36
AC Servomotors/Servo Drives 1S-series Instruction Manual
400-VAC Input Model: R88D-1SAN
F-ECT
Control Circuit Power Supply
Rating 24 VDC/1.2 A
Control Circuit Overcurrent Protection is required.
Terminal Block Wire Sizes
The following tables show the rated current that flows to the terminal block on the Servo Drive
and the applicable wire sizes.
Use 75°C Copper Conductors only.
Wire Sizes for 200-VAC Input Model: R88D-1SAN
H-ECT
Wire Sizes for 200-VAC Input Model: R88D-1SAN
H-ECT
Item
Unit
Model (R88D-1SAN)
10F-ECT
15F-ECT
20F-ECT
30F-ECT
Rated voltage
VAC
380Y/219-480Y/277
3-phase
Power supply frequency
Hz
50/60
Rated input current
Arms
3.1
4.3
6.5
8.4
Rated output current (FLA)
Arms
4.1
4.7
7.8
11.3
Short-circuit current rating (SCCR) ---
480 V 5,000 Arms
Item
Unit
Model (R88D-1SAN)
02H-ECT
04H-ECT
08H-ECT
Power supply capacity
kVA
0.6
1.0
1.4
Main circuit power
supply input
*1
*1. For single-phase inputs, connect between any two phases out of the following: L1, L2, and L3.
Rated current
Arms
2.7/1.5
*2
*2. The first value is for single-phase input power and the second value is for 3-phase input power.
4.6/2.7
*2
7.3/4.0
*2
Wire size
---
AWG14
Motor connection
terminals
Rated current
Arms
1.5
2.5
4.6
Wire size
---
AWG14
Protective
earth
Wire size
---
AWG12 or larger
Screw size
---
M4
Tightening torque Lb·in
10.7
Item
Unit
Model (R88D-1SAN)
10H-ECT
15H-ECT
20H-ECT
30H-ECT
Power supply capacity
kVA
2.0
2.5
3.6
4.7
Main circuit power
supply input
*1
*1. For single-phase inputs, connect between any two phases out of the following: L1, L2, and L3.
Rated current
Arms
5.8
15.7/9.0
*2
*2. The first value is for single-phase input power and the second value is for 3-phase input power.
13.0 15.9
Wire size
---
AWG14
AWG12 to 8
Motor connection
terminals
Rated current
Arms
7.7
9.7
16.2
22.3
Wire size
---
AWG14
AWG14 to 8 AWG10 to 8
Protective
earth
Wire size
---
AWG12 or larger
Screw size
---
M4
Tightening torque Lb·in
10.7
