INTORQ BFK471-25, Перевод оригинальной инструкции по эксплуатации

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Technical specifications
INTORQ | BA 14.0200 | 02/2016 17
Disengagement time
The disengagement time is the same for DC and AC switching. The specified disengagement times always
refer to control using over-excitation (i.e. current feed with U
L
= U
N
(potential difference across air gap = rated
coil voltage).
1)
Measured with induced voltage limitation of -150 V DC
Fig. 3 Operating/switching times of the spring-applied brakes
Type
BFK471-25
Rated torque
Max. perm.
friction
energy
Transitional
switching
frequency
Switching times [ms]
1)
at s
LN
and 0.7 I
N
M
dyn
Q
E
S
hue
Engaging
DC side
1)
Disengaging
Design
[Nm] [J] [1/h] t
11
t
12
t
1
t
2
s
LN
t
2
s
Lmax.
with one rotor 750 90000 16
120 200 320
350
1050
double rotor 1500 180000 8 450
Tab. 7: Friction work - switching frequency - switching times
t
1
Engagement time t
11
Reaction delay of engagement
t
2
Disengagement time (up to M = 0.1 M
dyn
) t
12
Rise time of the braking torque
M
dyn
Braking torque at a constant speed of rotation U Voltage