B&R 8JSA2 Series, User Manual, Page: 60 / 98

Technical data • 8JSA7 - Technical data
60 8JSA user's manual V1.00
16 8JSA7 - Technical data
Model number 8JSA72.ee020ffgg-0 8JSA73.ee024ffgg-0 8JSA74.ee018ffgg-0
Motor
Nominal speed n
N
[rpm] 2000 2400 1800
Number of pole pairs 5
Nominal torque M
n
[Nm] 23.4 28.2 39.3
Nominal power P
N
[W] 4901 7087 7408
Nominal current I
N
[A] 10.06 13.22 13.82
Stall torque M
0
[Nm] 30 41.6 52.5
Stall current I
0
[A] 13 19.5 18.5
Maximum torque M
max
[Nm] 119.3 167.9 214.6
Maximum current I
max
[A] 65 97.4 92.1
Maximum speed n
max
[rpm] 6100
Torque constant K
T
[Nm/A] 2.33 2.13 2.84
Voltage constant K
E
[V/1000 rpm] 150 137 183
Stator resistance R
2ph
[Ω] 0.69 0.38 0.47
Stator inductance L
2ph
[mH] 10.8 5.9 7.7
Electrical time constant t
el
[ms] 15.7 15.5 16.4
Thermal time constant t
therm
[min] 46 53 60
Moment of inertia J [kgcm
2
] 65 92 120
Weight without brake m [kg] 19.7 26.7 33.6
Holding brake
Holding torque of brake M
Br
[Nm] 53
Mass of brake [kg] 2.9
Moment of inertia of brake J
Br
[kgcm
2
] 1.644
Recommendations
ACOPOS 8Vxxxx.xx... 1180 1320
ACOPOSmulti 8BVIxxxx... 0110 0220
ACOPOS P3 8EIxxxx... 017X 024X
Cross section for B&R motor cables [mm
2
] 1.5 4
Connector size 1.0
Table 7: 8JSA72.ee020ffgg-0, 8JSA73.ee024ffgg-0, 8JSA74.ee018ffgg-0 - Technical data
16.1 Speed-torque characteristic curves at 325 VDC DC bus voltage
8JSA72.eennnffgg-0
0 200 400 600 800 1000 1200 1400 1600 1800
Speed in rpm
0
20
40
60
80
100
120
140
To
rq
ue
in
N
m
(0/119.3) (614/119.3)
(1534/0)
(0/30)
TChar version: 0124
DB version: 2017 09 18
dT ... 100K
dT ... 60K dT ... 60K
n
N
= 2000 rpm