• MECHANICS/ELECTRONICS

  Supply voltage	10 V DC ... 30 V DC 1)
  Ripple	< 5 Vpp 2)
  Power consumption	30 mA 3)
  Switching output	NPN 4)
  Output function	Complementary
  Switching mode	Light/dark switching 4)
  Output current Imax.	≤ 100 mA 5)
  Response time	< 0.333 ms 6)
  Switching frequency	1,500 Hz 7)
  Connection type	Cable, 4-wire, 2 m 8)
  Cable material	PVC
  Conductor cross-section	0.14 mm²
  Circuit protection	A 9) B 10) C 11)
  Protection class	III
  Weight	80 g
  Housing material	Plastic, VISTAL®
  Optics material	Plastic, PMMA
  Enclosure rating	IP66 IP67 IP69K
  Ambient operating temperature	–40 °C ... +60 °C
  Ambient storage temperature	–40 °C ... +75 °C
  UL File No.	NRKH.E181493

  • 1) Limit values when operated in short-circuit protected network: max. 8 A.
  • 2) May not exceed or fall below Uv tolerances.
  • 3) Without load.
  • 4) Q = light switching.
  • 5) At and above Tu 50 °C, a max. load current of Imax. = 50 mA is permitted.
  • 6) Signal transit time with resistive load.
  • 7) With light/dark ratio 1:1.
  • 8) Do not bend below 0 °C.
  • 9) A = VS connections reverse-polarity protected.
  • 10) B = inputs and output reverse-polarity protected.
  • 11) C = interference suppression.

• CLASSIFICATIONS

Technical drawings

Dimensional drawing WT9-3

Adjustments possible Potentiometer

Connection diagram Cd-094

Characteristic curve WTB9-3, red light, 350 mm

Light spot size WT9-3, red light, 350 mm

Sensing range diagram WT9-3, red light, 350 mm