Page A–10
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Appendix A: Accessories
line/lOaD reaCtOrs
When the GS4 drive is connected directly to a large-capacity power transformer (600kVA or above)
or when a power correction capacitor is switched on, excessive peak currents may occur in the
input power circuit resulting in damage to the GS4 drive. To avoid this, it is recommended to
install a line reactor in series with the GS4 drive on the input side. The installation of a line reactor
will reduce input current peaks and improve the output power efficiency. The LR series of Line
Reactors can also be used on the output side of the GS4 drive as Load Reactors (see Applications
section).
line/load reaCTors seleCTion CharTs
Supply: 230V, 1Ø, 50/60 Hz (Constant Torque; reactor installed Line Side)
GS4 Model
Derated
Output
(hp)*
CT: 1Ø
Input Amps
(rms)**
Saturation
Amps
(rms)
Inductance (mH)
Max Motor
kW
LR Model
Rated
Amps
LR 3%
Inductance
3%
Impedance
5%
Impedance
GS4-21P0
0�5 4�2 7�6 2�506 4�176 0�37
LR-20P5-1PH
4�9 3�74
GS4-22P0 0�75 5�6 10�1 1�879 3�132 0�55 LR-21P0-1PH 8 2�29
GS4-23P0 1 8�7 15�7 1�210 2�016 0�75 LR-21P0-1PH 8 2�29
GS4-25P0 2 14 25 0�752 1�253 1�5 LR-22P0-1PH 12�0 1�53
GS4-27P5 3 19 34 0�554 0�923 2�2 LR-23P0-1PH 17�0 1�08
GS4-2010 3 19 34 0�554 0�923 2�2 LR-23P0-1PH 17�0 1�08
GS4-2015 5 30 54 0�351 0�585 3�7 LR-2010 30�8 0�342
GS4-2020 7�5 43 77 0�245 0�408 5�5 LR-2015 46�2 0�220
GS4-2025 10 57 103 0�184 0�307 7�5 LR-2020 59�4 0�172
GS4-2030 10 57 103 0�184 0�307 7�5 LR-2020 59�4 0�172
GS4-2040 10 57 103 0�184 0�307 7�5 LR-2020 59�4 0�172
GS4-2050 10 57 103 0�184 0�307 7�5 LR-2020 59�4 0�172
GS4-2060 15 85 153 0�124 0�206 11 LR-2025 74�8 0�138
GS4-2075 20 113 203 0�093 0�155 15 LR-2040 114 0�0886
GS4-2100 25 130 234 0�081 0�135 18�5 LR-2050 143 0�0699
* Drive output HP is derated when supplied single phase.
* * Amperage ratings expressed in the column CT: 1Ph Input Amps (rms) are with a line reactor installed on
the line side of the drive.
Supply: 230V, 1Ø, 50/60 Hz (Constant Torque; reactor installed Load Side)
GS4 Model
Derated
Output
(hp)*
CT: 3Ø
Output Amps
(rms)*
Saturation
Amps
(rms)
Inductance (mH)
Max Motor
kW
LR Model
Rated
Amps
LR 3%
Inductance
3%
Impedance
5%
Impedance
GS4-21P0 0�5 2�4 4�3 2�893 4�822 0�37 LR-20P5 2�4 4�2
GS4-22P0 0�75 3�2 5�8 2�170 3�617 0�55 LR-21P0 4�6 2�46
GS4-23P0 1 5�0 9�0 1�397 2�328 0�75 LR-21P0 4�6 2�46
GS4-25P0 2 8 14 0�868 1�447 1�5 LR-23P0 10�6 0�97
GS4-27P5
3 11 20 0�640 1�066 2�2
LR-23P0
10�6 0�97
GS4-2010 3 11 20 0�640 1�066 2�2 LR-23P0 10�6 0�97
GS4-2015 5 17 31 0�405 0�675 3�7 LR-25P0 16�7 0�626
GS4-2020 7�5 25 45 0�283 0�471 5�5 LR-27P5 24�2 0�434
GS4-2025 10 33 59 0�213 0�354 7�5 LR-2010 30�8 0�342
GS4-2030 10 33 59 0�213 0�354 7�5 LR-2010 30�8 0�342
GS4-2040 10 33 59 0�213 0�354 7�5 LR-2010 30�8 0�342
GS4-2050 10 33 59 0�213 0�354 7�5 LR-2010 30�8 0�342
GS4-2060 15 49 88 0�143 0�238 11 LR-2015 46�2 0�22
GS4-2075 20 65 117 0�108 0�179 15 LR-2020 59�4 0�172
GS4-2100 25 75 135 0�093 0�156 18�5 LR-2025 74�8 0�138
* Amperage ratings are 3-phase output reactor ratings when the drive is supplied with a single-phase input.
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