steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Part Number | 3TK2841-1BB40 |
| Alternative Part Number | 3TK28411BB40 |
| Manufacturer | Siemens |
| Product Family | Safety Relay |
| Supply Voltage | 24 V DC |
| Mounting Type | Screw and Snap-on Mounting |
| Dimensions | Width: 22.5 mm, Height: 100 mm, Depth: 88 mm |
| Electrical Connection | Screw-type Terminals |
| Conductor Cross-section | Solid: 1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²), Stranded: 2x (20 ... 14) |
| Product Functions | Light barrier, protective door, automatic start, laser scanner, light grid, emergency stop, and step mat monitoring |
| Safety Integrity Level (SIL) | SIL3 |
| Performance Level (PL) | PL e |
| Category | Category 4 according to EN ISO 13849-1 |
| Hardware Fault Tolerance | 1 |
| Safety Device Type | Type B according to IEC 61508-2 |
| Ambient Operating Temperature | -25 … +60 °C |
| Protection Class IP | Enclosure: IP40, Terminal: IP20 |
| Certificates/Approvals | UL, CSA, TÜV, BG BIA, and others |
The safety relay operates at a control supply voltage of 24 V DC.
Yes, the safety relay is designed for flexible installation and can be mounted in any position.
It supports screw-type terminals for secure and reliable electrical connections.
The safety relay has a width of 22.5 mm, making it suitable for compact installation spaces.
Yes, the safety relay is designed for emergency stop functions, ensuring safe and reliable operation in critical situations.
The safety relay can be installed at a maximum altitude of 2,000 meters above sea level.
The safety relay can operate within an ambient temperature range of -25 to +60 degrees Celsius.
Yes, the housing of the safety relay has a protection class rating of IP40, and the terminal has a rating of IP20.
This safety relay has a Safety Integrity Level (SIL) of 3, according to IEC 61508.
Yes, it is suitable for light barrier monitoring applications.
The safety relay has a Performance Level (PL) rating of 'e' according to EN ISO 13849-1.
This product is suitable for Class A environments only and may cause radio-frequency interference in residential environments, which may require the user to take appropriate measures.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
No hassle returns policy
Dedicated customer support team
We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Global supplier of quality automation and control components
Dispose of your old unit by exchanging it for a working part.
A comprehensive repair service for faulty equipment.
Discover how we do our part to keep your production lines moving.