WE45-N250 SICK Standard photoelectric switch NEW

WE45-N250 SICK Standard photoelectric switch NEW

Product Description:

Robust metal housing

Red light

Adjustable sensitivity

Front lens heating, optional

Pre-failure signalling output

Specifications:

Scanning range, max. typical	350 m
SensitivityAdjustable	Adjustable
Light source1), light type	LED, infrared light
Light spot diameter	Approx. 4.5 m at 300 m
Angle of dispersion	Approx. 0.9°
Supply voltage VS	10...60 V DC2)
Ripple3)	< 5 VSS
Current consumption4)
sender without heating	≤ 50 mA
sender with heating	≤ 250 mA
receiver without heating	≤ 50 mA
receiver with heating	≤ 250 mA
Switching outputs	PNP, Q and Q
	NPN, Q and Q
Output current IA max.	200 mA
Response time5)	≤ 500 μs
Max. switching frequency6)	1000/s
Pre-failure signalling output	Alarm
Max. output current IAlarm	100 mA, open collector
Insufficient light received	Flashes at approx. 5/s, switch to VS
Test input ”TE”, sender OFF	PNP: Test input to O V
Connection type	Terminal connection
Circuit protection7)	A, B, C
Enclosure rating	IP 67
Ambient temperature TA	Operation – 25 °C...+ 55 °C8)
	Storage – 40 °C...+ 70 °C
Weight	Approx. 800 g
Housing material	Metal housing

 

1) Average service life 100,000 h at TA = + 25 °C

2) Limit values

3) May not exceed or fall short of VS tolerances

4) Without load

5) Signal transit time with resistive load

6) With light/dark ratio 1:1

8) Up to 140 °C with cooling plates (see Accessories)

7) A = VS connections reverse-polarity protected

B = Output QN and QP short-circuit protected

C = Interference pulse suppression