Point level switch
Soliswitch FTE31
Rotary paddle switch

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

FTE31

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Specs at a glance

Process temperature

-20 °C ... 80 °C (-4 °F ... 170 °F)
Process pressure / max. overpressure limit

0.5 bar to 1.5 bar (7 psi to 22 psi)
Min. density of medium

>= 100 g/l

See all specifications

Field of application

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.

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-explosion-hazardous areas.

Typical applications are level detection in: Cereals, sugar, cacao, animal feeds, washing powders, chalk, dry plaster, cement, granulates, wood chips

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 for optimum safety in the process

Fundamental selection

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Success stories

Level measurement of silos on construction sites

Discover how Profibaustoffe Austria GmbH automated the monitoring of bulk material inside silos to deliver refills on a "just- in-time" basis.
Read the full story

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60 spare parts & accessories

O-Ring D18.77x1.78 EPDM 70° Shore

further parts

Order code

51004850
Housing cover FTE-31 without O-ring

further parts

Order code

51000890
Hinged paddle cpl. FTE30 1.4435

further parts

Order code

50089768

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	EN
30/09/2022
01/03/2010
01/12/2009
01/07/2008
18/05/2000

Language:	English
Version:	30/09/2022
File size:	929.6 KB
File name:	TI00068REN_1322-00.pdf

	EN
30/09/2022
01/03/2010
01/12/2009
01/07/2008
18/05/2000

Language:	English
Version:	30/09/2022
File size:	929.6 KB
File name:	TI00068REN_1322-00.pdf

	EN
30/09/2022
16/01/2009
01/04/2000

Language:	Spanish
Version:	01/06/2022
File size:	7.2 MB
File name:	FA00001Fes Catalogo Nivel_24.22.pdf

Language:	German
Version:	14/10/2022
File size:	10.6 MB
File name:	FA00001F00DE2522.pdf

Language:	Italian
Version:	03/03/2023
File size:	46.9 MB
File name:	FA00001F00IT2522.pdf

	EN
18/10/2022

	EN
20/04/2016

Point level switch Soliswitch FTE31Rotary paddle switch

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

Specs at a glance

Process temperature

Process pressure / max. overpressure limit

Min. density of medium

Field of application

Benefits

Fundamental selection

Success stories

Level measurement of silos on construction sites

Measuring principle

Characteristic / Application

Specialities

Supply / Communication

Ambient temperature

Process temperature

Process pressure / max. overpressure limit

Min. density of medium

Main wetted parts

Process connection

Sensor length

Communication

Certificates / Approvals

Application limits

Back

TI Soliswitch FTE31

TI Soliswitch FTE31

KA Soliswitch FTE31

Device viewer

Level measurement

Catálogo Medición y Detección de nivel

Füllstandsmesstechnik

Misura di livello

Product family: Soliswitch

Product family: Contactors/transmitters, Controller, Ecograph, Memo-Graph, Power supply, Power supply and barrier, Preline, Process displays, Soliswitch

Product family: Soliswitch

Back

O-Ring D18.77x1.78 EPDM 70° Shore

Housing cover FTE-31 without O-ring

Hinged paddle cpl. FTE30 1.4435

Input

Output

Display

Power Supply

Input

Output

Power Supply

Input

Output

Display

Power Supply

Input

Output

Display

Power Supply

Input

Output

Display

Power Supply

Input

Output

Display

Power Supply

Input

Output

Power Supply

Input

Output

Display

Power Supply

Input

Output

Display

Power Supply

Input

Output

Display

Power Supply

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Point level switch
Soliswitch FTE31
Rotary paddle switch