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SIEMENS Safety Relay 3TK2828-1BB40 – Safety Switching Device
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SIEMENS Safety Relay 3TK2828-1BB40 – Safety Switching Device
High-reliability safety switching device for industrial automation, ensuring machine safety with rapid response and robust design.
| Brand | Siemens |
| Model | 3TK2828-1BB40 |
| Voltage | 24 V DC |
| Country of Origin | Germany |
| Weight | 0.25 kg |
| Dimensions | 45 x 100 x 120 mm |
| Warranty | 2 years |
| Certifications | CE, UL, CSA, TÜV |
| SKU / MPN | 3TK2828-1BB40 |
| What’s in the box | 1 x Safety relay, 1 x Instruction manual |
| Number of contacts | 3 normally open (NO) + 1 normally closed (NC) |
| Rated current | 6 A |
| Response time | < 20 ms |
| Protection class | IP20 |
| Operating temperature | -25°C to +60°C |
| Mounting type | DIN rail |
Key benefits: Compact design, high switching capacity, failsafe operation, easy integration with safety circuits.
Typical applications: Emergency stop circuits, safety gates, light curtains, two-hand control systems.
Order number: SIEMENS Safety Relay 3TK2828-1BB40 – Safety Switching Device
Lifecycle: Active
Documentation: https://support.industry.siemens.com/cs/ww/en/ps/3TK2828-1BB40
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