Technical data
254
8LS...-3 user's manual V2.50
Model number
8LSP95.
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8LSP95.
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8LSP95.
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8LSP96.
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8LSP96.
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8LSP96.
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Motor
Nominal speed n
N
[rpm]
1300
1500
2200
1300
1500
2200
Number of pole pairs
4
Nominal torque M
n
[Nm]
280
263
350
325
Nominal power P
N
[W]
38118
43982
60591
47647
54978
74875
Nominal current I
N
[A]
76
86
119
96
107.3
147
Stall torque M
0
[Nm]
312
390
Stall current I
0
[A]
85
96
141
107
119.6
175
Maximum torque M
max
[Nm]
778
1000
Maximum current I
max
[A]
249
280
412
320
359
530
Maximum speed n
max
[rpm]
3000
Torque constant K
T
[Nm/A]
3.64
3.26
2.21
3.64
3.26
2.21
Voltage constant K
E
[V/1000 rpm]
219.91
196.87
134.04
219.91
196.87
134.04
Stator resistance R
2ph
[Ω]
0.083
0.062
0.03
0.066
0.045
0.022
Stator inductance L
2ph
[mH]
2.95
2.22
1.06
2.4
1.7
0.83
Electrical time constant t
el
[ms]
35
36
35
36
37.8
37
Thermal time constant t
therm
[min]
67
69
Moment of inertia J [kgcm
2
]
497
622
Weight without brake m [kg]
183
171
183
216
204
216
Holding brake
Holding torque of brake M
Br
[Nm]
0
Mass of brake [kg]
0
Moment of inertia of brake J
Br
[kgcm
2
]
0
Recommendations
ACOPOS 8Vxxxx.xx...
128M
-
128M
-
ACOPOSmulti 8BVIxxxx...
1650
-
Cross section for B&R motor cables
[mm
2
]
25
35
70
50
70
NOTE about servo drives:
The recommended servo drive / inverter module is designed for 1.1x the stall current. If more than double the amount is needed during
the acceleration phase, the next larger servo drive should be selected. This recommendation is only a guideline; detailed inspection of the corresponding speed/
torque characteristic curve can result in deviations of the servo drive size (larger or smaller).
NOTE about cable cross section:
The B&R motor cables with this cable cross section are produced optimally (cables stripped to the correct length) for the
ACOPOS servo drive or the recommended ACOPOS inverter module. B&R motor cables with other cable cross sections can also be used (within the specified
terminal cross section range) and can be obtained from B&R in the desired design on request. Note the type of wiring.
