Siemens 3TK28 - Page 83

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
83
OFF-delay times
The table below provides an overview of the OFF-delay times t
v
Table 3- 3 3TK2827
Rated control supply voltage
U
S
[V]
Start type
OFF delay t
V
[s]
Article No. Screw-type
Article No.
Spring-loaded
24 V DC
Monitored
0,05 ... 3
3TK2827-1BB41
3TK2827-2BB41
24 V AC Monitored 0,05 ... 3 3TK2827-1AB21 3TK2827-2AB21
115 V AC
Monitored
0,05 ... 3
3TK2827-1AJ21
3TK2827-2AJ21
230 V AC Monitored 0,05 ... 3 3TK2827-1AL21 3TK2827-2AL21
24 V DC
Monitored
0,05 ... 30
3TK2827-1BB40
3TK2827-2BB40
24 V AC
Monitored
0,05 ... 30
3TK2827-1AB20
3TK2827-2AB20
115 V AC
Monitored
0,05 ... 30
3TK2827-1AJ20
3TK2827-2AJ20
230 V AC
Monitored
0,05 ... 30
3TK2827-1AL20
3TK2827-2AL20
Table 3- 4 3TK2828
Rated control supply voltage
U
S
[V]
Start type
OFF delay t
V
[s]
Article No. Screw-type
Article No.
Spring-loaded
24 V DC
Auto
0,05 ... 3
3TK2828-1BB41
3TK2828-2BB41
24 V AC
Auto
0,05 ... 3
3TK2828-1AB21
3TK2828-2AB21
115 V AC
Auto
0,05 ... 3
3TK2828-1AJ21
3TK2828-2AJ21
230 V AC
Auto
0,05 ... 3
3TK2828-1AL21
3TK2828-2AL21
24 V DC
Auto
0,05 ... 30
3TK2828-1BB40
3TK2828-2BB40
24 V AC
Auto
0,05 ... 30
3TK2828-1AB20
3TK2828-2AB20
115 V AC
Auto
0,05 ... 30
3TK2828-1AJ20
3TK2828-2AJ20
230 V AC
Auto
0,05 ... 30
3TK2828-1AL20
3TK2828-2AL20