3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
List of abbreviations
Abbreviation |
Meaning |
---|---|
1PH + N |
Single-phase network with 1 phase and neutral conductor |
3PH |
Three-phase 3-wire network with 3 phases without neutral conductor |
3PH + N |
Three-phase 4-wire network with 3 phases and with neutral conductor |
AC |
Alternating voltage |
ATSE |
Automatic transfer switching equipment |
Cu |
Copper |
DC |
Direct voltage |
DPS |
Dual power supply |
EN |
European Standard |
ESD |
Electrostatic discharge |
IEC |
International Electrotechnical Commission |
IP |
International Protection |
N |
Neutral conductor |
PH |
Phase |
RTSE |
Remotely operated transfer switching equipment |
Symbol/abbreviation |
Meaning |
---|---|
ΔU |
Voltage tolerance |
ΔF |
Frequency tolerance |
I2t |
Let-through energy |
Icm |
Short-circuit current making capacity |
Icw |
Short-time withstand current |
Ith |
Thermal current |
Ue |
Rated operational voltage |
UImp |
Impulse withstand voltage |
Un |
Nominal voltage |