ABB
Abb AC Servo motors
| Motors and Generators
| ABB
29
2
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
320 VDC BUS
650 VDC BUS
12
3
6
9
15
0
TORQUE (Nm)
20
60
120
100
40
80
0
1
2
3
4
5
0
0
2
4
6
8
10
12
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
320 VDC BUS
650 VDC BUS
565 VDC BUS
12
3
6
9
15
0
TORQUE (Nm)
20
60
120
100
40
80
0
1
2
3
0
0
1
2
3
4
5
6
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
10
15
20
5
0
TORQUE (Nm)
20
40
60
100
120
140
160
180
200
80
0
160 VDC BUS
320 VDC BUS
1
2
3
4
5
0
0
5
10
15
20
25
30
BSM90C-2150
BSM90C-2250
BSM90C-375
Model number
BSM90C-2150
BSM90C-2250
BSM90C-375
General
Continuous stall torque
lb-in
46
46
69
Nm
5.2
5.2
7.8
Continuous current
amps
4.78
2.51
12
Peak torque
lb-in
138.1
138.1
207.1
Nm
15.6
15.6
23.4
Peak current
amps
12.2
6.4
30.8
Thermal resistance
°C/watt
0.9
0.9
0.87
Thermal time constant
Min
45
45
55
Mechanical time constant
msec
2.32
2.38
1.59
Electrical time constant
msec
2.96
3.29
3.84
Rated speed @ 300 volts
rpm
2000
1200
4000
Rated speed @ 600 volts
rpm
4000
2400
8000
Electrical
Torque constant
lb-in/amp
12.2
21.6
6.7
Nm/amp
1.38
2.44
0.76
Voltage constant
Vpk/krpm
118.8
208.6
64.9
Vrms/krpm
84
147.5
45.9
Resistance
ohms
5
16
0.69
Inductance
mH
14.8
52.7
2.65
Mechanical
Inertia
lb-in-s
2
0.0078
0.0078
0.0117
Kg-cm
2
8.81
8.81
13.21
Maximum speed
rpm
7,000
7,000
7,000
Number of motor poles
—
8
8
8
Weight
lbs/Kg
23/10.5
23/10.5
30/13.6
BSM C-series performance curves
Abb AC Servo motors