ELF-4, Photoelectric retro-reflective sensor Sick EL4-F2428 (1044688)

Photoelectric sensors
ELF-4, Photoelectric retro-reflective sensor   Model Name EL4-F2428 Part No. 1044688   Самое главное Flush red lens Polarization filter Clear back cover for highly visible status indication 24 mm spherical front mount and 18 mm base mount Status and output indicator IP 67-rated housing for harsh environments Преимущества 24 mm spherical front mount and 18 mm base mount provide increased mounting flexibility A wide range of customizable options reduces material and labor costs Flush red lens provides an increased sensing range for a broader range of application possibilities IP 67-rated housing offers a long service life that stands up to harsh environments, reducing maintenance time and costs Highly visible status/power indicator provides quick and easy troubleshooting from a distance Small sensor footprint easily fits into applications with limited space Polarization filter provides reliable object detection of shiny objects

Features
	Dimensions (W x H x D):	23.8 mm x 43.4 mm x 33.6 mm
	Sensing range max.:	0.1 m ... 4.8 m 1)
	Sensing range:	0.1 m ... 3 m 2)
	Housing design (light emission):	Hybrid
	Light source:	LED 3)
	Type of light:	Visible red light
	Wave length:	660 nm
	Thread diameter (housing):	M18
	Sensor/detection principle:	Photoelectric retro-reflective sensor
	Light spot (distance):	1 m

1) 2) PL80A  3) Average service life 100,000 h at Ta = +25 °C

Mechanics/electronics
	Enclosure rating:	IP 67
	Supply voltage:	10 V DC ... 30 V DC 1)
	Residual ripple:	< 5 Vpp 2)
	Power consumption:	< 20 mA 3)
	Switching output:	PNP, Dark-switching
	Output current Imax.:	50 mA
	Switching frequency:	400 Hz 4)
	Connection type:	Connector M12, 4-pin
	Protection class:	III 5)
	Circuit protection:	A D 6) 7)
	Weight:	0.014 kg, 0.03 lbs
	Housing material:	Glass fiber reinforced ABS plastic
	Ambient operating temperature:	-25 °C ... 50 °C
	Ambient storage temperature:	-40 °C ... 70 °C
	Polarisation filter:	Yes
	Items supplied:	Mounting nut M18
	Front screen heating:	-

1) Limit values  2) May not exceed or fall short of VS  3) Without load  4) With light/dark ratio 1:1  5) Reference voltage 50 V DC  6) A = VS connections reverse-polarity protected  7) D = outputs overcurrent and short-circuit protected

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