The Fairchild TDEI7800-406 is a Model T780 electro-pneumatic (I/P) transducer designed to convert a 4–20 mA electrical input into a proportional pneumatic pressure output. It is intended for industrial process-control applications and is available with intrinsically safe/ATEX configurations.
Key Features
- Converts 4–20 mA electrical signals to pneumatic pressure.
- Model T780 electro-pneumatic transducer design.
- 11 SCFM air-flow capacity.
- DIN 43650 electrical connection.
- Robust aluminium housing with epoxy powder coating.
- Suitable for hazardous-area applications with appropriate certified configuration.
- Wide operating temperature range.
- Designed for industrial pneumatic control and automation systems.
Typical Applications
- Process-control systems
- Pneumatic valve actuation and control
- Industrial automation
- Oil & gas instrumentation
- Chemical and petrochemical plants
- Hazardous-area control systems
- Marine and offshore pneumatic control




