Bosch rexroth MBT, Manual

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4.12 Frame size 450
4.12.1 Data sheet MST450
Designation Symbol Unit
MST450B MST450D
0012-F 0006-F 0012-F
Standstill torque
M
0
Nm 640 965
Standstill current
I
0
A 24.4 21.7 36.7
Rated torque
M
N
Nm 540.0 810.0
Rated power
P
N
kW 10.50 8.10 16.10
Rated current
I
N
A 20.4 18.1 31.0
Rated speed
n
N
min -1
185 95 190
Maximum torque M
max
Nm 1350 2075
Maximum current I
max
A 65.0 60.0 100.0
Max. speed (electrical)
n
max
min -1 350
Power wire cross-section A mm 2 2.5 6.0
Torque constant at 20 °C K
M_N
Nm/A 26.23 44.47 26.29
Voltage constant at 20 °C
K
EMK_1
V/min -1 1.455 2.500 1.455
Thermal time constant
T
th_nom
min 6.0
Winding resistance at 20 °C
R
12
Ohm 2.4 3.9 1.4
Winding inductance
L
12
mH 17.8 31.0 11.2
Leakage capacitance of the com‐
ponent
C
ab
nF 9.6 14.5
Number of pole pairs p - 30
Details about liquid cooling
Power dissipation
P
V
kW 3.00 4.00
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 4.3 5.7
Pressure drop at Q
min
Δp bar 0.1
Volume of coolant duct
V
cool
l 0.33 0.48
Maximum allowed inlet pressure
p
max
bar 6.0
Latest amendment: 2020-11-27
Tab. 4-23: MST450B/ -D - Technical data
MBT High Synchronous Torque Motors 69/409
Technical data
R911298798_Edition 08 Bosch Rexroth AG