Network / network applications |
✓ 1) |
✓ |
Generator/generator applications |
✓ 1) |
- |
Network / generator applications |
✓ 1) |
- |
External power supply |
✓ |
- |
Internal power supply |
- |
✓ |
Manual operation of positions I, 0 and II |
✓ |
✓ |
Remotely operated electrical actuation of positions I, 0 and II |
✓ |
- |
Automatic check of positions I, 0 and II |
- |
✓ |
Monitoring of phase sequence in sources I and II |
- |
- |
Monitoring of voltage and frequency in sources I and II |
- |
✓ |
Configuration of control unit using potentiometer and DIP switch |
- |
✓ |
Setting of operating voltage and frequency, voltage threshold, frequency threshold |
- |
✓ |
Operation with or without priority |
- |
✓ |
Selection of the prioritized source |
- |
✓ |
Adjustable switching time |
- |
✓ |
Actuation mode: impulse or continuous operation logic |
✓ |
- |
Actual switch position visible in two places |
✓ |
✓ |
LED display for source availability, automatic mode, fault indication |
- |
✓ |
Display of source availability (via output) |
- |
✓ |
Inhibiting of automatic mode (via inputs) |
- |
✓ |
Actuation of position 0 (via inputs) |
✓ |
✓ |
Power supply via 2 inputs (internal dual power supply) |
- |
✓ |
1) Possible with an appropriate, separate transfer control device