Siemens 3TK28 06-0BB4 Safety Relay Module
Shop the Siemens 3TK2806-0BB4 SIRIUS safety relay expansion module. This 24V DC unit features 5 NO enabling contacts and is designed for DIN rail mounting to expand machine safety circuits.
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Siemens 3TK28 06-0BB4 Safety Relay Module
The Siemens 3TK28 06-0BB4 is a reliable safety combination unit from the SIRIUS 3TK28 series, designed for contactor expansion in safety-related applications. This module is used to increase the number of enabling circuits available from a base safety relay, allowing for the safe shutdown of multiple machine components simultaneously. Operating on a 24V DC supply, it provides five normally open (NO) contacts to reliably control downstream contactors or actuators. Its compact design allows for easy snap-on mounting onto a standard DIN rail, making it an ideal solution for expanding and implementing comprehensive machine safety systems in accordance with international standards.
Technical Specifications:
- Brand: Siemens
- Model: 3TK2806-0BB4
- Product Type: Safety Combination Unit (Contactor Expansion)
- Series: SIRIUS 3TK28
- Control Supply Voltage: 24V DC
- Outputs: 5 x NO (Normally Open) enabling contacts
- Termination Type: Screw terminals
- Mounting: DIN Rail

| Brand | Siemens |
|---|---|
| Model | 3TK28 06-0BB4 |
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