8
Technical data
Technical data of the BK.. brakes
Operating Instructions – CM3C63 – 100
102
8.2.2
Operating currents for BK.. brakes
BK05
BK06
BK08
BK1
Braking torque M
4, 100 °C
in Nm
3.8
7.1
7.8
16
Nominal power brake coil in W
13.4
15
14.1
18
Operating current in A
U
N
= 24 (21.6 – 26.4) VDC
0.56
0.63
0.59
0.75
BK2
BK3
BK4
BK6
Braking torque M
4, 100 °C
in Nm
18
30
30
46
Nominal power brake coil in W
19.2
22.5
22.5
24
Operating current in A
U
N
= 24 (21.6 – 26.4) VDC
0.8
0.94
0.94
1.0
M
4, 100 °C
Minimum static braking torque (holding torque) at 100 °C
U
N
Nominal voltage (rated voltage range)
When dimensioning the 24 V supply, it is not necessary to consider a current reserve
for releasing the brake, i.e. the ratio of inrush current to operating current is 1.
8.2.3
Resistance values of BK.. brake coils
BK05
BK06
BK08
BK1
Braking torque M
4, 100 °C
in Nm
3.8
7.1
7.8
16
Nominal power brake coil in W
13.4
15
14.1
18
Coil resistance R at 20 °C in Ω
U
N
= 24 (21.6 – 26.4) VDC
43
38
41
32
BK2
BK3
BK4
BK6
Braking torque M
4, 100 °C
in Nm
18
30
30
46
Nominal power brake coil in W
19.2
22.5
22.5
24
Coil resistance R at 20 °C in Ω
U
N
= 24 (21.6 – 26.4) VDC
30
26
26
24
M
4, 100 °C
Minimum static braking torque (holding torque) at 100 °C
R
Coil resistance at 20 °C
U
N
Nominal voltage (rated voltage range)
26870460/EN – 05/2021
