Siemens 3TK28 - Page 17

Description of the individual safety relays
3.2 Overview
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
17
3TK28 multifunctional devices
3TK28..
26
45
SENSORS
Electromechanical X X
Solid-state
X
X
Magnetically-operated switches X X
START TYPE
Auto
X
X
Monitored
X
X
ENABLING CIRCUITS
Instantaneous
See manual
3TK2826
See manual
3TK2845
Delayed
SIGNALING CIRCUITS
Relay
See manual
3TK2826
See manual
3TK2845
Solid-state
Max. achievable SIL acc. to
IEC 61508 / IEC 62061
3 3
Max. achievable PL acc. to
EN ISO 13849-1
e e
You will find further information on 3TK2826 in Manual 3TK2826
(http://support.automation.siemens.com/WW/view/en/24044904)
You will find further information on 3TK2845 in Manual 3TK2845
(http://support.automation.siemens.com/WW/view/en/25613330)
You will find comprehensive help with selecting products in Catalog IC10
(www.siemens.com/industrial-controls/catalogs)