Serviceline Industrial Sensors
Serviceline Explosion Protection

Safety thru-beam sensor SLA29/35/105/106

  • Sensing range up to 65 m
  • Self-monitoring (type 4 according to IEC/EN 61496-1)
  • Extended temperature range up to -35 °C with heated front panel
  • Red transmission light
  • Integrated alignment aid
  • Clearly visible LED functional display and pre-fault indicator on the receiver
  • Operation on control units of SB4 (SafeBox)

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  SLA29/35/105/106

System components
General specifications
Effective detection range6 ... 65 m
Threshold detection range85 m
Light sourceLED
Light typemodulated visible red light
Target sizestatic: 30 mm
dynamic: 40 mm (at v = 1.6 m/s of the obstacle)
Alignment aidLED red in receiver
Opening angle< 5 °
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Performance level (PL)PL e
CategoryCat. 4
Mission Time (TM)20 a
PFHd0.44 E-9
Indicators/operating means
Operation indicatorLED green
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 voltagePower supply via control unit
Protection classIII , IEC 61140
Functional safetyISO 13849-1
Product standardEN 61496-1 ; IEC 61496-2
Approvals and certificates
CE conformityCE
UKCA conformityUKCA
UL approvalcULus Listed
TÜV approvalTÜV SÜD
Ambient conditions
Ambient temperature-35 ... 55 °C (-31 ... 131 °F) with heated optical face, fixed voltage 24 V DC ± 20 %/50 mA
Storage temperature-20 ... 70 °C (-4 ... 158 °F)
Relative humiditymax. 95 %, not condensing
Shock resistance10 g , 16 ms ; stationary applications only
Vibration resistance1 mm , 10 ... 55 Hz ; stationary applications only
Mechanical specifications
Degree of protectionIP67 according to EN 60529
ConnectionM12 connector, 5 pin
HousingABS plastic, RLA 1021 (yellow) painted
Optical facePlastic pane
Massper device 70 g
Height88 mm
Width25.8 mm
Depth54.3 mm


ECLASS 13.027272701
ECLASS 12.027272701
ECLASS 11.027272701
ECLASS 10.0.127272701
ECLASS 9.027272701
ECLASS 8.027272701
ECLASS 5.127272701
ETIM 9.0EC002716
ETIM 8.0EC002716
ETIM 7.0EC002716
ETIM 6.0EC002716
ETIM 5.0EC002716
UNSPSC 12.146171620

Details: SLA29/35/105/106

Product Documentation: SLA29/35/105/106

Language Selection:
Brief InstructionsLanguageFile TypeFile Size
Instruction leaflet / BeipackzettelALLPDF418 KB

Design / Simulation: SLA29/35/105/106

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D additional / CAD 3-D additionalALLSTP144 KB
CAD Portal / CAD PortalALLLINK---

Approvals: SLA29/35/105/106

Language Selection:
CertificatesCert No.LanguageFile TypeFile Size
/cert/cert1312d.pdfZ10 020068 0099ALLPDF365 KB
/cert/cert4281a.pdfUL-CA-L215245-21-10607002-2 / UL-US-L215245-11-10607002-3ALLPDF570 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2144CALLPDF484 KB
UK Declaration of Conformity (P+F) / UK-Konformitäterklärung (P+F)DOC-7145ALLPDF441 KB

Software: SLA29/35/105/106

Language Selection:
Software ToolsRelease InfoFile TypeFile Size
SISTEMA Library Sensors / SISTEMA-Bibliothek SensorenZIP131 KB

Associated Products: SLA29/35/105/106

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Functional Safety Hub from Pepperl+Fuchs

Several hundred products with a SIL/PL assessment, free tools, and brochures in one place: the "Functional Safety Hub" is your starting point when you have to implement safety functions.