Technical specifications
INTORQ | BA 14.0168 | 11/2018 29
Size Rated torque
M
K
Q
E
1)
S
hue
Operating times
2)
DC-side engagement Disengaging
t
11
t
12
t
1
t
2
[Nm] [J] [1/h] [ms] [ms] [ms] [ms]
06 4 3000 79 15 13 28 45
08 8 7500 50 15 16 31 57
10 16 12000 40 28 19 47 76
12 32 24000 30 28 25 53 115
14 60 30000 28 17 25 42 210
16 80 36000 27 27 30 57 220
18 150 60000 20 33 45 78 270
20 260 80000 19 65 100 165 340
25 400 120000 15 110 120 230 390
Tab.10: Switching energy - operating frequency - operating times
1)
The maximum permissible friction energy Q
E
relates to the standard friction lining.
2)
These switching times are specified for usage of INTORQ bridge/half-wave rectifiers and coils with a connection
voltage of 205 V DC at s
LN
and 0.7 I
N
.
Engagement time
The transition from a brake-torque-free state to a holding-braking torque is not free of time lags.
For emergency braking, short engagement times for the brake are absolutely essential. The DC-side
switching in connection with a suitable spark suppressor must therefore be provided.
Engagement time: A braking torque reduction via the torque adjustment ring prolongs the engagement
time and reduces the disengagement time. An anti-magnetic pole shim is available when there is excess-
ive prolongation. This plate is installed between the stator and the armature plate. The plate reduces the
engagement time and prolongs the disengagement time.
Engagement time for AC-side switching: The engagement time is significantly prolonged (approx. 10 times
longer).
NOTICE
Connect the spark suppressors in parallel to the contact. If this is not admissible for safety
reasons (e.g. with hoists and lifts), the spark suppressor can also be connected in parallel
to the brake coil.
¾
If the drive system is operated with a frequency inverter so that the brake will not be de-energised be-
fore the motor is at standstill, AC switching is also possible (not applicable to emergency braking).
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