Servomotor series JHN, JHQ, and JL – User Manual
Servomotors of the JHQ series
Jetter AG
89
Motor type
JHQ2-
0125-
088
JHQ2-
0125-
059
JHQ2-
0125-
044
Rated speed
N
n
RPM
3000
4500
6000
Rated torque
M
n
Nm
1.21
1.18
1.16
Rated current
I
n
A
0.83
1.22
1.59
Holding torque
M
o
Nm
1.25
1.25
1.25
Continuous stall current
I
o
A
0.83
1.22
1.59
Max. torque
M
max
Nm
5.0
5.0
5.0
Max. current
I
max
A
4.1
6.0
8.3
Max. speed
N
max
RPM
6600
6600
6600
Back EMF constant
K
E
V/kRPM 88.0
58.6
44.0
Torque constant
K
T
Nm/A
1.45
0.97
0.73
Winding resistance
R
2ph
Ω
58
24.5
13.5
Winding inductance
L
2ph
mH
88
42.5
23.6
Number of motor poles
P
mot
8
8
8
Idling speed
N
o
RPM
4050
6100
8500
Max. torque at sea level
M
x
Nm
2.0
2.3
2.6
Thermal time constant
- Copper winding
T
ther_CU
s
35
35
35
Electrical time constant
T
el
ms
1.5
1.7
1.7
Mechanical time constant
T
mech
ms
1.5
1.4
1.4
Thermal time constant
T
th
min
40
40
40
Rotor inertia without brake
J
kg*cm
2
0.31
0.31
0.31
Weight without brake
m
kg
2.0
2.0
2.0
Axial load
F
A
N
15.0
15.0
15.0
Radial load
F
R
N
145
145
145
