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100 % new and original sick Sensors and Accessories SICK WTB26P-24161120A00 Compact photoelectric sensors W26

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely
and efficiently, protecting individuals from accidents and preventing damage to the environment.
We have extensive experience in a wide range of industries and understand their processes and require
ments. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer
  • WTB26P-24161120A00

  • SICK

  • 2

  • Original

  • 10-30VDC

  • 24.6 mm x 82.5 mm x 53.3 mm

  • Photoelectric proximity sensor

  • CE

  • Push-pull: PNP/NPN


100 % new and original sick Sensors and Accessories SICK WTB26P-24161120A00 Compact photoelectric sensors W26


Functional principle Photoelectric proximity sensor
Functional principle detail Background suppression

Sensing range
Sensing range min. 30 mm
Sensing range max. 1,600 mm
Adjustable switching threshold for background suppression 180 mm ... 1,600 mm
Reference object Object with 90% remission (based on standard white, DIN 5033)
Minimum distance between set sensing range and background (black 6% / white 90%) 40 mm, at a distance of 600 mm
Recommended sensing range for the best performance 200 mm ... 600 mm
Emitted beam
Light source PinPoint LED
Type of light Visible red light
Shape of light spot Point-shaped
Light spot size (distance) Ø 7 mm (700 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) <
Key LED figuresNormative referenceEN 62471:2008-09 | IEC 62471:2006, modifiedLED risk group markingFree groupWave length635 nmAverage service life100,000 h at Ta = +25 °C
AdjustmentTeach-Turn adjustmentBluePilot: For setting the sensing rangeIO-LinkFor configuring the sensor parameters and Smart Task functions
LED blue BluePilot: sensing range indicator
LED green Operating indicator
Static on: power on
Flashing: IO-Link mode
LED yellow Status of received light beam
Static on: object present
Static off: object not present
  • Safety-related parameters
    MTTFD 629 years
    DCavg 0 %
    TM (mission time)

    20 years (EN ISO 13849)

    Rate of use: 60 %

  • Communication interface

    IO-Link ✔ , V1.1
    Data transmission rate COM2 (38,4 kBaud)
    Cycle time 2.3 ms
    Process data length 16 Bit
    Process data structure Bit 0 = switching signal QL1

    Bit 1 = switching signal QL2

    Bit 2 ... 15 = empty
    VendorID 26
    DeviceID HEX 0x800178
    DeviceID DEC 8388984
    Compatible master port type A
    SIO mode support Yes
Electrical data
Supply voltage UB 10 V DC ... 30 V DC 1)
Ripple ≤ 5 Vpp
Usage category

DC-12 (According to EN 60947-5-2)

DC-13 (According to EN 60947-5-2)

Current consumption ≤ 30 mA, without load. At UB = 24 V
Protection class III
Digital output
Number 2 (Complementary)
Type Push-pull: PNP/NPN
Signal voltage PNP HIGH/LOW Approx. UB-2.5 V / 0 V
Signal voltage NPN HIGH/LOW Approx. UB / < 2.5 V
Output current Imax. ≤ 100 mA
Circuit protection outputs Reverse polarity protected

Overcurrent and short-circuit protected
Response time ≤ 500 µs 2)
Repeatability (response time) 150 µs
Switching frequency 1,000 Hz 3)
Pin/Wire assignmentFunction of pin 4/black (BK)Digital output, light switching, object present → output QL1 HIGH; IO-Link communication CFunction of pin 4/black (BK) – detailThe pin 4 function of the sensor can be configured, Additional possible settings via IO-LinkFunction of pin 2/white (WH)Digital output, dark switching, object present → output ǬL1 LOWFunction of pin 2/white (WH) – detailThe pin 2 function of the sensor can be configured, Additional possible settings via IO-Link
  • 1) Limit values.

  • 2) Signal transit time with resistive load in switching mode.

  • 3) With light/dark ratio 1:1.

  • Mechanical data
    Housing Rectangular
    Dimensions (W x H x D) 24.6 mm x 82.5 mm x 53.3 mm
    Connection Male connector M12, 4-pin
    MaterialHousingPlastic, VISTAL®Front screenPlastic, PMMAMale connectorPlastic, VISTAL®
    Weight Approx. 80 g
    Maximum tightening torque of the fixing screws 1.3 Nm
  • Ambient data
    Enclosure rating

    IP66 (EN 60529)

    IP67 (EN 60529)

    IP69 (EN 60529) 1)

    Ambient operating temperature –40 °C ... +60 °C
    Ambient temperature, storage –40 °C ... +75 °C
Shock resistance

50 g, 11 ms (25 positive and 25 negative shocks per axis, for X, Y, Z axes, 150 shocks in total (EN60068-2-27))

50 g, 6 ms (5,000 positive and 5,000 negative shocks per axis, for X, Y, Z axes, 30,000 shocks in total (EN60068-2-27))

Vibration resistance 10 Hz ... 2,000 Hz (Amplitude 0.5 mm / 10 g, 20 sweeps per axis, for X, Y, Z axes, 1 octave/min, (EN60068-2-6))
Air humidity 35 % ... 95 %, Relative humidity (no condensation)
Electromagnetic compatibility (EMC) EN 60947-5-2
Resistance to cleaning agent ECOLAB
UL File No. NRKH.E181493 & NRKH7.E181493
  • 1) Replaces IP69K with ISO 20653: 2013-03.

Dimensional drawing

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