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14 января 2022
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| Supply | ||
|---|---|---|
| Rated voltage | see datasheets of float switches | |
| Electrical specifications | ||
| Contact loading | see datasheets of float switches | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | see datasheets of float switches | |
| Low voltage | ||
| Directive 2014/35/EU | see datasheets of float switches | |
| Conformity | ||
| Degree of protection | IEC 60529:2001 | |
| Application | ||
| Description | switching element: LFL1: floating up closing, normally open LFL2: microswitch with switching ball, change-over contact LFL3: mercury (Hg) change-over contact | |
| Operating conditions | ||
| Installation conditions | ||
| Installation instructions | range of application and minimum length between mounting and float: - PVC version: &ge 50 mm (2 inch), preferred for water - PUR version: &ge 100 mm (4 inch), preferred for fuels, heating oils, oily fluids - CSM/CM version: &ge 100 mm (4 inch), preferred for many acids and lyes Float switches are fastened onto the lower end of the guide pipe in the factory. The position of the switch points required for the application must be adjusted by the user by moving the set collars (in some cases, it may be necessary to shorten the float switch wire). | |
| Process conditions | ||
| Process pressure (static pressure) | &le 1 bar at 20 °C (68 °F) | |
| Ambient conditions | ||
| Ambient temperature | 5 ... 70 °C (41 ... 158 °F) | |
| Storage temperature | -25 ... 70 °C (-13 ... 158 °F) | |
| Mechanical specifications | ||
| Degree of protection | Float Switch : IP68 terminal box: IP66 | |
| Mechanical construction | ||
| Dimensions | guide tube: &empty16 mm (0.6 inch), Lmax = 3000 mm (10 feet) | |
| Material | float: PP (Polypropylene) guide tube: PVC process connection: PVC set collars and clamping screw: PVC | |
| Supply | ||
|---|---|---|
| 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 | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 60947-5-2:2007+A1:2012 | |
| Conformity | ||
| Degree of protection | IEC 60529:2001 | |
| Application | ||
| Description | Proximity switch with operation ball | |
| Function and system design | ||
| Equipment architecture | A measuring system consists of a float switch LFL1-**-N and a transformer isolated barrier, e. g. KFD2-SR2-Ex1.W. | |
| Operating conditions | ||
| Installation conditions | ||
| Installation instructions | range of application and minimum length between mounting and float: - PVC version: &ge 50 mm (2 inch), preferred for water - PUR version: &ge 100 mm (4 inch), preferred for fuels, heating oils, oily fluids - CSM/CM version: &ge 100 mm (4 inch), preferred for many acids and lyes mounting: - The float switch is mounted either from sidewards through a cable gland &ge 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: &le 3 bar at 20 °C (68 °F) ball design: &le 2 bar at 20 °C (68 °F) | |
| Density | sleeve design: &ge 0.8 g/cm3 ball design: &ge 0.6 g/cm3 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 70 °C (-4 ... 158 °F) | |
| Storage temperature | -25 ... 70 °C (-13 ... 158 °F) | |
| Altitude | &le 2000 m above MSL | |
| Mechanical specifications | ||
| Degree of protection | IP68 | |
| Data for application in connection with hazardous areas | ||
| EC-Type Examination Certificate | TÜV 99 ATEX 1407 | |
| Group, category, type of protection |  II 2G Ex ia IIB T5 | |
| Directive conformity | ||
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 | |
| Mechanical construction | ||
| 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)) | |
| Electrical specifications | ||
|---|---|---|
| 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 | |
| Directive conformity | ||
| Low voltage | ||
| Directive 2014/35/EU | EN 60947-5-1:2004 + Cor.:2005 + A1:2009 | |
| Conformity | ||
| Degree of protection | IEC 60529:2001 | |
| Application | ||
| Description | microswitch with switching ball, change-over contact | |
| Function and system design | ||
| 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. | |
| Operating conditions | ||
| Installation conditions | ||
| Installation instructions | range of application and minimum length between mounting and float: - PVC version: &ge 50 mm (2 inch), preferred for water - PUR version: &ge 100 mm (4 inch), preferred for fuels, heating oils, oily fluids - CSM/CM version: &ge 100 mm (4 inch), preferred for many acids and lyes mounting: - The float switch is mounted either from sidewards through a cable gland &ge 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: &le 3 bar at 20 °C (68 °F) ball design: &le 2 bar at 20 °C (68 °F) | |
| Density | sleeve design: &ge 0.8 g/cm3 ball design: &ge 0.6 g/cm3 | |
| Ambient conditions | ||
| 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) | |
| Storage temperature | -25 ... 70 °C (-13 ... 158 °F) | |
| Altitude | &le 2000 m above MSL | |
| Mechanical specifications | ||
| Degree of protection | IP68 | |
| Mechanical construction | ||
| 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)) | |
| Electrical specifications | ||
|---|---|---|
| Contact loading | 230 V AC/3 A/200 VA 150 V DC/3 A/100 W resistive load | |
| Rated insulation voltage | 300 V | |
| Pulse withstand voltage | 4 kV | |
| Directive conformity | ||
| Low voltage | ||
| Directive 2014/35/EU | EN 60947-5-1:2004 + Cor.:2005 + A1:2009 | |
| Conformity | ||
| Degree of protection | IEC 60529:2001 | |
| Application | ||
| Description | mercury (Hg) change-over contact | |
| Function and system design | ||
| 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. | |
| Operating conditions | ||
| Installation conditions | ||
| Installation instructions | range of application and minimum length between mounting and float: - PVC version: &ge 50 mm (2 inch), preferred for water - PUR version: &ge 100 mm (4 inch), preferred for fuels, heating oils, oily fluids - CSM/CM version: &ge 100 mm (4 inch), preferred for many acids and lyes - TPK version: &ge 100 mm (4 inch), preferred for many acids and lyes mounting: - The float switch is mounted either from sidewards through a cable gland &ge 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: &le 3 bar at 20 °C (68 °F) ball design: &le 2 bar at 20 °C (68 °F) | |
| Density | sleeve design: &ge 0.8 g/cm3 ball design: &ge 0.6 g/cm3 | |
| Ambient conditions | ||
| 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 | &le 2000 m above MSL | |
| Mechanical specifications | ||
| Degree of protection | IP68 | |
| Mechanical construction | ||
| 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) | |
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