WL45-N250 SICK Standard photoelectric switch NEW

WL45-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/on refl.	55 m /OP 60
SensitivityAdjustable	Adjustable
Light source1), light type	LED, visible red light
Light spot diameter	Approx. 230 mm at 16 m
Supply voltage VS	10...60 V DC2)
Ripple3)	< 5 VSS
Current consumption4)	≤ 50 mA
	≤ 250 mA, front lens heating
Switching outputs	PNP, Q and Q
	NPN, Q and Q
Output current IA max.	200 mA
Response time5)	≤ 1.2 ms
Max. switching frequency6)	400/s
Pre-failure signalling output	Alarm
Output current IA max.	100 mA, open collector
Insufficient light received	Flashes at approx. 5/s, switch to VS
(Reserve < 50 %)
Test input ”TE”
Sender OFF	PNP: Test input to O V
	NPN: Test input to VS
Connection type	Terminal connection
VDE protection class7)	&#2;
Circuit protection8)	A, B, C
Enclosure rating	IP 67
Ambient temperature TA9)	Operation – 25 °C...+ 55 °C
	Storage – 40 °C...+ 70 °C
Weight	Approx. 800 g
Front lens heating
Polarising filter
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

7) Reference voltage 50 V DC

8) A = VS connections reverse-polarity protected

B = Output QN and QP short-circuit protected

C = Interference pulse suppression

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