Siemens 3TK28 - 3 TK28 Relay Cable Lengths

Description of the individual safety relays
3.4 Cable lengths
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
19
3.4
Cable lengths
The cable lengths specified in the table are valid for a cable cross-section of 1.5 mm².
Sensor - evaluation unit distance for 3TK28 devices
Sensor - evaluation unit distance
in meters (1-channel)
Sensor - evaluation unit distance
in meters (2-channel)
3TK2805 150 150
3TK2806
150
150
3TK2820 (DC)
1000
1000
3TK2820 (AC)
1000
1000
3TK2821
1000
500
3TK2822 / 23
-
500
3TK2824 (DC) 1000 500
3TK2824 (AC)
1000
500
3TK2825
1000
500
3TK2827 / 28
1000
500
3TK2830-.CB30
1000 *
500
3TK2830-.AJ20
300 *
150
3TK2830-.AL20
80 *
40
3TK2834
-
500
3TK2840
2000
2000
3TK2841 2000 2000
3TK2842
2000
2000
3TK2850 / 51 / 52
2000
2000
3TK2853
2000
2000
3TK2856 / 57
1000*
-
* only for protected installation if not in the same switchboard as the basic unit