Siemens SIRIUS 3TK28 Safety Relay, 24V dc, Single Channel, 2 Safety Contacts
Technical Document
Specifications
Brand
SiemensSupply Voltage
24V dc
Number of Channels
1
Safety Contacts
2
Function
Speed/Standstill Monitoring
Auxiliary Contacts
1
Reset Method
Automatic
Range
SIRIUS
Terminal Type
Screw
Series
3TK28
Width
44.8mm
Safety Category
4
Depth
120mm
Performance Level
e
Length
138.5mm
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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Technical Document
Specifications
Brand
SiemensSupply Voltage
24V dc
Number of Channels
1
Safety Contacts
2
Function
Speed/Standstill Monitoring
Auxiliary Contacts
1
Reset Method
Automatic
Range
SIRIUS
Terminal Type
Screw
Series
3TK28
Width
44.8mm
Safety Category
4
Depth
120mm
Performance Level
e
Length
138.5mm
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.
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products