Technical data
244 8LS...-3 user's manual V2.50
Model number 8LSO95.
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8LSO95.
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8LSO95.
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8LSO96.
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8LSO96.
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8LSO96.
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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] 183 123 229 165
Nominal power P
N
[W] 24913 28746 28337 31175 35971 38013
Nominal current I
N
[A] 50 56 55.7 62 70 74.7
Stall torque M
0
[Nm] 240 300
Stall current I
0
[A] 65 74 108.6 82 92 135.7
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] 171 183 204 216
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 -
ACOPOSmulti 8BVIxxxx... 0880 1650
Cross section for B&R motor cables
[mm
2
]
16 25 50 25 35 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.
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General