Point level switch
Soliswitch FTE31
Rotary paddle switch

Point level switch Soliswitch FTE31 Rotary paddle switch ©Endress+Hauser

Simple mechanical mechanism, extremely robust and cost-effective point level switch for bulk solids

The economical Soliswitch FTE31 is a paddle switch for point level detection in bulk materials. Its robust polymer housing and compact design makes it an ideal sensor for full, empty and demand alarm in applications with bulk solids. The optimized materials make the unit outstandingly robust and therefore suitable for use in dust explosive areas.

Additional components

  • Benefits

    • Reliable and economical paddle switch

    • Highest safety standard for dust-explosion-hazardous areas

    • Diverse instrument designs for use under different application conditions

    • Slip clutch prevents impact on paddle

    • Ingress protection to IP 65 / NEMA 4x / Type 4x...

  • Field of application

    The universal point level switch FTE31 is used as a full, empty and demand alarm on silos containing solids. Its construction and materials make the unit suitable for use in the food industry. The unit is suitable as a level limit switch in dust-...

Features and specifications

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Details

  • Measuring principle

    Paddle

  • Characteristic / Application

    universally applicable as a full, empty and demand alarm on silos containing solids

  • Specialities

    Hinged paddle for retro-fitting

  • Supply / Communication

    230V 50/60 Hz

    115V 50/60 Hz

    48V 50/60 Hz

    24V 50/60 Hz

    20 to 28 VDC

  • Ambient temperature

    -20 °C ... 60 °C (-4 °F ... 140 °F)

  • Process temperature

    -20 °C ... 80 °C (-4 °F ... 170 °F)

  • Process pressure absolute / max. overpressure limit

    0.5 bar to 1.5 bar (7 psi to 22 psi)

  • Min. density of medium

    >= 100 g/l

  • Main wetted parts

    Shaft: 1.4435

    Paddle: 1.4435

  • Process connection

    Threaded boss - thread NPT 1 1/4" or NPT 1 1/2"

  • Sensor length

    Standard:

    75 mm (3")

    100 mm (4")

    200 mm (8")

    300 mm (12")

    400 mm (16")

    500 mm (20")

    600 mm (24")

  • Communication

    Relay

  • Certificates / Approvals

    FM

    CSA

  • Application limits

    max. grain size 50 mm (2")

Documents / Manuals / Software

  • Technical information Level Limit Switch soliswitch FTE31

    Economical paddle limit switch for application in
    dust hazardous explosive areas

    Technical Information (TI)
  • Kurzanleitung/Short Manuals FTE 31

    Soliswitch FTE30
    Füllstandgrenzschalter
    Level Limit Switch
    Détecteur de niveau

    Short Instruction (KA)
    01/09
    German , English , fr
  • Brewery application: Malt preparation, Application 5

    Meas. point 2: Level switch in the malt silo
    Application 3: paddle switch

    Industry Solutions (SO)
    English
  • Mesure de niveau

    Aperçu des produits pour des applications dans des liquides et des
    solides en vrac

    Fields of Activities (FA)
    03/19
    fr
  • Catálogo Medición y Detección de nivel

    Gama de productos para aplicaciones con líquidos y sólidos

    Fields of Activities (FA)
    03/17
    Spanish
  • Level measurement

    Product overview for applications in liquids and bulk solids

    Fields of Activities (FA)
    03/17
    English
  • Füllstandmesstechnik

    Produktübersicht für Anwendungen in Flüssigkeiten und Schüttgütern

    Fields of Activities (FA)
    03/17
    German
  • Level measurement

    Product overview for applications in liquids and bulk solids

    Fields of Activities (FA)
    03/17
    English
  • Soliswitch

    Product Code: FTE31-
    Declaration Number: HE_00433_01.17
    Manufacturer Specification: RoHS

    Manufacturer Declaration
    English
  • Soliswitch

    Product Code: FTE30-, FTE31-
    Declaration Number: EC_00349_01.16

    EU Declaration
    German , English , fr
  • Soliswitch, process displays, Preline, power supply and barrier, power supply, over voltage protector, Mini-Log, Memo-Graph, Ecograph, controller, contactors / transmitters, Configuration Kit

    Product Code: RIA452-, RIA452L-, RIA46-, RID14-, RID16-, RMA42-, RMC621-, RMC621L-, RMS621-, RMS621L-, RN221N-, RN221NL-, RNB130-, RNS221-, RNS221L-, RS33-, RSG35-, RSG40-, RSG45-, RTA421-, RTA421L-, TXU10-, RIA45-, FML621-, FTE20-, FTE30-, FTE31-, HAW562-, HAW569-, OFTE20-, ORIA15-, ORIA45-, ORIA46-, ORMA42-, ORSG35-, ORSG45-, OSG40-, OSG45-, RA33-, RB223-, RDL10-, RH33-, RIA14-, RIA15-, RIA16-
    Declaration Number: EC_00569_01.17

    EU Declaration
    German , English , fr
  • Soliswitch

    Product Code: FTE20-, FTE30-, FTE31-, OFTE20-
    Region/Country: Russia (TR CU)
    Approval Agency: EAC
    Approval Number: TC RU D-DE.AZ01.B.02740

    Miscellaneous
    Russian
  • Soliswitch

    Product Code: FTE31-
    Region/Country: USA
    Approval Agency: FM
    Category: II,III/1/E,F,G/
    Protection: DIP

    Explosion Protection
    English
  • Soliswitch

    Product Code: FTE31-
    Region/Country: USA, Canada
    Approval Agency: CSA
    Category: II,III/1/EFG
    Protection: DIP, Type 4X

    Explosion Protection
    English
  • Soliswitch

    Product Code: FTE31-
    Region/Country: USA
    Approval Agency: FM
    Category: II,III/1/EFG
    Protection: DIP, NEMA 4X

    Explosion Protection
    English
  • Soliswitch

    Product Code: FTE31-
    Region/Country: Canada, USA
    Approval Agency: CSA
    Category: II,III/1/E,F,G/
    Protection: DIP

    Explosion Protection
    English

Accessories / Spare parts

Nr
Order code
Specification

  • Successor

    • Soliswitch FTE20

      The Soliswitch is the most universal of all point level sensing technologies and more over the most popular level switch used in bulk materials.

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