Siemens SIMOTICS S-1FK2 Series

Motor components and options
4.2 Options
1FK2 synchronous motors for SINAMICS S120
46 Configuration Manual, 06/2019, A5E46927724B AB
4.2.1.2
Technical specifications
The following table contains technical specifications of the holding brakes:
Note
The following specifications apply to control with 24
V DC.
Motor
Holding
torque
at 120 °C
Dyn. braking
torque
Rated
current
Opening
time
1)
Closing time
1)
Maximum
permissible
single operat-
ing energy
2)
Total operat-
ing energy
(service life)
M
4
/ Nm
M
1m
/ Nm
I
n
/ A
t
0
/ ms
t
c1
/ ms
W
max
/ J
W
total
/ kJ
For spring-loaded brake
1FK2❑03
1.3
1.3
0.4
90
20
62
5
1FK2❑04
3.3
3.3
0.5
110
30
270
35
For permanent-magnet brake
1FK2❑05
8
5
0.6
90
25
570
284
1FK2❑06
13
6.5
0.7
100
50
1550
774
1FK2❑08-3 19 12 0.8 100 40 2000 1800
1FK2❑08-4
1FK2❑08-5
32 17 0.9 200 60 4800 2400
1FK2❑10-3
32
17
0.9
200
60
6500
2400
1FK2❑10-4
1FK2❑10-5
55 26 1.0 220 60 8700 3800
1)
Valid for direct connection to S120 and internal switching. For external brake switching, a varistor has to be used.
2)
Maximum three EMERGENCY STOP operations in sequence, maximum 25% of all the emergency stops as high ener-
gy stop with W
max
.
Note
If the brake is switched in two stages (two clicks), the first switching point is decisive for
opening and the second for closing.
I
Current
t
Time
t
0
Opening time
t
c1
Closing time
A
Brake opened
Figure 4-1 Time-related terminologzy for braking operation