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AC Servomotors/Servo Drives 1S-series Instruction Manual
Wire Sizes for 400-VAC Input Model: R88D-1SAN
F-ECT
Wiring to Protective Earth Terminal
Use a round terminal for the protective earth terminal.
Overload Protection (Electronic Thermal Function)
• Servo Drive memorizes a load ratio after an overload occurs. Therefore, when you run a Ser-
vomotor under the same condition, an overload occurs earlier than when the first overload oc-
curs.
• Overload protection does not have Speed Sensitive.
Item
Unit
Model (R88D-1SAN)
10F-ECT
15F-ECT
20F-ECT
30F-ECT
Power supply capacity
kVA
2.0
2.1
4.2
5.0
Main circuit power
supply input
Rated current Arms
3.1
4.3
6.5
8.4
Wire size
---
1.5 to 6.0 mm
2
2.5 to 6.0
mm
2
Control circuit
power supply
input
Wire size
---
0.5 to 1.5 mm
2
Motor connection
terminals
Rated current Arms
4.1
4.7
7.8
11.3
Wire size
---
1.5 to 6.0 mm
2
2.5 to 6.0 mm
2
Protective
earth
Wire size
---
2.5 mm
2
or larger
*1
*1. The wire size of protective earth must be greater than or equal to the wire size of main circuit power
supply input.
Screw size
---
M4
Tightening
torque
N·m
1.2
