SIEMENS
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Siemens CR 1 · 2015
7
SIMOTICS motors for cranes
SIMOTICS SD – Severe Duty motors
KFB spring-set brake for SIMOTICS SD 1LP4, 1LP6
■
Technical specifications
The normal version of the brake is supplied for a coil voltage of
207 V DC. Voltages of 110 V DC and 180 V DC are also availa-
ble at no extra cost (please state in plain text in the order). Other
coil voltages on request.
KFB spring-set brakes
Type
KFB 10
KFB 16
KFB 25
KFB 30
KFB 40
KFB 63
KFB 100
KFB 160
Braking torque
Nm
100
160
250
300
400
630
1000
1600
Permissible speed
rpm
6000
6000
6000
6000
5500
4700
4000
3600
Rated voltage
1)
V DC
207
207
207
207
207
207
207
207
Rated output
W
100
118
160
154
188
206
316
340
Rated current
A
0.48
0.57
0.77
0.74
0.91
1
1.53
1.64
Moment of inertia
kgm
2
0.0017
0.0037
0.0048
0.0055
0.0068
0.017
0.036
0.05
Weight, approx.
kg
19
28
42
50
55
74
106
168
Energy capability
Q
• at
n
= 1500 rpm/z = 1
kJ
88
126
169
167
216
235
321
331
• at
n
= 1500 rpm/z = 100
kJ
8
11.7
12.6
13.8
14.5
18.4
27.1
34.8
Closing time
t
1
2)
ms
55
75
80
85
90
120
135
195
Release time
t
2
2)
ms
128
173
239
245
251
342
375
498
Q
Energy capability per braking operation [kJ per switching operation]
n
Speed [rpm]
z
Braking operations per hour [1/h]
t
1
Closing time: Time from power OFF until 90 % of rated braking torque
is reached
t
2
Release time: Time from power ON until 10 % of rated braking torque
is reached
t
Measured at 20 °C
1)
Rated voltage according to DIN IEC 38 with tolerances of +6 % and -10 %
according to DIN VDE 0580.
2)
Switching time terms defined according to DIN VDE 0580, Closing
time
t
1
= Connection time
t
1
, Release time
t
2
= Disconnection time
t
2
© Siemens AG 2015