Omron R88D-1SN ECT Series, User Manual, Page: 421 / 974

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4 Configuration and Wiring
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
4-3 Wiring
Con
fo
rm
ing
to
EMC Directi
ves
4
4-
3-2 Selecting
Connection
Component
The value of the inrush current varies depending on the input voltage to the Servo Drive. The values
shown above are for the following input voltages.
 Selection of Leakage Breaker
• Select a leakage breaker which is made for high frequency and surge resistance.
• When you determine the threshold value for leakage current detection, add the total leakage cur-
rent from all devices that are connected to the same breaker.
• Refer to the catalogs from the manufacturers for details on how to select a leakage breaker and
ensure a sufficient margin.
R88D-1SN10F-ECT 32 A
R88D-1SN15F-ECT 32 A
R88D-1SN20F-ECT 32 A
R88D-1SN30F-ECT 32 A
R88D-1SN55F-ECT 68 A
R88D-1SN75F-ECT 68 A
R88D-1SN150F-ECT 68 A
*1. If an external regeneration resistor is attached, the inrush
currents of the main circuit power supplies in the above table
will be increased.
(Increase in current =
√ 2 × main circuit power supply volt-
age/external regeneration resistance)
Model
Main circuit power
supply voltage
R88D-1SN

L-ECT 120 VAC
R88D-1SN  H-ECT 240 VAC
R88D-1SN

F-ECT 480 VAC
Leakage Breaker
Servo Drive model
Inrush current (Ao-p)
Main circuit power supply