Photo Sensor M18, Light ON + Dark ON, Cable Type - LTK-1180-103

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80.00 Grams
Minimum Purchase:
1 unit


Contrinex Photoelectric Proximity Switch M18 - LTK-1180-103

Glass window, Cable connection, Standard output, PNP


As a quick report, this photoelectric sensor provides: 

  • Long operating distance of 600 mm; setting range: 40 ... 600 mm
  • High switching frequency: 1000 Hz
  • Light source: LED, red 660 nm
  • Polarity and Mounting Type: PNP | Straight
  • Sensing range max.: 0
  • Window material: glass
  • Switching time: ≤ 0,5 msec
  • Sensitivity adjustment: 3/4-turn pot.


The photoelectric sensor LTK-1180-103 has housing size of M18 and the operating principle is Diffuse. This proximity switch has Chrome-plated brass housing material and has the enclosure rating IP 67. The interface is standard output (light-on/dark-on) with PNP polarity (normally open) and the connection is PVC 2m, 4-wire.


Connection of the LTK-1180-103 photoelectric proximity sensor is is 2 m cable. This cable material is made of PVC and it is a 4 wire connection.

Sensing specifications

The diameter of LTK-1180-103 sensing side is 18 mm and the operating range of this is 40 to 600 mm.

Control output

The output of this diffuse sensor is Light-on + Dark-on PNP with switching frequency of 1000 Hz and the supply voltage range for this proximity switch is 10 to 36 VDC.


Ambient operating temperature for LTK-1180-103 proximity switch is from -25 to +55°C and temperature drift is 0,5 % / °C.

Industries / applications:

  • Industrial automation lines
  • Elevators
  • Parking facilities
  • Logistics services
  • Semiconductor devices
  • Packaging machines
  • Construction areas

series Information

Photoelectric Proximity Switch

Contrinex is a leading manufacturer of sensors for factory automation with a unique and innovative range of products whose features far surpass those of standard sensors.

Photoelectric sensors use a beam of light to detect the presence or absence of an object. This technology is used to identify the size and contrast of an object. 4 kinds of general-purpose photoelectric sensor product lines are designed to ensure advanced technology performance combined with optic & electric technology and are widely applied in various fields of industry for its optimized functions, quality, application flexibility, and reliability while remaining strongly competitive with its price among the whole industry. Application areas of photoelectric sensors include industrial automation lines, elevators, parking facilities, logistics services, semiconductor devices, packaging machines, and construction areas.

Advantages of Contrinex Photoelectric Proximity Switch

  • Long operating distance of 600 mm; setting range: 40 ... 600 mm
  • High switching frequency: 1000 Hz
  • 2 built-in LEDs for output state and excess light indication. Additional 4-hole LED on connector models
  • Sensitivity adjustment by means of built-in potentiometer
  • Short and robust metal housing: 50 mm (cable) / 63.5 mm (connector)
  • Visible red light
  • Glass window


You may want to read this sensor's catalog. If so, please click to view the LTK-1180-103 datasheet.
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Warranty Information

One Year Warranty
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Additional Information

Rated operational Distance Setting range blind zone (Sn set at 40mm):
600mm. 40…600mm. <3mm.
≤10% St.
Standard Target:
200x200 white.
Emitter (Polarized light):
LED 660nm red.
Supply voltage range UB:
Max ripple content:
≤20% UB.
Output current:
Output voltage drop:
≤2V at 200mA.
No-load supply current:
Leakage current:
Switching frequency:
≤1000 Hz.
Switching time:
Modulation freq.:
Time-delay before availability:
60m sec.
Max. ambient light, halogen:
Max. ambient light, sun:
Sensitivity setting:
LED’s: output state (yellow) Excess-gain indication (green):
Built-in. Built-in.
Ambient temperature range TA:
Temperature drift of St:
Short circuit protection:
Voltage reversal protection:
Induction protection:
Shocks and vibrations:
IEC 60947-5-2 / 7.4.
Cable length:
300m Max.
LTK-…121g/ LTS-…53g.
Degree of protection:
EMC protection::
IEC 60947-5-2 (
Level 2.
Level 3.
Level 3.
Housing material Window material:
Chrome plated brass. Glass
Connector cable:
PVC 4x0.25mm2/128x0.25mmØ.
Connector type:
S12 4-P.
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