Datasheet

Product Data Sheet 3254 J/37H3U
01/31/2019 page 6 of 11
Features Note Values
Alarm operating voltage U
BA
30 V
Alarm signal Low U
A low
I sink: 2 mA <= 0,4 V
Alarm signal High U
A high
I source: 0 mA 60 V
Maximum sink current I
sink
<= 10 mA
External resistor
External resistor Ra from UBA to UA required. All voltage measured
to GND.
Alarm start-up delay time t
6
<= 1 s
Alarm trip speed limit n
G
0 1/min
3.3 Electrical Features
Electronic function Speed-Controlled
Reversed polarity protection Rectifying diode
Max. residual current at U
N
I
F
<= 200 uA
Locked rotor protection Auto restart
Locked rotor current at U
N
I
block
approx. 3.600 mA
Clock signal at locked rotor t
3
/ t
4
typical: 1 s / 9 s
First pulse t5 typical 1,6s (1,3 .. 1,9s) followed by t4. Afterwards cyclical t3/t4.