B&R 8JSA2 Series, User Manual, Page: 45 / 98

Technical data • 8JSA5 - Technical data
Chapter 2
Technical data
8JSA user's manual V1.00 45
14 8JSA5 - Technical data
Model number 8JSA51.ee045ffgg-0 8JSA52.ee045ffgg-0 8JSA54.ee028ffgg-0 8JSA54.ee050ffgg-0
Motor
Nominal speed n
N
[rpm] 4500 2750 5000
Number of pole pairs 5
Nominal torque M
n
[Nm] 2.89 5.02 11.17 6.92
Nominal power P
N
[W] 1362 2366 3217 3623
Nominal current I
N
[A] 4.49 4.31 5.98 6.11
Stall torque M
0
[Nm] 4.83 8.5 14.4 14.11
Stall current I
0
[A] 7.5 7.4 7.8 12.5
Maximum torque M
max
[Nm] 15.7 29.9 54.5 53.9
Maximum current I
max
[A] 37.5 37 38.5 62.5
Maximum speed n
max
[rpm] 6100
Torque constant K
T
[Nm/A] 0.64 1.16 1.87 1.13
Voltage constant K
E
[V/1000 rpm] 41.9 74.9 120.3 72.9
Stator resistance R
2ph
[Ω] 1.16 1.45 1.58 0.65
Stator inductance L
2ph
[mH] 5.2 7.8 9.6 3.5
Electrical time constant t
el
[ms] 4.5 5.4 6.1 5.4
Thermal time constant t
therm
[min] 20 24 31
Moment of inertia J [kgcm
2
] 3.4 6.2 12
Weight without brake m [kg] 4.2 5.8 9
Holding brake
Holding torque of brake M
Br
[Nm] 14.5
Mass of brake [kg] 1.1
Moment of inertia of brake J
Br
[kgcm
2
] 0.173
Recommendations
ACOPOS 8Vxxxx.xx... 1090 1180
ACOPOSmulti 8BVIxxxx... 0110
ACOPOS P3 8EIxxxx... 8X8X 017X
Cross section for B&R motor cables
[mm
2
]
0.75 1.5
Connector size 1.0
Table 5: 8JSA51.ee045ffgg-0, 8JSA52.ee045ffgg-0, 8JSA54.ee028ffgg-0, 8JSA54.ee050ffgg-0 - Technical data
14.1 Speed-torque characteristic curves at 325 VDC DC bus voltage
8JSA51.eennnffgg-0
0 1000 2000 3000 4000 5000 6000
Speed in rpm
0
2
4
6
8
10
12
14
16
18
To
rq
ue
in
N
m
(0/15.7) (2525/15.7)
(5490/0)
(0/4.83)
TChar version: 0124
DB version: 2017 09 18
dT ... 100K
dT ... 60K dT ... 60K
n
N
= 4500 rpm