ETC 41651

Pepperl+Fuchs offers a wide range of float switches:
Application
- suitable for use up to Ex-area zone 1
- mercury-free switching element
- nominal voltage, 8 V per
EN 60947-5-6 (NAMUR)
- connected through a transformer
isolated barrier (i.e. KFD2-SR...)
- mercury-free switching element
- usable as a contact output
- connects directly to a PLC input, no
interface is necessary
- contact 250 VAC/VDC, 3 A
maximum switching current
- contact 250 VAC (150 VDC), 4 A
maximum switching current
- usable as a contact output
- connects directly to a PLC input, no
interface is necessary
Float type
Design
1
CK Cylinder Type
- for small mounting diameters
- mounting through G1 hole
Proximity switch
BK Ball type
- high buoyancy for fluids with low density
2
Electrical Design
Micro switch
with switching element 1 proximity switch
N
per 2-wire EN 60947-5-6 (NAMUR)
- connected with a transformer isolated
barrier suitable for use in Ex-area zone 1
Z1
Z0
3
Normally open contact
Normally closed contact
- for DC applications 6 V DC … 60 V DC
Mercury switching
contact
WÖ
WS
Normally open contact Normally closed contact
- for AC applications 250 V AC
with switching element 2 Micro switch or
switching element 3 Mercury switching contact
U
AC, DC
- for AC and DC applications
250 V AC/150 V DC
Your Order Number:
LFL
Cable Housing Material
Pepperl+Fuchs
Level Control Products
Float Switches –
Simple and Economical
Quality and Standards
Pepperl+Fuchs offers a wide range of
level control products with hydrostatic
pressure sensors, magnet-operated
immersion probes, pipeline probes,
conductive probes, vibration forks,
float switches and electrodes for field
measurements. Our selection of level
control devices offers a solution for
all your measurement requirements.
Float switches are one of the most
reliable and economical methods for
monitoring simple level control
applications.
All products comply with national
(DIN) an international (EN; IEC)
standards. Our ISO 9001 quality
assurance system insures product
quality.
Cable length
3
- 3 meters
5
- 5 meters
10 - 10 meters
PVC
- resists waste water and aggressive liquids
PUR
- resists fuel and greasy liquids
CSM
- resists most acids and lyes
Horn
Controls pumps or values with one float switch
Alarms
min./max. limit control
Controls pumps or valv
with float switches
Access ories
Additional Accessories
Accessories float switches
Thread
Material
Order-No.
Cable gland:
G1A
G1A
G2A
PVC
brass
PVC
LFL-Z 131
LFL-Z 132
LFL-Z 161
Lock nut:
G1A
PVC
LFL-Z 231
Counterweight:
for G2
LFL-Z 32
Pepperl+Fuchs offers signal conditioners, transformer
isolated barriers, displays, connection boxes and a
variety of special cables.
For a complete listing of our accessories, refer to our
catalog “Field Devices for Process Automation” or our
CD-ROM.
The Pepperl+Fuchs Group
USA Headquarters
Pepperl+Fuchs Inc. · 1600 Enterprise Parkway
Twinsburg, Ohio 44087-2202 · Cleveland-USA
Tel. (330) 4 25 35 55 · Fax (330) 4 25 93 85
e-mail: sales@us.pepperl-fuchs.com
Worldwide Headquarters
Pepperl+Fuchs GmbH · Königsberger Allee 87
68307 Mannheim · Germany
Tel. +49 621 7 76-0 · Fax +49 621 7 76-10 00
http://www.pepperl-fuchs.com
e-mail: pa-info@de.pepperl-fuchs.com
Asia Pacific Headquarters
Pepperl+Fuchs Pte Ltd. · P+F Building
18 Ayer Rajah Crescent · Singapore 139942
Tel. (65) 7 79 90 91 · Fax (65) 8 73 16 37
e-mail: sales@sg.pepperl-fuchs.com
Subject to reasonable modifications due to technical advances · Copyright PEPPERL+FUCHS · Printed in Germany · Part. No. 48 297
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PROCESS AUTOMATION
Applica tions
Product Overview
Float Switches