3TK2827-1BB40 Siemens Overview
3TK2827-1BB40 Siemens is a SIRIUS safety relay designed for reliable machine safety and emergency stop applications in industrial automation systems. It is commonly used in control panels, safety circuits, and machinery where dependable monitoring of safety devices is required.
Siemens designed this safety relay for applications such as Emergency Stop circuits, safety doors, and protective switching devices. In addition, the unit operates with a 24V DC supply voltage and offers monitored start functionality, which helps improve safety during machine restart conditions. The module also provides delayed safety outputs with an adjustable delay range from 0.05 to 30 seconds, making it suitable for controlled machine stop sequences.
Key Features of 3TK2827-1BB40 Siemens
- SIRIUS safety relay for machine safety applications
- 24V DC control supply voltage
- Suitable for Emergency Stop and safety door circuits
- Monitored start function
- Delayed output function: 0.05 to 30 seconds
- Screw terminal connection
- Compact 45 mm housing width
- Reliable Siemens safety control performance
Applications of 3TK2827-1BB40 Siemens
Engineers use 3TK2827-1BB40 Siemens in machine safety panels, packaging machines, conveyors, production lines, industrial doors, and automated systems that require controlled shutdown and restart safety monitoring. For example, this relay can monitor emergency stop buttons, guard door switches, and other safety-related field devices in industrial environments.
Because safety relays are critical for protecting personnel and machinery, this Siemens SIRIUS model is a practical choice for OEM machine builders, maintenance engineers, and industrial panel builders..
Technical Specifications of 3TK2827-1BB40 Siemens
- Brand: Siemens
- Part Number: 3TK2827-1BB40
- Series: SIRIUS
- Product Type: Safety Relay
- Supply Voltage: 24V DC
- Start Type: Monitored start
- Delay Range: 0.05 to 30 s
- Terminal Type: Screw terminals
- Housing Width: 45 mm
- Main Use: Emergency Stop and safety monitoring
Note: 3TK2827-1BB40 Siemens is commonly used as a machine safety relay for emergency stop and delayed shutdown safety circuits.
This safety relay is often used as a replacement spare part in existing Siemens SIRIUS safety control panels.
Why Choose 3TK2827-1BB40 Siemens?
This Siemens SIRIUS safety relay gives engineers a dependable solution for machine safety control and monitored shutdown applications. Therefore, it is a strong choice for safety control panels, industrial machines, and automation systems that require trusted Siemens protection and reliable safety logic.
References & Documentation
For official Siemens manuals and datasheets, visit Siemens Industry Support.
