Ex-QFS-3x

Mercury-free float switches with Ex approval

Features

EX

product family

level measurement

product class

Point Level Measurement

suitable for

fluids

measurement principle

Schwimmer


Special characteristics

  • Ex approval for Ex zone 0 (cat. 1) according to ATEX

  • Mercury-free

  • Available with weights

Description

These float switches have a mercury-free switching system consisting of a microswitch and a ball which actuates this switch.

Technical Data

Technical Data
Protection class EN60529
IP 68
Material Float
PP
Cable
TPK (PVC Basis), PVC Basis verstärkt, Polyurethan, Silikon, Teflon, Ethylen-Acrylat-Kautschuk
Conductor cross-section
3x 0,75 mm², Polyurethan 3x 0,5 mm²
Operating temperature TPK(V)
AEM Kabel max.+ 60 °C
Operating temperature PUR cable
max.+ 70 °C
Operating temperature SIL, FEP cable
max.+ 85 °C
Operating pressure
max. 1 bar Zylinder| max. 2 bar Kugel
Switching system
Mikroschalter
Contact type
Wechsler, NO, NC
Electrical connection data, Ex-protection
siehe EG-Prüfbescheinigung TüV 09 ATEX 555342
Inductive/capacitive loads
Unbedingt Kontaktschutz vorsehen
CE marking
siehe Konformitätserklärung
Weight
ca. 200 g
Media density Ex-QFS-30
TPK(V) cable
ρρ 0,85 g/cm³
PUR cable
ρρ 0,95 g/cm³
SIL cable
ρρ 0,90 g/cm³
FEP cable
ρρ 0,95 g/cm³
AEM Cable
ρρ 0,90 g/cm³
Media density Ex-QFS-31
Sphere
ρρ 0,60 g/cm
Mounting position
Ex-QFS-30
waagerecht mit G1” Verschraubung, senkrecht mit Beschwerungsgewicht (Ex)
Ex-QFS-31
waagerecht mit Flansch ab DN 100 (PP)

Ex-QFS-3x configuration

Your Configuration

Basename
Ex-QFS-3
Schwimmertyp
Kontakt
Schaltkontakt
Kabelmaterial
Kabellänge
Beschwerungsgewicht

Further product information

Diese Schwimmschalter haben ein quecksilberfreies Schaltsystem, welches aus einem Mikroschalter und einer Kugel, welchen diesen Schalter betätigt, besteht. Das Schaltsystem schaltet bei einem Schaltwinkel von ca. + 3 Grad / +12 Grad. Die Schwimmschalter Ex-QFS 3_ sind für den Einsatz in brennbaren Flüssigkeiten Ex-Zone 0 (Kategorie1) zugelassen. TPK (PVC Basis) max. 10 m Länge im Ex-Bereich Zone 0. 

Mediendichte bei Ex-QFS-30 ρρ 1,10 g/cm³ maximal - mit integriertem Beschwerungsgewicht

Documents and Downloads

Benefit from our services

repair & maintenance

repair & maintenance

We produce durable products of high quality. However, if one of our products requires maintenance, we will gladly inspect the device in our Service Centre.

product development

product development

Our standard products have not yet completely convinced you? We offer customer-specific adaptation of our standard products to your wishes. Get in touch with us!

application-specific solution

application-specific solution

Are you looking for a suitable product solution for your measurement task? We recommend a product solution from our product range according to your specifications.

application-specific solution

Support & Start-up

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Our application engineers advise you personally, comprehensively and professionally!

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Fluid.iO
Sensor + Control
GmbH & Co. KG

An der Hartbrücke 6
64625 Bensheim