 
                  Specs at a glance
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                              Process temperature-20 °C ... 80 °C (-4 °F ... 170 °F) 
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                              Process pressure / max. overpressure limit0.5 bar to 1.5 bar (7 psi ... 22 psi) 
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                              Min. density of medium>= 80 g/l 
Field of application
The Soliswitch FTE20 is a versatile rotary paddle point level switch that has been specially developed for bulk solid applications. Its compact design and high resistance enable reliable use even under demanding conditions. The device offers flexible mounting options and supports easy commissioning and adaptation to different material characteristics. In addition, integrated safety functions and international approvals ensure safe operation even in potentially explosive atmospheres.
- The economical Soliswitch FTE20 rotary paddle point level switch is ideal for use in bulk solids 
- Thanks to its compact design and robust polymer housing, the sensor can be used flexibly in silos 
- It can be used reliably as a full, empty or demand indicator 
- Thanks to its construction and the materials used, the FTE20 is extremly robust and can withstand even the most demanding conditions 
- The sensor can be used in hazardous atmospheres with a risk of dust explosion 
Benefits
- Overfill protection with automatic rotation monitoring 
- Optical rotation control for fast and easy checking during installation and troubleshooting 
- Extremely robust polymer housing with global Ex certificates for ATEX, IECEx, FM, UK CA und INMETRO 
- Quick ordering, easy configuration, and commissioning 
- Tool-free adjustment to the weight of the bulk solids 
- Housing can be rotated up to 360° for optimal alignment after installation 
- Resistance coupling element for line break and short-circuit monitoring as optional accessories 
Videos
Fundamental selection
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        Simple products 
- Easy to select, install and operate
Technical excellence
Simplicity
 
                              - 
        Standard products 
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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        Specialized products 
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity | 
|---|---|---|
| 
 Fundamental selection Meet your basic measurement needs | Technical excellence | Simplicity | 
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 Lean selection Handle your core processes easily | Technical excellence | Simplicity | 
| 
 Extended selection Optimize your processes with innovative technologies | Technical excellence | Simplicity | 
| 
 Xpert selection Master your most challenging applications | Technical excellence | Simplicity Variable | 
Predecessor
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                                                    Technical Information (TI)
 TI Soliswitch FTE20English version - 08/2025 Rotary paddle level switch EN 25/08/202531/01/202331/05/202224/12/201919/11/2015Language: English Version: 25/08/2025 File size: 2.7 MB File name: TI01047FEN_1025-00.pdf 
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                                                            Technical Information (TI)
 TI Soliswitch FTE20Rotary paddle level switch EN 25/08/202531/01/202331/05/202224/12/201919/11/2015Language: English Version: 25/08/2025 File size: 2.7 MB File name: TI01047FEN_1025-00.pdf 
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                                                            Operating Instruction (BA)
 BA Soliswitch FTE20Rotary paddle level switch EN 25/08/202531/01/202331/05/202224/12/201920/11/2015Language: English Version: 25/08/2025 File size: 3.6 MB File name: BA01069FEN_0925-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Soliswitch FTE20Point level switch 
 ATEX:
 Ex tb IIIC Txxx °C Db (Enclosure)
 Ex ta IIIC Txxx °C Da (Process)EN 25/03/202416/08/202219/07/202107/05/201829/04/2015Language: English Version: 25/03/2024 File size: 550.2 KB File name: XA01034FEN_0624-00.pdf 
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                                                            Ex Safety Instruction (XA)
 Soliswitch FTE20Point level switch 
 Ex ta IIIC T<sub>200</sub> T110 °C Da (Process)
 Ex tb IIIC T110 °C Db (Enclosure)EN 28/09/202216/08/2021Language: English Version: 28/09/2022 File size: 653.8 KB File name: XA02685FEN_0222-00.pdf 
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                                                            Ex Safety Instruction (XA)
 FM approval FTE20FM control drawing for point level switch Soliswitch FTE20 EN 06/03/202416/07/201507/07/2014Language: English Version: 06/03/2024 File size: 376.6 KB File name: XA01331FEN_03.23.pdf 
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                                                            Ex Safety Instruction (XA)
 FTE20Point level switch 
 Ех ta IIIC T 110 °С Da Х
 Ех tb IIIC T 110 °С Db ХEN 04/01/2021Language: English Version: 04/01/2021 File size: 284.1 KB File name: XA02355FEN_0121.pdf 
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                                                            Special Documentation (SD)
 Device viewerTechnical documentation in other languages Language: English Version: 14/07/2021 File size: 478.5 KB File name: SD02429R09EN_0121.pdf 
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                                                            Fields of Activities (FA)
 Level measurementProduct overview for applications in liquids and bulk solids Language: English Version: 29/09/2025 File size: 48.9 MB File name: FA00001F00EN2625.pdf 
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                                                            Fields of Activities (FA)
 Misura di livelloMisura di livello 
 Panoramica dei prodotti per applicazioni in liquidi e solidi sfusiLanguage: Italian Version: 03/03/2023 File size: 46.9 MB File name: FA00001F00IT2522.pdf 
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                                                            Fields of Activities (FA)
 Catálogo Medición y Detección de nivelGama de productos para aplicaciones con líquidos y sólidos Language: Spanish Version: 01/06/2022 File size: 7.2 MB File name: FA00001Fes Catalogo Nivel_24.22.pdf 
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