Siemens 3TK28 User Manual

Description of the individual safety relays
3.3 General technical data
3TK28 safety relays
18 Manual, 07/2016, NEB926157502000/RS-AB/003
3.3
General technical data
Technical data valid for all 3TK28 products in this manual.
Product brand name
SIRIUS
Product designation
Safety relay
Version of the product
for EMERGENCY STOP and protective doors
Installation environment with respect to EMC
The 3TK products are only suitable for Class A
environments. These devices can cause unwanted radio
interference in residential environments. The user is
required to implement appropriate measures in this
case.
IP degree of protection of the housing
IP40
IP degree of protection of the terminal
IP20
Touch protection against electric shock
V
Safe from finger-touch
Hardware failure tolerance / according to IEC 61508
1
Ambient temperature
•
during storage
•
during operation
°C -40 ... +80
-25 ... +60
Atmospheric pressure
•
according to SN 31205
hPa 900 ... 1060
Relative air humidity
•
during operation
% 10 ... 95
Maximum operating altitude above MSL
m
2000
Vibration resistance according to IEC 60068-2-6
5 ... 500 Hz: 0.75 mm
Shock resistance
15g / 11 ms
Rated impulse strength
V 4000
Mounting position
Any
Type of fixing
Snap-on mounting
Type of electrical connection
3TK28..-1....
screw-type
3TK28..-2....
spring-loaded
Certificate of suitability
•
TÜV / BG approval
•
UL certification
Yes
Yes
You will find further technical data in the Technical Data chapters of each product and in the
Dimension Drawings chapter.

Siemens 3TK28 Specifications

General

Type	Safety relay
Mounting Type	DIN rail mounting
Type of Voltage	AC/DC
Control Supply Voltage at DC	24 V
Performance Level According to EN ISO 13849-1	PL e
Category According to EN ISO 13849-1	Category 4
Mechanical Durability	10, 000, 000 cycles
Electrical Durability	100, 000 cycles
Protection Class	IP20
Product Function	Safety Monitoring
Suitability for Use	Emergency stop, safety doors
Supply Voltage Frequency	50/60 Hz
Control Supply Voltage at AC at 50 Hz	24 V
Control Supply Voltage at AC at 60 Hz	24 V
Stop Category	0
SIL According to IEC 61508	SILCL 3
Type of Electrical Connection	Screw Connection
Rated Control Supply Voltage	24 V