Serviceline Industrial Sensors
Serviceline Explosion Protection

Thru-beam sensor LA39/LK39/31/40a/116

  • Light/dark ON, switchable
  • Supplied with mounting accessory
  • Degree of protection IP67

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of LA39/LK39/31/40a/116

Product Description
Thru-beam sensor, 20 m detection range, infrared light, light/dark on, AC/DC version, relay contact output, sensitivity adjuster, terminal compartment
System components
General specifications
Effective detection range0 ... 20 m
Threshold detection range25 m
Light sourceIRED
Light typemodulated infrared light
Functional safety related parameters
MTTFd916 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
Function indicatorLED yellow: switching state
LED red: pre-fault indication
Control elementsSensing range adjuster, light-on/dark-on changeover switch
Electrical specifications
Operating voltage12 ... 240 V DC / 24 ... 240 V AC (50 ... 60 Hz)
Switching typelight/dark on
Signal output1 relay output
Compliance with standards and directives
Directive conformityEMC Directive 2004/108/EC
EMC Directive 2004/108/ECEN 60947-5-2:2007+A1:2012 IEC 60947-5-2:2007+A1:2012
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
Housing width25 mm
Housing height64 mm
Housing depth75 mm
Degree of protectionIP67
Connectionterminal compartment PG9, ≤ 2.5 mm2
Optical facePMMA

Documents: LA39/LK39/31/40a/116

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / BeipackzettelALLPDF465 KB

CAD+CAE: LA39/LK39/31/40a/116

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS260 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP182 KB

Approvals+Certificates: LA39/LK39/31/40a/116

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0296BPDF185 KB

Associated Products: LA39/LK39/31/40a/116

Mounting bracket for RL39 series Sensorsfa