ABB
Abb AC Servo motors
| Motors and Generators
| ABB
53
4
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
3
4
1
2
2
3
4
5
6
1
0
TORQUE (Nm)
20
30
40
50
10
0
0
320 VDC BUS
1
2
3
0
SPEED (rpm) x 1000
TORQUE (lb-in.)
3
4
5
1
2
2
3
4
5
7
1
0
TORQUE (Nm)
20
30
40
50
60
10
0
0
320 VDC BUS
1
2
3
0
CURRENT (Amps)
BSM25C-1177MHC
BSM25C-2177MHC
Model number
BSM25C-1177MHC
BSM25C-2177MHC
General
Continuous stall torque
lb-in
18.6
23
Nm
2.1
2.6
Continuous current
amps
1.5
1.9
Peak torque
lb-in
55.8
69
Nm
6.3
7.8
Peak current
amps
4.5
5.7
Thermal resistance
°C/watt
1.44
1.24
Thermal time constant
Min
24
26.2
Mechanical time constant
msec
2.38
2.1
Electrical time constant
msec
3.98
3.73
Rated speed @ 300 volts
rpm
1800
1800
Rated speed @ 160 volts
rpm
900
900
Electrical
Torque constant
lb-in/amp
15.5
15.1
Nm/amp
1.75
1.71
Voltage constant
Vpk/krpm
150
146.5
Vrms/krpm
106.1
103.6
Resistance
ohms
26.7
19.4
Inductance
mH
106.3
72.3
Mechanical
Inertia
lb-in-s
2
0.00241
0.0028
Kg-cm
2
2.72
3.16
Maximum speed
rpm
7,000
7,000
Number of motor poles
—
4
4
Weight
lbs/Kg
11.1/5.0
14.4/6.5
BSM 25 & 33 series performance curves
Abb AC Servo motors