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SICK WT45-R250 Overview



Photoelectric Proximity Switch WT45-R250 UC 24...240 V, relay

SICK WT45-R250 Description



  • Long background suppression sensing range
  • Rugged metal housing
  • Optional: Powerful front lens heating
  • Optional test input and time delays
  • Variants for 10 - 60 V DC or 24 - 240 V DC / 24 - 240 V AC voltage supply
  • IR emitter
  • Your benefits

  • Very large sensing distance
  • Rugged metal housing ensures a long service life in harsh industrial environments
  • Front lens heating prevents condensation for reliable operation in outdoor applications.
  • Multiple functions for simpler integration of individual systems
  • Variants DC voltage and universal AC/DC voltage provides installation flexibility due to same housing

Features
Dimensions (W x H x D)::60 mm x 105 mm x 105 mm
Sensing range max.: 200 mm ... 2,000 mm 1)
Sensing range: 200 mm ... 2,000 mm
Housing desig (light emission):Cuboid
Light source:LED 2)
Type of light:Infrared light
Delay time:Adjustable via time delay selector switch: 0.5 ... 12 s
Adjustment of operating distance:Potentiometer
Time type:Switch on delay
time delay off
ON and OFF delay
Sensor/detection principle:Photoelectric proximity sensor, Background suppression
Light spot (distance):35 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:24 V AC/DC ... 240 V AC/DC 1)
Switching output:Relay, light/dark-switching, light-/dark-switching selectable via time delay selector switch, change-over contacts, electrically isolated 2)
Response time:≤ 20 ms
Switching frequency:10 Hz 3)
Connection type:Terminal connection with PG13,5, 6-pin
Protection class:I
Circuit protection:A
C
4) 5)
Weight:800 g
Ambient temperature, operation:-25 C ... 55 C 6)
Ambient temperature, storage:-40 C ... 70 C
Output state-LED:
Front screen heating:
Power consumption:≤ 6 VA
Switching current (switching voltage):4 A (240 V AC)
4 A (24 V DC)
Usage category:AC-15, DC-13, according to EN 60947-1
1) +10 %, -25% 2) Provide suitable spark supression for inductive or capacitive loads 3) With light/dark ratio 1:1 4) A = VS connections reverse-polarity protected 5) C = interference suppression 6) Up to 140 C with cooling plates (see accessories)


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