Siemens 3TK28 - Page 30

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
30 Manual, 07/2016, NEB926157502000/RS-AB/003
Input data (L1-L2-L3)
Measurement/motor voltage
V Max. 690 AC (IEC), max. 600 AC (UL)
Input resistances
kΩ
Approx. 400
Reponse value Uan
mV Approx. 20 ... 400; settable
Standstill time ts
s
0.2 ... 6, settable
Figure 3-2 Derating table