Serviceline Industrial Sensors
Serviceline Explosion Protection

Thru-beam sensor GA18-S/GK18-S/59/161/166

  • Efficient Line in a short M18 plastic housing for standard applications
  • Very high detection range
  • 4 LEDs indicator for 360° visibility
  • Sidelookerversion
  • Universal usage at different power supplies

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  GA18-S/GK18-S/59/161/166

Product Description
Thru-beam sensor, M18 threaded housing design, plastic housing, side optical face, 12 m detection range, red light, dark on, AC/DC version, NPN-FET output, micro plug
System components
General specifications
Effective detection range0 ... 12 m
Threshold detection range17.5 m
Light sourceLED
Light typemodulated visible red light , 640 nm
Diameter of the light spotapprox. 650 mm at 17.5 m
Angle of divergenceapprox. 2 °
Optical facelateral
Ambient light limit30000 Lux
Accessories providedMounting aids
Indicators/operating means
Operation indicatorLED green, statically lit Power on
Function indicatorReceiver: LED yellow, lights up when light beam is free, flashes when falling short of the stability control ; OFF when light beam is interrupted
Electrical specifications
Operating voltage20 ... 250 V AC/DC
No-load supply current< 2.5 mA per device
Switching typedark on
Signal outputN-channel MOSFET, short circuit protected
Switching voltagemax. 250 V AC/DC
Switching currentmax. 200 mA
Voltage drop≤ 3.5 V AC/DC
Switching frequency50 Hz
Response time≤ 10 ms
Product standardEN 60947-5-2
Compliance with standards and directives
Standard conformity
StandardsUL 508
Approvals and certificates
EAC conformityTR CU 020/2011
TR CU 004/2011
Protection classII, rated insulation voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1
UL approvalcULus Listed, Type 1 enclosure
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Degree of protectionIP67
ConnectionMicro AC connector, 1/2" V124 ; 4-pin
HousingABS / PBT
Optical facePMMA
Massapprox. 10 g per device

Documents: GA18-S/GK18-S/59/161/166

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / Beipackzettel ALLPDF805 KB

CAD+CAE: GA18-S/GK18-S/59/161/166

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS3203 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP2715 KB
CAD Portal / CAD PortalLINK---

Approvals+Certificates: GA18-S/GK18-S/59/161/166

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-1874APDF155 KB
China CQC CCC2012010305589561PDF306 KB

Associated Products: GA18-S/GK18-S/59/161/166


Mounting flange, 18 mmfa

Universal mounting bracket for cylindrical sensors with a diameter of 5 ... 30 mmfa
Mounting Bracket with swivel nutfa
Plastic mounting adapter, 18 mmfa

Function: GA18-S/GK18-S/59/161/166

The GLV/GLK18 series sensors help improve the efficiency of machines and systems. The design of the M18 plastic housing, the connection technology, and sensor properties are highly standardized. Concentrating on the key sensor requirements has produced a robust and reliable product series for DC and AC/DC voltage systems without any over-engineering. The mounting set included in the scope of delivery and the optimized potentiometer design ensure fast assembly and easy configuration.