Omron 1S Series - Terminal Block Wire Sizes

28AC Servomotors/Servo Drives 1S-series Instruction Manual
 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.
 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)
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, 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 --- 0.5 to 1.5 mm
2
0.75 to 1.5 mm
2
1.5 mm
2
Control circuit pow-
er supply input
Wire size --- 0.5 to 1.5 mm
2
Motor connection
terminals
Rated current Arms 1.5 2.5 4.6
Wire size --- 0.5 to 1.5 mm
2
0.75 to 1.5 mm
2
Protective
earth
Wire size ---
2.5 mm
2
or larger
Screw size --- M4
Tightening
torque
N·m 1.2
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, 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 --- 1.5 mm
2
4.0 to 6.0 mm
2
Control circuit pow-
er supply input
Wire size --- 0.5 to 1.5 mm
2
Motor connection
terminals
Rated current Arms 7.7 9.7 16.2 22.3
Wire size --- 1.5 mm
2
2.5 to 6.0
mm
2
6.0 mm
2
Protective
earth
Wire size ---
2.5 mm
2
or
larger
4.0 mm
2
or larger
*3
*3. 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