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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 |
Explains the manual's objective and content for 3TK28 safety relays.
Lists essential knowledge areas for understanding the manual.
States the manual's validity for current 3TK28 safety relays.
Defines "3TK28" as applying to all variants of the safety relays.
Outlines manufacturer's responsibility for system design and product use.
Specifies the allowed applications and conditions for 3TK28 hardware products.
Advises on staying updated with safety information via Siemens newsletters.
Declares compliance of SIRIUS 3TK series safety components with EC Directives.
Provides critical safety precautions for handling, installation, and operation.
States that 3TK28 components are unsuitable for hazardous areas.
Introduces SIRIUS 3TK28 safety relays for autonomous safety applications.
Presents tables summarizing different 3TK28 safety relay types and features.
Lists technical specifications applicable to all 3TK28 products.
Provides sensor-evaluation unit distances for various 3TK28 devices.
Explains the operational principles of relay, solid-state, and contactor circuits.
Details safety relays using relay enabling circuits, including types and functions.
Details safety relays using solid-state enabling circuits, including types and functions.
Details safety relays using contactor relay enabling circuits, including types and functions.
Lists critical warnings before installation, wiring, and commissioning.
Describes the procedure for mounting devices onto a DIN rail.
Details the requirements and procedure for mounting on a level surface.
Explains how to safely remove the device from its mounting.
Specifies connection data for terminal blocks based on type.
Provides step-by-step instructions for connecting terminal blocks.
Explains how to safely disconnect terminal blocks and the device.
Describes the procedure for inserting removable terminal blocks.
Presents dimensional drawings for various 3TK28 models.
Lists available accessories for 3TK28 devices with article numbers.
