WT250-N440 SICK Standard photoelectric switch NEW

WT250-N440 SICK Standard photoelectric switch NEW

Product Description:

Background suppression

Continuous adjustment of scanning distance, scanning distance control (2 turns) with position indicator (270°)

Visible red light as an alignment aid

M12 plug rotatable by 90°

Specifications:

Scanning distance, adjustable	Max. 5...310 mm1)
	Min. 15...90 mm1)
Scanning distance, adjustable	Potentiometer, 2 turns,
	with position indicator
Light source2), light type	LED, visible red light
Light spot diameter	Approx. 35 mm at 500 mm
Angle of dispersion, sender	Approx. 3
Supply voltage VS	10...30 V DC3)
Ripple4)	≤ 5 VSS
Current consumption5)	≤ 35 mA
Switching outputs	PNP, open collector: Q
	NPN, open collector: Q
Output current IA max.	100 mA
Light receiver, switching type	Light-/dark-switching via control wire:
	+VS=light-switching
	0 V = dark-switching
Response time6)	≤ 2 ms
Max. switching frequency7)	250/s
Connection types	Cable PVC, 2 m8)
	4 x 0.18 mm2, l 3.8 mm
	Plug M 12, 4-pin, 90° rotatable
VDE protection class9)	?
Circuit protection10)	A, B, C, D
Enclosure rating	IP 67
Ambient temperature TA	Operation – 25 °C...+ 55 °C
	Storage – 40 °C...+ 70 °C
Weight	with cable 2 m Approx. 80 g
	with plug M 12, 4-pin Approx. 40 g
Housing material	Housing: ABS; optics: PC

 

1) 90 % remission of material scanned (based on standard white according to DIN 5033)

2) Average service life TA = + 25 °C; LED, red light 100,000 h

3) Limit value

4) May not exceed or fall short of VS tolerances

5) Without load

6) Signal transit time with resistive load

7) With dark/light ratio 1:1, without time level

8) Do not bend cable below 0 °C

9) Reference voltage 50 V DC

10) A = VS connections reverse-polarity protected

B = Output Q short-circuit protected

C = Interference pulse suppression

D= Output overcurrent and short-circuit protected

11) Black = 6 % remission

Gray = 18% remission

White = 90 % remission