Siemens SIRIUS 3TK28 Safety Relay, 24V ac, Single/Dual-Channel, 4 Safety Contacts
Technical Document
Specifications
Brand
SiemensSupply Voltage
24V ac
Number of Channels
1, 2
Safety Contacts
4
Function
Speed/Standstill Monitoring
Range
SIRIUS
Series
3TK28
Width
44.8mm
Safety Category
3
Depth
120mm
Performance Level
d
Length
138.5mm
Country of Origin
Germany
Product details
SIRIUS 3TK28 27/28 Safety Relays with Timed Delay
The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.
Standard relay enable circuits (positively driven)
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm
Standards
EN 60204-1, EN 92, EN 954-1.
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P.O.A.
1
RS Components & Controls (I) Ltd
Distribution hub - B-89, Sector 67, Noida, Gautam Budh Nagar, (Uttar Pradesh), 201 301
P.O.A.
1
Technical Document
Specifications
Brand
SiemensSupply Voltage
24V ac
Number of Channels
1, 2
Safety Contacts
4
Function
Speed/Standstill Monitoring
Range
SIRIUS
Series
3TK28
Width
44.8mm
Safety Category
3
Depth
120mm
Performance Level
d
Length
138.5mm
Country of Origin
Germany
Product details
SIRIUS 3TK28 27/28 Safety Relays with Timed Delay
The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.
Standard relay enable circuits (positively driven)
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm
Standards
EN 60204-1, EN 92, EN 954-1.