Bosch rexroth MBT, Manual

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4.14 Frame size 531
4.14.1 Data sheet MST531
Designation Symbol Unit
MST531E MST531L-
0006-F 0018-F 0009-F
Standstill torque
M
0
Nm 2250 6750
Standstill current
I
0
A 38.2 95.6 132.3
Rated torque
M
N
Nm 2150.0 1800.0 5000.0
Rated power
P
N
kW 13.50 33.93 47.10
Rated current
I
N
A 36.5 76.5 98.0
Rated speed
n
N
min -1
60 180 90
Maximum torque M
max
Nm 5,000 12000
Maximum current I
max
A 95.0 210.0 240.0
Max. speed (electrical)
n
max
min -1 95 230 110
Power wire cross-section A mm 2 6.0 2x10.0 35.0
Torque constant at 20 °C K
M_N
Nm/A 58.90 23.59 51.00
Voltage constant at 20 °C
K
EMK_1
V/min -1 4.200 1.740 3.080
Thermal time constant
T
th_nom
min 7.0 6.0
Winding resistance at 20 °C
R
12
Ohm 2.43 0.45 0.53
Winding inductivity
L
12
mH 37.5 6.6 8
Leakage capacitance of the com‐
ponent
C
ab
nF 30.2 30.7 81.1
Number of pole pairs p - 25
Details about liquid cooling
Power dissipation
P
V
kW 6.97 8.09 11.50
Coolant inlet temperature
T
in
°C 10 ... 40
Permissible coolant temperature
increase for P
V
ΔT
max
K 10
Required coolant flow at P
V
Q
min
l/min 10.0 11.6 16.5
Pressure drop at Q
min
Δp bar 0.9 0.5 0.2
Volume of coolant duct
V
cool
l 1.08 3.40
Maximum allowed inlet pressure
p
max
bar 6.0
Latest amendment: 2018-04-26
Tab. 4-31: MST531 - Technical data
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Technical data
MBT High Synchronous Torque Motors
Bosch Rexroth AG R911298798_Edition 08