INTORQ BFK458 - Switching Times

Technical specifications
INTORQ | BA 14.0168 | 11/2018 28
Size Electrical power
P
20
1)
Coil voltage
U
Coil resistance
R
20
±8%
Rated current
I
N
[W] [V] [Ω] [A]
25 110
24 5.24 4.58
96 83.8 1.14
103 96.5 1.06
170 262.7 0.647
180 294.6 0.611
190 328.2 0.578
205 382.1 0.536
Tab.9: Rated data for coil powers
1)
Coil power at 20 °C in W, deviation up to +10% is possible depending on the selected connection voltage.
4.4 Switching times
The switching times listed here are guide values which apply to DC switching with rated air gap s
LN
, warm
coil and standard characteristic torque. The switching times given are mean values and subject to vari-
ations. The engagement time t
1
is approximately 8 to 10 times longer for AC switching.
Fig.4: Operating/switching times of the spring-applied brakes
t
1
Engagement time
t
11
Delay time during engagement
t
2
Disengagement time (up to M = 0.1 M
dyn
)
t
12
Rise time of the brake torque
M
dyn
Braking torque at a constant speed of rotation
U
Voltage