4
Mounting and installation
Festo – GDCP-CMCA-INST-EN – 1211a – English
27
Terminal strip
Terminal
Description
X0
L1
Phase 1
L2
Phase 2
L3
Phase 3
N
Neutral conductor
PE
Protective earth conductor (connected to the mounting plate)
Tab. 4.4
4.2.4
Connect power switch (with mounting plate design)
The power switch is connected from above to the terminal strip X0 and from below to the terminal strip
X1.
Caution
Danger of damage to the motor controller.
Switching on one or more phases before switching on the neutral conductor can result
in damage to the motor controller.
•
Use a 4-pin switching power switch with a leading contact at switch-on for the neut-
ral conductor to prevent damage to the motor controllers when switched on.
Terminal strip
Terminal
Connections, power switch
X0
L1
L1
L2
L2
L3
L3
N
N
X1
1L1
T1
1L2
T2
1L3
T3
N1
N
Tab. 4.5