LSO-R18S-S300-LD 281991 EATON ELECTRIC 281991 LSO-R18S-S300-LD View larger
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LSO-R18S-S300-LD 281991 EATON ELECTRIC 281991 LSO-R18S-S300-LD





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Retroflective sensing sensor, Sn=300mm, 4L, 10-30VDC, NPN, PNP, M18, metal, line 2m

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Retroflective sensing sensor, Sn=300mm, 4L, 10-30VDC, NPN, PNP, M18, metal, line 2m
Alternate Catalog No.
EL-Nummer (Norway)
LSO series, optical sensor, degree of protection IP67, operating temperature range –25 to +70 °C, correspond to IEC 60947-5-2

Delivery program

Basic function
Optical proximity switches
Part group reference
Product range
Reflected-light beam
Operating range [Sd]
300 mm
M18 x 1 mm
Terminal connection
2 m connection cable
Maximum load current [Ie]
< 150 mA

Technical data

IEC/EN 60947-5-2
Ambient temperature
40 - +70
Degree of Protection
300 mm
Rated operating voltage [Ue]
10 - 30 V DC
Maximum load current [Ie]
< 150 mA
Operating current in the switched state at 24 V DC [Ib]
25 mA
Max. operating frequency (resistive load) [f]
≦ 160 Hz
Overcurrent release
220 mA
Readiness delay [tv]
100 ms
Switching state display
Yellow LED
Alarm display
Yellow, flashing LED
Operating voltage display
red LED
Fault display
Green, flashing LED
Short-circuit and reverse polarity protection
Output function
StyleThreaded barrel
M18 x 1 mm
Connection optionsCable, open
Connection optionsConnector M12, “A”-keyed
Enclosure materialPlastic
Enclosure materialMetal
Stainless steel 1.4301
Enclosure nut tightening torquePlastic
5 Nm
Enclosure nut tightening torqueMetal
25 Nm

Switching range Sd[mm] with LSO

The switching range is defined conform to IEC/EN 60947-5-2. It relates to reflected-light beams on a white paper card with a 90 % degree of reflection and

  • 100 mm edge length with Sd< 400 mm
  • 200 mm edge length with Sd≧ 400 mm

Correction factor with LSO as an optical sensor:

Paper, matt white, 200 g/m21.0 x Sd

Metal, gloss 1.2…1.6 x Sd

Aluminium, black anodized 1.1…1.8 x Sd

Expanded polystyrene, white 1 x Sd

Cotton, white 0.6 x Sd

PVC, grey 0.5 x Sd

Wood, untreated 0.4 x Sd

Carton, black, gloss 0.3 x Sd

Carton, black, matt 0.1 x Sd

Short-circuit protection monitored

DC-operated proximity switches are proof against short-circuit. The device is not damaged by the effects of a short-circuit. No matter how long its duration. Once the fault has been cleared, the switch is immediately ready for operation again.


Design verification as per IEC/EN 61439

Operating ambient temperature min.
40 °C
Operating ambient temperature max.
+70 °C



Datasheet - PDF

Title: Size: Type:
LSO-R18S-S300-LD - 281991 281991_EN.pdf 147 Kbytes   LSO-R18S-S300-LD - 281991 281991_EN.pdf

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