Siemens 3TK28 - Technical Data 3 TK2840

Description of the individual safety relays
3.7 3TK28 safety relays with solid-state enabling circuits
3TK28 safety relays
114 Manual, 07/2016, NEB926157502000/RS-AB/003
3.7.1.7
Technical data 3TK2840
3TK2840-1B...
3TK2840-2B...
EMC emitted interference
EN 60947-5-1, EN 61000-6-2, EN 61000-6-4
Item designation
• according to DIN 40719 extendable after
IEC 204-2 according to IEC 750
KT
• according to DIN EN 61346-2
F
Number of sensor inputs 1-channel or 2-channel
1
Design of the cascading
none
Type of the safety-related wiring of the inputs
single-channel and two-channel
Product feature transverse contact-secure
Yes
Safety Integrity Level (SIL) according to IEC 61508
SIL2
SIL claim limit (for a subsystem)
according to
EN 62061
2
Safety integrity level (SIL)
for delayed release circuit
according to IEC 61508
—
Performance Level (PL)
• according to ISO 13849-1
d
• for delayed release circuit according to ISO
13849-1
—
Category
• according to EN 954-1
3
• according to ISO 13849-1
3
Safety device type according to IEC 61508-2
Type B
Probability of dangerous failure per hour (PFHD)
with high demand rate according to EN 62061
1/h 0.000000011
T1 value
for proof test interval or service life
according to IEC 61508
a 20
Number of outputs
as contact-less semiconductor
switching element
• for reporting function
– non-delayed
0
– delayed switching
0
• safety-related
– non-delayed
2
– delayed switching
0
Stop category according to DIN EN 60204-1
0