Endress Hauser FTL31-AA4U3BAWSJ

Buy Endress Hauser FTL31-AA4U3BAWSJ

The Endress Hauser FTL31-AA4U3BAWSJ is a technically proven point level switch suitable for facilities requiring accurate and interference-free liquid level detection in process, storage, and utility vessel applications. Its vibrating fork operating principle ensures measurement performance is independent of liquid conductivity, density, dielectric constant, and viscosity, making it a reliable instrument choice across diverse liquid media. Browse our complete range of Endress+Hauser Liquiphant level switches to explore compatible point level detection products. Pair this device with our Endress+Hauser process connections and installation accessories for a complete and technically verified installation. You can also explore our wider range of Endress+Hauser field instruments and process automation accessories to address all level measurement requirements across your facility.

Key Features

• Vibrating fork principle for accurate point level detection
• Measurement independent of liquid density, viscosity, and conductivity
• No moving parts and no calibration required after installation
• Compact stainless steel wetted parts construction
• Unaffected by foam, flow turbulence, or air bubbles
• Reliable switch output for control and safety system integration
• Suitable for a broad range of aqueous and process liquids
• Long service life with minimal maintenance intervention

Typical Applications

• High and low level alarm detection in process vessels
• Overfill protection in storage and process tanks
• Dry-run protection for pumps and compressors
• Chemical and petrochemical process plants
• Oil and gas production and storage facilities
• Water and wastewater treatment tanks and basins
• Food, beverage, and pharmaceutical process vessels
• General industrial utility and process applications

Technical Specifications

• Product: Point Level Switch for Liquids
• Series: FTL31 (Liquiphant)
• Design: Compact, non-hazardous area
• Supply Voltage: 10–30 VDC
• Output: 3-wire PNP
• Electrical Connection: Valve plug M16, NEMA Type 4X
• Max Process Temperature: 150 °C / 302 °F
• Sensor Type: Short tube
• Material: Stainless steel 316L
• Process Connection: Thread ISO228 G1