ABB
Abb AC Servo motors
| Motors and Generators
| ABB
47
3
SSBSM stainless series performance curves
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
TORQUE (Nm)
160 VDC BUS
320 VDC BUS
1
2
3
4
5
0
0
2
4
6
8
10
0
2
4
6
8
10
12
0
10
20
30
40
50
60
70
80
90
SSBSM80C-475
SSBSM50N-175
Model number
SSBSM80C-475
SSBSM50N-175
General
Continuous stall torque
lb-in
30.1
3.9
Nm
3.4
0.45
Continuous current
amps
5.3
0.79
Peak torque
lb-in
90.3
15.9
Nm
10.2
1.8
Peak current
amps
13.6
2.5
Thermal resistance
°C/watt
1.82
2.85
Thermal time constant
Min
32
7
Mechanical time constant
msec
2.42
0.6
Electrical time constant
msec
3.16
1.3
Rated speed @ 300 volts
rpm
4000
4000
Rated speed @ 160 volts
rpm
2130
2130
Electrical
Torque constant
lb-in/amp
6.7
6.31
Nm/amp
0.76
0.71
Voltage constant
Vpk/krpm
65.2
60.94
Vrms/krpm
46
43.1
Resistance
ohms
1.9
47.5
Inductance
mH
6.2
63.5
Mechanical
Inertia
lb-in-s
2
0.0066
0.00006
Kg-cm
2
7.45
0.0677
Maximum speed (1)
rpm
10,000
10,000
Number of motor poles
—
4
4
Weight
lbs/Kg
21/9.5
5/2.3
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
1
2
TORQUE (Nm)
0
0
1
160 VDC BUS
565 VDC BUS
320 VDC BUS
650 VDC BUS
0
2
4
6
8
10
12
14
0
1
2
3
4
5
6
7
(1) Maximum speed can be limited by bus volts and feedback types.
Abb AC Servo motors