Pepperl Fuchs LFL2-**-U

Float Switch. Switch element: microswitch, <b>mercury-free</b>, Limit value detection for fluids, Sleeve design: small diameter, mounting through G1 tap hole possible, Ball design: high buoyancy. Construction type: microswitch with switching ball, change-over contact. Series: LFL2-**-U. Contact loading: 250 V AC/3 A; 150 V DC/0.25 A resistive load; 60 V DC/1 A resistive load. Rated insulation voltage: 300 V. Pulse withstand voltage: 4 kV. Electrical life: ≥ 5 x 104 switching cycles. Connection: volt-free change-over contact. Low voltage: . Directive 2014/35/EUEN 60947-5-1:2017: . Directive 2014/35/EU: EN 60947-5-1:2017. Degree of protection: IEC 60529:2001. Equipment architecture: This device may be used with any sequential circuit, as long as the circuit can support the electrical circuit values of the switching elements.. 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 lyes- TPK 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 lyes- TPK 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: PVC version: 5 ... 70 °C (41 ... 158 °F)PUR version: 5 ... 70 °C (41 ... 158 °F)CSM/CM version: -20 ... 70 °C (-4 ... 158 °F) TPK version: 5 ... 70 °C (41 ... 158 °F). Storage temperature: -25 ... 70 °C (-13 ... 158 °F). Altitude: ≤ 2000 m above MSL. Degree of protection: IP68. Material: float: PP (Polypropylene)cable:- PVC version: PVC cable, highly flexible (3 x 0.75 mm2)- PUR version: PUR cable, highly flexible (3 x 0.50 mm2)- CSM/CM version: CSM/CM cable (chlorinated polyethylene, (3 x 0.75 mm2)) - TPK version: TPK cable, (3 x 0.75 mm2). Switching point: switch angle, measured against the horizontal:- upper switch point 25° ±10°- lower switch point 6° ±6°. 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

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