SIEMENS 3TK2825-1BB40 Industrial Safety Relay Module
The Siemens 3TK2825-1BB40 is a high-performance safety relay module engineered for critical industrial control systems. It provides fail-safe monitoring of safety devices like emergency stops, light curtains, and safety gates, ensuring operational integrity in manufacturing, robotics, and heavy machinery applications. With robust construction and intelligent diagnostics, it delivers seamless integration into automation networks while meeting stringent safety standards.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 3TK2825-1BB40 |
| Input Voltage | 24 V DC |
| Contact Rating | 10 A |
| Protection Rating | IP65 |
| Temperature Range | -25°C to +60°C |
| Certifications | CE, UL, RoHS |


Application Scenarios
This safety relay is essential for:
- Machine safety systems requiring SIL 3/PLe compliance
- Production lines with robotic workcells
- Presses, conveyors, and material handling systems
- Integrated with Siemens SIMATIC PLCs and S7-1500 systems
Commonly paired with: 3SB3 emergency stops, 3SE5 position switches, and Sirius contactors.
Why Choose Vertex Industrial?
Vertex Industrial sources premium industrial automation hardware from global suppliers, specializing in Siemens, Rockwell, and Schneider Electric components. Our technical team provides:
- Pre-sales engineering support for system integration
- 1-year performance warranty on all products
- Expedited global shipping from multiple warehouses
- Custom sourcing for discontinued or hard-to-find models
Actual pricing and availability: Contact us via WhatsApp or email anikaqx@gmail.com for immediate response.

















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