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Motors and Generators | Abb AC Servo motors
BSM 25 & 33 series
The BSM 25/33 series allows many applications to make use of the advantages of brushless
technology, including higher torque in smaller packages, quieter operation, and less
maintenance. They have a continous stall torque range from 18.6 lb-in (2Nm) to 138 lb-
in (15.6 Nm) with available peak torques of 3 times continuous. This series will increase
productivity while providing reliability and durability. It provides equipment with more
competitive advantages in your market.
Brushless motors – BSM 25 & 33 series
Continuous stall torque
Continuous stall
amps
Speed RPM
@ 320V
1
HP @
1800 RPM
Motor
number
2
Motor inertia
lb-in
Nm
lb-in-s
2
Kg - cm
2
18.6
2.1
1.5
1800
1/4 HP
BSM25C-1177MHC
0.00241
2.72
23.0
2.6
1.90
1800
1/2 HP
BSM25C-2177MHC
0.0028
3.16
27.4
3.1
2.55
1800
1/2 HP
BSM33C-2177MHQ
0.00374
4.22
35.4
4
3.16
1800
1 HP
BSM33C-3177MHQ
0.00536
6.05
79.7
9
6.47
1800
1.5
BSM33C-4177MHQ
0.01033
11.66
99.1
11.2
9.15
1800
2 HP
BSM33C-5177MHQ
0.01212
13.68
138.1
15.6
14.23
1800
3 HP
BSM33C-6177MHQ
0.01859
20.99
Note
:
1
Nominal rpm shown at 320 Vdc bus for convenience. For 640 Vdc double the speed. Reference motor table to verify that max speed is not exceeded.
2
Moters shown with these options for convenience: H = Hall Sensor, C = Round face only, Q = Foot & Round Face.
For other options see BSM25/33 ID matrix under engineering information.
Abb AC Servo motors