Serviceline Industrial Sensors
Serviceline Explosion Protection

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

LA31/LK31/25/31/115
  • 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

Please 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  LA31/LK31/25/31/115

Product Description
Thru-beam sensor, 30 m detection range, red light, light on, AC/DC version, relais output, fixed cable
System components
EmitterLA31/115
ReceiverLK31/25/31/115
General specifications
Effective detection range0 ... 30 m
Threshold detection range43 m
Light sourceLED
Light typemodulated visible red light , 630 nm
Diameter of the light spotapprox. 800 mm at a distance of 30 m
Angle of divergenceEmitter: 0.5 ° , Receiver: 1.5 °
Functional safety related parameters
MTTFd620 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
Function indicatorLED yellow:
1. LED lit constantly: signal > 2 x switching point (function reserve)
2. LED flashes: signal between 1 x switching point and 2 x switching point
3. LED off: signal < switching point
Electrical specifications
Operating voltage24 ... 240 V AC
12 ... 240 V DC
Output
Switching typelight on
Signal outputRelay, 1 alternator
Compliance with standards and directives
Directive conformityEMC Directive 2004/108/EC
Standard conformity
Product standardEN 60947-5-2:2007
IEC 60947-5-2:2007
Approvals and certificates
EAC conformityTR CU 020/2011
TR CU 004/2011
Mechanical specifications
Degree of protectionIP67
ConnectionEmitter: 2 m fixed cable , 2-wire
Receiver: 2 m fixed cable , 5-wire
Material
HousingPolycarbonate
Optical facePMMA

Documents: LA31/LK31/25/31/115

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / Beipackzettel ALLPDF281 KB

CAD+CAE: LA31/LK31/25/31/115

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS512 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP288 KB
CAD Portal / CAD PortalLINK---

Approvals+Certificates: LA31/LK31/25/31/115

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-0536APDF129 KB

Associated Products: LA31/LK31/25/31/115

Accessories
Mounting bracket fa
Mounting bracket narrowfa
Mounting bracket narrowfa
Mounting aid for round steel ø 12 mm or sheet 1.5 mm ... 3 mmfa
Stainless steel mounting bracket with adjustable half clamp on the sidefa
Mounting bracket for mounting on flat surfaces with 2 M4 screwsfa