s
p
eleCTing The
roper
C
f
arrier
requenCy
These Variable Torque (VT) and Constant Torque (CT) derating curves are for drives with 3-phase
input power. The 230VAC, CT curves also apply equally whether the drive is supplied with
3-phase or 1-phase input power.
230v v
T
ariable
orque
For 230V Variable Torque
VT/CT Duty Selection P6.34 = 0
Method of Derating P6.33 = 0, 1, or 2
50°C UL Open Type
40°C UL Type 1 or Open Type side-by-side
110
100
90
80
70
60
4
6
5
460v v
T
ariable
orque
For 460V Variable Torque
VT/CT Duty Selection P6.34 = 0
Method of Derating P6.33 = 0, 1, or 2
50°C UL Open Type
40°C UL Type 1 or Open Type side-by-side
110
100
90
80
70
60
4
6
5
Reference Chapter 4, Parameters, for complete descriptions of parameters P6.33 and P6.34.
DuRA
GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
pulse
d
r
(
rive
aTing
ConTinued
d
(
)
eraTing
ConTinued
C
f
arrier
requenCy
GS4-21P0 – GS4-2015
GS4-2020 – GS4-2050
GS4-2060 – GS4-2100
8
10
12
14
7
9
11
13
15
F c (kHz)
C
f
arrier
requenCy
GS4-41P0 – GS4-4020
GS4-4025 – GS4-4075
GS4-4100 – GS4-4300
8
10
12
14
7
9
11
13
15
F c (kHz)
)
d
eraTing
For 230V Variable Torque
VT/CT Duty Selection P6.34 = 0
Method of Derating P6.33 = 0 or 2
40°C UL Open Type
30°C UL Type 1 or Open Type side-by-side
GS4-21P0 – GS4-2015
GS4-2020 – GS4-2050
GS4-2060 – GS4-2100
110
100
90
80
70
60
4
6
8
5
7
d
eraTing
For 460V Variable Torque
VT/CT Duty Selection P6.34 = 0
Method of Derating P6.33 = 0 or 2
40°C UL Open Type
30°C UL Type 1 or Open Type side-by-side
GS4-41P0 – GS4-4020
GS4-4025 – GS4-4075
GS4-4100 – GS4-4300
110
100
90
80
70
60
4
6
8
5
7
Chapter 1: Getting Started
10
12
14
9
11
13
15
F c (kHz)
10
12
14
9
11
13
15
F c (kHz)
Page 1–7
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