Product Description
Siemens SIRIUS 3TK28 Series
Machine Safety Relay
Part Number: 3TK2825-1AL20
This listing is for a genuine Siemens SIRIUS 3TK28 Safety Relay. This is a critical component for implementing machine safety circuits, designed to monitor Emergency Stop (E-STOP) pushbuttons and safety gates to ensure a safe and controlled shutdown in a hazardous situation.
Safety & Application Highlights
- Highest Safety Level: Meets standards up to PLe (EN ISO 13849-1) and SIL 3 (IEC 62061).
- Versatile Monitoring: Monitors both E-Stop circuits and protective safety doors/gates.
- Genuine Siemens Part: Guarantees certified safety performance and reliability.
- Flexible Power: Operates on 24V AC/DC for easy integration into control panels.
Technical Specifications
| Brand | Siemens |
|---|---|
| Product Family | SIRIUS 3TK28 |
| Part Number | 3TK2825-1AL20 |
| Component Type | Safety Relay |
| Supply Voltage | 24 V AC/DC |
| Safety Outputs | 3 x Normally Open (NO) |
| Signaling Output | 1 x Normally Closed (NC) |
Condition: Working Pull (Example)
This relay is a "Working Pull," professionally removed from a fully operational control cabinet. It has been tested and is guaranteed to be fully functional, offering the reliability of a field-proven safety component.
