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SICK WT260T-N490 Overview



Photoelectric Proximity Switch WT260T-N490

SICK WT260T-N490 Description



  • Long sensing ranges
  • Background suppression proximity sensor or energetic proximity sensor
  • Mounting bracket included in delivery
  • Selectable operation mode (light/dark)
  • Optional adjustable time delays
  • M12 connector or terminal chamber
  • DC and universal AC/DC voltage versions
  • Your benefits

  • Reliable object detection
  • Reliable in difficult ambient light conditions
  • Configuration controls are protected by a cover, ensuring less damage and a longer service life
  • Simplified integration due to mounting compatibility since variants for DC or DC/AC voltage supply are available in the same design
  • Teach button and adjustable time delay versions simplify integration of individual systems
  • Easy-to-use teach button reduces setup time

Features
Dimensions (W x H x D)::25 mm x 78 mm x 63 mm
Sensing range max.: 70 mm ... 2,100 mm 1)
Sensing range: 100 mm ... 2,000 mm
Housing desig (light emission):Cuboid
Light source:LED 2)
Type of light:Infrared light
Adjustment of operating distance:automatic, via teach-in button
Sensor/detection principle:Photoelectric proximity sensor, Background suppression
Light spot (distance):200 mm (2,000 mm)
1) Object with 90 % reflectance (referred to standard white DIN 5033) 2) Average service life 100,000 h at Ta = +25 C
Mechanics/electronics
Enclosure rating:IP 67
Supply voltage:10 V DC ... 30 V DC
1)
Residual ripple:≤ 10 % 2)
Power consumption:≤ 55 mA 3)
Switching output:NPN, light/dark-switching, selectable via light/dark selector, open collector
Output current Imax.:100 mA
Response time:≤ 5 ms 4)
Switching frequency:100 Hz 5)
Connection type:Connector M12, 4-pin
Protection class:II 6)
Circuit protection:A
B
C
D 7) 8) 9) 10)
Weight:120 g
Housing material:ABS
Optics material:PMMA
Ambient temperature, operation:-25 C ... 55 C
Ambient temperature, storage:-40 C ... 70 C
Items supplied:mounting bracket BEF-W260
Angle of dispersion:6
1) Limit values, operation in short-circuit protected network max. 8 A 2) May not exceed or fall short of VS 3) Without load 4) Signal transit time with resistive load 5) With light/dark ratio 1:1 6) Reference voltage 50 V DC 7) A = VS connections reverse-polarity protected 8) B = inputs and output reverse-polarity protected 9) C = interference suppression 10) D = outputs overcurrent and short-circuit protected



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