Siemens 6ES7408-1TB00-0XA0 Fan Subassembly for 18-Slot Subrack
The Siemens 6ES7408-1TB00-0XA0 Fan Subassembly is a critical cooling solution designed for 18-slot S7-400 series subracks. Operating at 120/230V AC, it ensures optimal thermal management in industrial control systems by efficiently dissipating heat from densely packed modules. This robust component extends equipment lifespan and prevents overheating failures in demanding environments like manufacturing plants and process control facilities.
Technical Specifications
| Manufacturer | Siemens |
| Model Number | 6ES7408-1TB00-0XA0 |
| Voltage Rating | 120/230V AC |
| Compatible Subrack | 18-slot S7-400 series |
| Operating Temperature | -25°C to +60°C |
| Humidity Tolerance | 5% to 95% (non-condensing) |
| Dimensions (W×D×H) | 105 × 100 × 75 mm |
| Weight | 0.5 kg |


Application & Compatibility
This fan subassembly is essential for maintaining thermal stability in Siemens S7-400 PLC systems deployed in high-temperature industrial environments. Key applications include:
- Automotive production line control cabinets
- Power generation turbine monitoring systems
- Chemical processing PLC racks
- Packaging machinery control units
Compatible with all 18-slot S7-400 subracks including UR1/UR2 series. Often paired with CPU modules like 6ES7412 and digital I/O modules.
Our Service Commitment
At Apex Automation, we specialize in industrial automation solutions since 2014. Our team provides:
- Expert pre-sales technical consultation
- 1-year comprehensive warranty on all components
- Priority shipping for off-the-shelf products
- OEM equipment sourcing for hard-to-find models
Exact pricing available upon inquiry. Can’t find your required model? Contact us via WhatsApp for immediate assistance or email technical specifications to anikaqx@gmail.com for customized solutions.

















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