Serviceline Industrial Sensors
Serviceline Explosion Protection

Retroreflective sensor RL39-54/32/40a/73c/82a

  • Glare protected with polarization filter
  • Visible red light
  • Light/dark ON, switchable
  • Degree of protection IP67

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 or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  RL39-54/32/40a/73c/82a

Product Description
Retroreflective sensor for standard applications, polarization filter, detection range 12 m, red light, sensitivity adjuster, light/dark on, prefault output, PNP output, M12 plug
General specifications
Effective detection range0 ... 5 m
Reflector distance0.1 ... 5 m
Threshold detection range6 m
Reference targetH50 reflector
Light sourceLED red
Light typemodulated visible red light
Polarization filteryes
Ambient light limitIEC / EN 60947-5-2 , 10000 Lux
Functional safety related parameters
MTTFd800 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 voltage10 ... 30 V DC
Ripple10 %
No-load supply current≤ 20 mA
Time delay before availability≤ 300 ms
Pre-fault indication output1 PNP, active when falling short of the stability control
Switching typelight/dark on
Signal output1 PNP output, short-circuit protected, reverse polarity protected, open collector
Switching voltagemax. 30 V DC
Switching currentmax. 200 mA , resistive load
Voltage drop≤ 3 V
Switching frequency≤ 300 Hz
Response time≤ 1.5 ms
Product standardEN 60947-5-2
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 55 °C (-13 ... 131 °F)
Storage temperature-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Housing width25 mm
Housing height64 mm
Housing depth75 mm
Degree of protectionIP67
Connection4-pin, M12 x 1 connector
Optical facePMMA
Massapprox. 100 g
General information
Scope of deliveryMounting aid , Reflector

Documents: RL39-54/32/40a/73c/82a

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / Beipackzettel ALLPDF325 KB

CAD+CAE: RL39-54/32/40a/73c/82a

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS296 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP200 KB
CAD Portal / CAD PortalLINK---

Approvals+Certificates: RL39-54/32/40a/73c/82a

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-2134APDF185 KB