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Xinling Electrical Co., Ltd. China

Photoelectric Switch, Photoelectric Sensor, Switch manufacturer / supplier in China, offering Through-Beam Type Photoelectric Switch (GD, GDK), Solid State Relay/SSR (HHG1-3/250F-38 10-120A), 100W Single Phase Output Switching Power Supply with CE (S-100W) and so on.

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Supplier Homepage Product Proximity Switch/Sensor Through-Beam Type Photoelectric Switch (GD, GDK)

Through-Beam Type Photoelectric Switch (GD, GDK)

FOB Price: US $8.33-17 / Piece
Min. Order: 1 pair
Min. Order FOB Price
1 pair US $8.33-17/ Piece
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Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: GDK-5; GDK-10
  • Usage: Position Sensor
  • Output Power: 1va
  • Contact Capacity: AC250V 5A
  • Trademark: CLIN
  • Material: Polymer
  • Working Power: DC24V; AC24V, 36V, 110V, 220V, 380V
  • Output Voltage: DC12V
  • Outline Dimension: 40*57*78mm
  • Origin: Wenzhou, China
Product Description
A photoelectric switch is a device used to detect the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are used extensively in machinery, textile, metallurgy, tobacco, railway, war industry and so on. There are three different functional types: Through beam (opposed), retroreflective, and diffused type ( proximity-sensing).

A through beam (opposed) arrangement consists of a receiver located within the line-of-sight of the transmitter. In this mode, an object is detected when the light beam is blocked from getting to the receiver from the transmitter.

A retroreflective arrangement places the transmitter and receiver at the same location and uses a reflector to bounce the light beam back from the transmitter to the receiver. An object is sensed when the beam is interrupted and fails to reach the receiver.

A diffused (proximity-sensing) arrangement is one in which the transmitted radiation must reflect off the object in order to reach the receiver. In this mode, an object is detected when the receiver sees the transmitted source rather than when it fails to see it.

Some photoelectric switches have two different operational types: Light operate(light-on) and dark operate(dark-on). Light operate photoelectric switches become operational when the receiver "receives" the transmitter signal. Dark operate photoelectric switches become operational when the receiver "does not receive" the transmitter signal.
Operating  State  of  Output Groove  (U)  shape  type   Through  beam  type
AC  Relay  outputLight-On/GDK-5
GDK-10
Relay  output  AC12VGD-GH050W
Detection  distance56mm± 1%≤ 15m
Detected  Object 
Opaque  Object
Response  FrequencyDC: 2.5ms;   AC: 30msAC: 30ms
Supply  Voltage
DC(NPN, PNP): 6-36VDC;   AC: 90-250VAC  AC/DC: 12-240VDC/24-240VAC
Consumption  Current
DC(NPN, PNP): 8mA/12V, 15mA/24V
Control  Output
DC(NPN, PNP): 8mA/12V, 15mA/24V
Circuit  Protection
DC(NPN, PNP): reversal  connection  protection,   surge  absorption, load  short-circuit  protection 
Intensity  of  Illumination  of  Working  Environment
Sunlight  under  10, 000LX; Incandescent  lamp  under  3, 000LX
Temperature 
" -25-  +75  Centigrade(non-freezing  condition)
Humidity
35-95%RH
Residual  Voltage
DC(NPN, PNP): below  1V
Insulation  Resistance
above  50MΩ (DC500V)
Enduring  Voltage
AC1000V  50/60Hz  1min  between  charging  part  and  housing
Protection  Grade
IP67
Material
ABS
 
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