User manual of EL8-EC***F AC Servo
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2.5.1 Main power supply cable selection
Please connect to L1C/L2C (Control circuit) and L1/L2/L3 (Main power) to rated power
supply voltage for the driver to operate under normal working condition. Driver will not
function without both connected properly.
Main power supply wire gauge
Driver
Wire diameter (mm
2
/AWG)
L1 L2
P+ BR
U V W
PE
EL8-EC400F
0.81/AWG18
2.1/AWG14
1.3/AWG16
2.1/AWG14
EL8-EC750F
0.81/AWG18
2.1/AWG14
1.3/AWG16
2.1/AWG14
EL8-EC1000F
0.81/AWG18
2.1/AWG14
2.1/AWG14
2.1/AWG14
Grounding: Grounding wire should be thicker. Ground PE terminal of servo drive and
servo motor together with resistance <100 Ω
.
A 3-phase isolation transformer is recommended to lessen the risk of electrocution
Connect a line filter to power supply to reduce electromagnetic interference.
Please install a fuseless circuit breaker to cut off power supply in time when the driver
fails
.
To fix wire cables into connector
1
Cable
Connector
Tool
2
Press
3
Rel ease