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Product function
automatic start
•
rotation speed monitoring
•
laser scanner monitoring
•
light grid monitoring
•
light barrier monitoring
•
magnetic switch monitoring Normally closed contact-Normally
•
open contact
magnetic switch monitoring Normally closed contact-Normally
•
closed contact
emergency stop function
•
protective door monitoring
•
standstill monitoring
•
step mat monitoring
•
monitored start-up
•
Acceptability for application
safety-related circuits
•
safety cut-out switch
•
magnetically operated switches monitoring
•
EMERGENCY-OFF circuit monitoring
•
proximity switches monitoring
•
opto-electronical protection device monitoring
•
position switch monitoring
•
tactile sensor monitoring
•
valve monitoring
•
Utilization category
acc. to DIN EN / IEC 60947-5-1
AC-15
DC-13
Continuous current I
th
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
Rated operational voltage
U
[V]
e
230
24
115
230
Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK2830-.A...
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
Rated operational current I
if all enabling circuits are loaded
40 °C
50 °C
5
4
5
4
0.2
0.2
0.1
0.1
5
4
3TK2830-.C...
[A]
e
60 °C
70 °C
3.5
3
3.5
3
0.2
0.2
0.1
0.1
3.5
3
101
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