Technical Data 3Tk2853 - Siemens 3TK28 Manual

3.8.3.7

Technical data 3TK2853

EMC emitted interference
Item designation
according to DIN 40719 extendable after IEC 204-2
•
according to IEC 750
according to DIN EN 61346-2
•
Number of sensor inputs 1-channel or 2-channel
Design of the cascading
Type of the safety-related wiring of the inputs
Product feature transverse contact-secure
Safety Integrity Level (SIL) according to IEC 61508
SIL claim limit (for a subsystem) according to EN 62061
Safety integrity level (SIL) for delayed release circuit
according to IEC 61508
Performance Level (PL)
according to ISO 13849-1
•
for delayed release circuit according to ISO 13849-1
•
Category
according to EN 954-1
•
according to ISO 13849-1
•
Safety device type according to IEC 61508-2
Probability of dangerous failure per hour (PFHD) with high
demand rate according to EN 62061
T1 value for proof test interval or service life according
to IEC 61508
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
Description of the individual safety relays
3.8 3TK28 safety relays with contactor relay enabling circuits
3TK2853-2B...
IEC 60947-5-1, IEC 60000-4-3,
IEC 60000-4-5, IEC 60000-4-6
KT
F
1
cascading and in-service switching
single-channel and two-channel
Yes
SIL3
3
—
e
—
4
4
Type B
1/h 0.000000011
a 20
3TK2853-1B...
163