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Motor
Brake
Code
Holding
Torque Nm
(lb-in)
BSM50N
1 .1 (10)
BSM63N
2 (18)
BSM80
4 .5 (40)
BSM90
15 .8 (140)
BSM100
39 .5 (350)
BSM25C
1 .7 (15)
BSM33C
15 .8 (140)
BSM132C
101 .7 (900)
Note: All standard brakes used on BSM motors are 24 Vdc . The application needs to provide this voltage to release
the brake . The brake is a safety brake only and not intended to be used to decelerate loads . Contact ABB for details .
Detailed engineering drawings are available upon request .
Electrical Connections
Overview Figure 2-7 shows typical connections to a control. Note all wiring should be
600volts.
Motor Temperature Input
Holding Brake Connector
Motor
Connector
Feedback
Connector
Control
MN1240
Table 2-1 Brake Specifications
Brake data for BSM and SSBSM
Watts
Brake
voltage
(Vdc)
12 .4
24
17
24
17
24
22
24
19
24
9 .6
24
21 .6
24
76
24
Figure 2-7 Typical Connections to Motor Control
Shielded
Twisted Pair Wire
Motor Ground Wire
Shielded Motor Cable
Shielded
Twisted Pair Wire
Single Point Ground
Brake
Set
current
Time
(amps)
(ms)
0 .52
3
0 .71
16
0 .71
9
0 .92
14
0 .79
22
0 .4
16
0 .9
14
3 .17
129
All wiring should have 600V rated insulation.
Release
Brake inertia
Time
Kg-cm²
(ms)
(lb-in-s²)
20
0 .019 (0 .000017)
43
0 .018 (0 .000016)
48
0 .125 (0 .000111)
110
0 .181 (0 .00016)
195
0 .723 (0 .00064)
27
0 .034 (0 .00003)
110
0 .181 (0 .00016)
163
17 .277 (0 .01529)
Motor
Temperature
Switch
Holding
Brake
V W
U
G
AC Motor
Feedback
Motor
2-8
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