ABB
Abb AC Servo motors
| Motors and Generators
| ABB
9
1
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
160 VDC BUS
320 VDC BUS
1
0.5
1.5
0
TORQUE (Nm)
0
5
10
15
1
2
3
4
5
6
7
0
0
1
2
3
4
5
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
320 VDC BUS
160 VDC BUS
650 VDC BUS
565 VDC BUS
1
0.5
1.5
0
TORQUE (Nm)
0
5
10
15
1
2
3
4
5
6
7
0
0
1
2
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
320 VDC BUS
160 VDC BUS
1
2
3
0
TORQUE (Nm)
0
10
20
30
0
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
0
BSM50N-133
BSM50N-175
BSM50N-233
BSM N-series performance curves
Model number
BSM50N-133
BSM50N-175
BSM50N-233
General
Continuous stall torque
lb-in
3.9
3.9
7.9
Nm
0.45
0.45
0.9
Continuous current
amps
1.49
0.79
2.87
Peak torque
lb-in
15.9
15.9
32.3
Nm
1.8
1.8
3.65
Peak current
amps
5
2.52
9.91
Thermal resistance
°C/watt
3
3
2.6
Thermal time constant
Min
7
7
11
Mechanical time constant
msec
0.6
0.6
0.38
Electrical time constant
msec
1.3
1.3
2.1
Rated speed @ 300 volts
rpm
7500
4000
7500
Rated speed @ 160 volts
rpm
4000
1000
4000
Electrical
Torque constant
lb-in/amp
3.14
6.31
3.25
Nm/amp
0.35
0.71
0.36
Voltage constant
Vpk/krpm
30.37
60.94
32
Vrms/krpm
21.48
43.1
22.7
Resistance
ohms
11.95
47.5
4
Inductance
mH
16.5
63.5
8.3
Mechanical
Inertia
lb-in-s
2
0.00006
0.00006
0.00011
Kg-cm
2
0.0677
0.0677
0.124
Maximum speed (1)
rpm
10,000
10,000
10,000
Number of motor poles
—
4
4
4
Weight
lbs/Kg
2.4/1.1
2.4/1.1
3.4/1.6
(1) Maximum speed can be limited by bus volts and feedback types.
Abb AC Servo motors