
Pepperl Fuchs LCL1
Capacitive limit switch
- MPN
- LCL1
- Category
- Capacitive Limit Switches
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What is the Pepperl Fuchs LCL1?
Limit switch for bulk solids
Device with rod probe
Complete unit consisting of the probe and electronic insert
Integrated active build-up compensation: exact switch point, even with strong build-up
Mechanically rugged: no wearing parts, long operating life, maintenance-free
Limit switch for bulk solids, Device with rod probe, Complete unit consisting of the probe and electronic insert, Integrated active build-up compensation: exact switch point, even with strong build-up, Mechanically rugged: no wearing parts, long operating life, maintenance-free
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 271947 |
| Measuring method | A metal plate at the end of the probe, within the insulation, and the surroundings (e. g. the silo walls) combine to form the two electrodes of a capacitor. If the probe is covered or free of material, then the capacitance changes and the LCL switches. |
| Equipment architecture | The measuring system consists of: - the device - a supply point - the connected control systems, switching units, signalling systems (e. g. lamps, horns, PCS, PLC, etc.) |
| Construction type | device with rod probe |
| Operating mode | MAX = maximum safety: The device switches if the probe is covered or if the supply voltage is disconnected in a safety-oriented manner (signal on alarm). example application: overspill protectionMIN = minimum safety: The device switches if the probe is uncovered or if the supply voltage is disconnected in a safetyoriented manner (signal on alarm). example application: dry-running protection |
| Series | LCL1 |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Supply
| Rated voltage | electrical connection E5: 10.8 ... 45 V DC, short-term pulse on 55 V DC electrical connection WA: 20 ... 235 V AC, 50/60 Hz or 20 ... 55 V DC Ur |
| Current consumption | electrical connection E5: max. 30 mA, reverse-polarity-proof electrical connection WA: max. 130 mA |
Electrical specifications
| Surge protection | overvoltage category III |
Input
| Measured variable | limit level (limit value) |
| Measuring range | dielectric constant ≥ 1.6 |
Output
| Switch-on delay | correct switching after max. 1.5 s ton |
| Output signal | connection E5: switching PNP, Imax = 200 mA - overload and short circuit protection - residual voltage at transistor at Imax 0.7 |
| Signal on alarm | connection E5: < 100 µA connection WA: relay de-energized |
Directive conformity
| Electromagnetic compatibility: Directive 2014/30/EU | EN 61326-1:2006 , EN 61326-2-3:2006 |
| Low voltage: Directive 2014/35/EU | EN 61010-1:2010 |
Conformity
| Electromagnetic compatibility | NE 21 |
| Degree of protection | IEC 60529:2001 |
| Vibration resistance | EN 60068-2-64 |
| Climate class | EN 60068, part 2-38 (test Z/AD) |
Measurement accuracy
| Reference operating conditions | vessel type: plastic vessel, ambient temperature: 73 °F (23 °C, 296 K), medium temperature: 73 °F (23 °C, 296 K) medium pressure pe: 0 bar, medium: dielectric constant = 2.6, conductivity: < 1 µS sensitivity setting: C |
| Hysteresis | horizontal 4 mm (0.16 inch), vertical 7 mm (0.28 inch) |
| Long-term drift | horizontal 3 mm (0.12 inch), vertical 6 mm (0.24 inch) |
| Influence of medium temperature | depending on the filling material |
| Switching time | approx. 0.5 s when covering and uncovering the sensor |
Operating conditions
| Installation conditions: Installation position | any position |
| Installation conditions: Mounting location | The capacitive limit switch can be installed in silos made of different materials (e. g. metal, plastic, concrete). |
| Process conditions: Process temperature | -40 ... 130 °C (-40 ... 266 °F) -40 ... 80 °C (-40 ... 176 °F) (Dust-Ex version) |
| Process conditions: Medium pressure limits | -1 ... 25 bar |
| Process conditions: State of aggregation | solids |
| Process conditions: Solid contents | ≤ ∅ 30 mm |
| Process conditions: Bulk density | ≤ 200 g/l |
Ambient conditions
| Ambient temperature | -40 ... 80 °C (-40 ... 176 °F) -40 ... 60 °C (-40 ... 140 °F) (Dust-Ex version) |
| Storage temperature | -40 ... 80 °C (-40 ... 176 °F) |
| Shock resistance | device with F34 housing: 7 J |
| Vibration resistance | a(RMS) = 50 m/s2, ASD = 1.25 (m/s2)2/Hz, f = 5 to 2000 Hz, t = 3 x 2 h |
Mechanical specifications
| Degree of protection | IP66, NEMA 4 |
| Connection | gland M20 thread G1/2, NPT1/2 |
| Material | F14 housing: polyester PBT-FR F34 housing F34: aluminum Probe: PPS GF40 |
| Dimensions | max. ∅94 mm (3.7 inch), length 391 mm (15.4 inch) |
| Process connection | thread R1 acc. to EN 10226, BSPT, adapter for R1-1/2 and G1-1/2 see accessories thread NPT1 to ANSI B 1.20.1, adapter for NPT1-1/4 see accessories |
Data for application in connection with hazardous areas
| EU-type examination certificate | see instruction manuals (SI) |
| Directive conformity: Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-31:2009 |
General information
| Supplementary documentation | technical information (TI) manuals, brief instructions (BA, KA) instruction manuals (SI) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
Accessories
| Designation | - LCL-Z10 cover with sight glass for F14 housing - LCL-Z11 adapter for R1-1/2, EN 10226 - LCL-Z12 adapter for G1-1/2, DIN ISO 228 - LCL-Z13 adapter for NPT1-1/4, steel - LCL-Z15 adapter for NPT1-1/4, 1.4571 |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
LCL1: frequently asked questions
When can LCL1 be shipped?
LCL1 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up LCL1 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for LCL1 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LCL1, subject to availability and destination.
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