Pepperl Fuchs LFL1-*K-N-*****

Float Switch. Switch element: float switch with initiator, <b>mercury-free</b>, Electrical connections in acc. with NAMUR for hazardous area, Limit value detection for fluids, Sleeve design: small diameter, mounting through G1 tap hole possible, Ball design: high buoyancy. Construction type: Inductive sensor with switching ball. Series: LFL1-**-N. Rated voltage: 8.2 V ± 2 V. Current consumption: < 1.0 mA unswitched (de-energized at the bottom),> 2.2 mA switched (floated up at the top). Reverse polarity protection: yes. Connection: NAMUR acc. to EN 60947-5-6 , 2-wire. Electromagnetic compatibility: . Directive 2014/30/EUEN 60947-5-2:2007+A1:2012: . Directive 2014/30/EU: EN 60947-5-2:2007+A1:2012. Degree of protection: IEC 60529:2001. Equipment architecture: A measuring system consists of a float switch LFL1-**-N and a transformer isolated barrier,e. g. KFD2-SR2-Ex1.W.. Installation conditions: . Installation instructionsrange of application and minimum length between mounting and float:- PVC version: ≥ 50 mm (2 inch), preferred for water- PUR version: ≥ 100 mm (4 inch), preferred for fuels, heating oils, oily fluids- CSM/CM version: ≥ 100 mm (4 inch), preferred for many acids and lyesmounting:- The float switch is mounted either from sidewards through a cable gland ≥ G1A into the vessel or- by means of a counter weight or rods (e. g. float switch combination) from the top.The pivot of the cable should always be horizontal.: . Installation instructions: range of application and minimum length between mounting and float:- PVC version: ≥ 50 mm (2 inch), preferred for water- PUR version: ≥ 100 mm (4 inch), preferred for fuels, heating oils, oily fluids- CSM/CM version: ≥ 100 mm (4 inch), preferred for many acids and lyesmounting:- The float switch is mounted either from sidewards through a cable gland ≥ G1A into the vessel or- by means of a counter weight or rods (e. g. float switch combination) from the top.The pivot of the cable should always be horizontal.. Process conditions: . Process pressure (static pressure)sleeve design: ≤ 3 bar at 20 °C (68 °F) ball design: ≤ 2 bar at 20 °C (68 °F)Densitysleeve design: ≥ 0.8 g/cm3 ball design: ≥ 0.6 g/cm3: . Process pressure (static pressure): sleeve design: ≤ 3 bar at 20 °C (68 °F) ball design: ≤ 2 bar at 20 °C (68 °F). Density: sleeve design: ≥ 0.8 g/cm3 ball design: ≥ 0.6 g/cm3. Ambient temperature: -20 ... 70 °C (-4 ... 158 °F). Storage temperature: -25 ... 70 °C (-13 ... 158 °F). Altitude: ≤ 2000 m above MSL. Degree of protection: IP68. EU-type examination certificate: TÜV 99 ATEX 1407. Marking II 2G Ex ia IIB T5 Gb: . Marking: II 2G Ex ia IIB T5 Gb. Directive conformity: . Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012: . Directive 2014/34/EU: EN 60079-0:2012+A11:2013 , EN 60079-11:2012. Material: float: PP (Polypropylene)cable:- PVC version: PVC cable, highly flexible (2 x 0.75 mm2)- PUR version: PUR cable, highly flexible (2 x 0.50 mm2)- CSM/CM version: CSM/CM cable (chlorinated polyethylene, (2 x 0.75 mm2)). Switching point: switch angle, measured against the horizontal:- upper switch point +15° ±5°- lower switch point -15° ±5°. Supplementary information: Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.. Designation: - LFL-Z231, counter nut, G1A, PVC- LFL-Z32, counter weight, grey cast iron with plastic coating (Polycarbonate)- LFL-Z33, counter weight, grey cast iron with ECTFE coating (Halar)- LFL-Z131, gland screw connection G1A, PVC- LFL-Z132, gland screw connection G1A, brass- LFL-Z161, gland screw connection G2A, PVC- LFL-Z431, gland screw connection 1 NPT, PVC- LFL-Z461, gland screw connection 2 NPT, PVC

Specifications