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Home / All / Sensor Products / Photoelectric Sensors / DK-GF18 Series / DK-GF18-50J-ZAB AC/DC Relay Output Diffuse Photoelectric Sensor, 80-500 mm
DK-GF18-50J-ZAB AC/DC Relay Output Diffuse Photoelectric Sensor, 80-500 mm
DK-GF18-50J-ZAB AC/DC Relay Output Diffuse Photoelectric Sensor, 80-500 mmDK-GF18-50J-ZAB AC/DC Relay Output Diffuse Photoelectric Sensor, 80-500 mm

DK-GF18-50J-ZAB AC/DC Relay Output Diffuse Photoelectric Sensor, 80-500 mm

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CategoriesDK-GF18 Series
BrandDADISICK
Product SpecificationsDK-GF18-50J-ZAB
ModelDK-GF18-50J-ZAB
Sensing modeDiffuse reflection
Sensing distance80-500 mm adjustable
Light source850 nm infrared
Operating voltage12-240 V DC / 24-240 V AC
Output5-wire relay
Maximum load current3 A / 30 V AC, 1 A / 220 V AC
Protection levelIP55
Housing50 x 50 x 18 mm, ABS
Response time20 ms
Switching frequency10 Hz
ConnectionØ6.5 mm 2 m PVC cable
WeightAbout 95 g
CertificationCE, RoHS
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Detail Information

DADISICK · DK-GF18 Series

DK-GF18-50J-ZAB AC/DC Relay Output Diffuse Reflection Sensor

AC/DC wide-voltage diffuse reflection sensor with a built-in 5-wire relay output that drives loads directly at 3 A / 30 V AC or 1 A / 220 V AC. Adjustable 80-500 mm sensing distance.

  • 80-500 mm adjustable
  • 12-240 V DC / 24-240 V AC
  • Relay output
  • IP55
  • CE
  • RoHS
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DK-GF18-50J-ZAB AC DC relay output diffuse photoelectric sensor
AC/DC diffuse reflection version with 2 m PVC cable.

Technical parameters

ParameterValue
Sensing distance80-500 mm, adjustable
Light source850 nm infrared light
Protection levelIP55
Connection methodØ6.5 mm 2 m PVC cable, 3x0.33 mm²
WeightAbout 95 g
Operating voltage12-240 V DC / 24-240 V AC
Output typeAC/DC 5-wire relay output
Relay outputYes
Maximum load current3 A / 30 V AC, 1 A / 220 V AC
No-load current≤20 mA
Voltage drop≤2.5 V
Switching frequency10 Hz
Response time20 ms
Switching hysteresis<15% (Sr)
Repeat accuracy<5% (Sr)
Working temperature0 °C to +55 °C
Standard detection object200 x 200 mm white cardboard
Housing50 x 50 x 18 mm, ABS
IndicatorRed LED
CertificationCE, RoHS

All values are taken from the DK-GF18 technical data sheet, revision dated 2026-04-20. Dimensions are for reference only; please refer to the actual measurement.

Dimensions

DK-GF18 AC DC version dimension drawing 50 mm x 50 mm x 18 mm
50 x 50 mm face, 33 mm body depth, 18 mm thickness and Ø5 mm cable entry.
DK-GF18 sensor with 2 m PVC cable and reflective board
Sensor with 2 m PVC cable; a reflective board is supplied with retro-reflective versions.

Wiring

AC DC 5-wire relay output wiring diagram for DK-GF18-50J-ZAB
AC/DC 5-wire relay output. Brown supply, Blue 0 V, Black NO, Gray COM, White NC.
Wire colourFunction
Brown+12-240 V DC / 24-240 V AC
Blue0 V
BlackNO contact
GrayCOM terminal
WhiteNC contact

Confirm the wiring against the label of the unit received before energising. Do not connect the output to a load exceeding the rated current.

Request a quotation for DK-GF18-50J-ZAB

Tell us the target object, sensing distance, supply voltage and quantity. Our engineers will confirm the exact part number and send you a quotation. This model is a general-purpose photoelectric sensor for object detection; it is not a safety-rated device and must not be used for personnel protection.

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