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  6. LA31/LK31/25/31/115

LA31/LK31/25/31/115 Thru-beam sensor

Key Benefits at a Glance

  • Cost-optimized series for standard tasks
  • Large construction with small housing
  • Highly visible LED
  • Version for universal voltages
  • Relay output
  • Wide range of mounting options

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Please contact us for exact delivery estimation.
Preferred Type
Product photo: Thru-beam sensor LA31/LK31/25/31/115
Dimensions: Thru-beam sensor LA31/LK31/25/31/115
Product photo: Thru-beam sensor LA31/LK31/25/31/115
Dimensions: Thru-beam sensor LA31/LK31/25/31/115
Product Compliance: United Kingdom – UKCA
Product Compliance: Europe – CE
Product Compliance: EU - protection class II
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of LA31/LK31/25/31/115

Thru-beam sensor, 30 m detection range, red light, light on, AC/DC version, relais output, fixed cable
EmitterLA31/115
ReceiverLK31/25/31/115
Effective detection range0 ... 30 m
Threshold detection range43 m
Light sourceLED
Light typemodulated visible red light , 630 nm
Alignment aidLED yellow:
1. LED illuminates: Sufficient light signal received, emitter and receiver alignment is correct
2. LED flashes: Reaching switching point
3. LED off: Light beam is interrupted or the alignment is out
Diameter of the light spotapprox. 800 mm at a distance of 30 m
Opening angleEmitter: 0.5 ° , Receiver: 1.5 °
Ambient light limit50000 Lux ; according to EN 60947-5-2
MTTFd620 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Operation indicatorLED green: power on
Function indicatorLED yellow:
1. LED lit constantly: signal > 2 x switching point (operating reserve)
2. LED flashes: signal between 1 x switching point and 2 x switching point
3. LED off: signal < switching point
Operating voltageUB24 ... 240 V AC
12 ... 240 V DC
No-load supply currentI0Emitter: ≤ 20 mA
Receiver: ≤ 20 mA
Power consumptionP0Emitter: ≤ 1 VA
Receiver: ≤ 1 VA
Switching typelight-on
Signal outputRelay, 1 alternator
Switching voltagemax. 250 V AC/DC
Switching currentmax. 3 A
Switching powerDC: max. 150 W AC: max. 750 VA
Switching frequencyf≤ 20 Hz
Response time≤ 25 ms
Product standardEN 60947-5-2
Standard conformity
StandardsEN 62103
Protection classII , rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit basis insulation of input circuit according to EN 50178, rated insulation voltage 240 V AC
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient temperature-25 ... 55 °C (-13 ... 131 °F)
Storage temperature-40 ... 70 °C (-40 ... 158 °F)
Degree of protectionIP67
ConnectionEmitter: 2 m fixed cable , 2-wire
Receiver: 2 m fixed cable , 5-wire
Material
HousingPolycarbonate
Optical facePMMA
MassEmitter: 116 g
Receiver: 131 g
Dimensions
Height62 mm
Width18 mm
Depth35 mm
General Notes
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