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Technical specifications
3.3
Rating (design data)
Abb. 2
Operating times of the spring-applied brakes
t
t
M
Type
Rated
torque
M
K
[Nm]
BFK464-17S
2 x 140
BFK464-18S
2 x 225
BFK464-18S.2
2 x 165
BFK464-19S
2 x 280
BFK464-20S
2 x 325
BFK464-20S.1
2 x 275
BFK464-22S
2 x 450
BFK464-25S
2 x 600
BFK464-25S.1
2 x 500
BFK464-28S
2 x 900
Tab. 3:
Switching energy - operating frequency - operating times
1)
Minimum brake torque with run-in friction components at n=100 r/min
2)
Typical values
3)
Measured with induced voltage limitation of -800 V DC
4)
Max. speed according to EC-type examination certificate (for higher speeds, contact with the manufac-
turer is required)
INTORQ | BA 14.0197 | 04/2016
Engagement time
1
Disengagement time (up to M = 0.1 M
2
Braking torque at a constant speed of rotation
dyn
Max. perm.
switching energy
switching frequency
1)
Q
E
[J]
42000
60000
68000
80000
90000
120000
180000
t
Reaction delay of engagement
11
)
t
Rise time of the braking torque
dyn
12
U
Voltage
Transitional
Operating times [ms]
Engaging
S
DC side
hue
t
11
[1/h]
25
14
10
20
15
12
19
14
22
18
24
15
15
37
14
14
2)
at s
and 0.7 I
LN
N
Disengaging
3)
t
t
t
12
1
2
72
150
58
68
170
45
60
180
50
62
190
70
84
60
82
180
70
94
230
90
105
280
95
132
230
98
112
300
Max.
4)
speed
n
max
[r/min]
700
455
800
455
600
800
455
18
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