Light Curtains

Safety light curtains are also known as safety light barriers or safety light screens. These optoelectronic devices are used to detect people present in the vicinity of moving machinery. Light curtains can be used as an alternative to mechanical barriers and other forms of traditional machine guarding. Set of light curtains contains transmitter head and receiver head. A transmitter generates an infra-red light between the two heads which acts as a detection zone. A movement detected within the detection zone initials the machine stopping procedure and automatically disconnect all hazardous machinery. To reactivate the machinery, an operator has to press reset button that is positioned outside of the danger area. Some models are equipped with an auto-reset option that automatically starts machinery once the detection zone is free of obstacles. A response time of all light curtains is just a fraction of a second, it means that no other barrier type can compare to that.

Selecting the right light curtains
Maximum scanning distance and beam resolution are 2 important attributes that determine the right device for you. A distance between transmitter and receiver can be various from 0 to 20m and the choice depends on the type of machinery that is used in conjunction with the curtain.
Beam resolution determines detection capability, light curtains with 14 mm beam resolution are able to detect small body parts such as a finger, 20 mm ones are suitable for palm detection. Beam resolution of 20 mm and above are ideal for hand, head or full body detection. Typical beam resolution values are between 14mm to even 70 mm.
The physical size of curtains is also important. Some model can be small as hand but the other ones are even 2.5 m long.

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Description Price Range Series Beam Resolution Component Type Safety Type SIL IEC 61508 PL EN ISO 13849-1 Number of Beams Protective Height Minimum Scanning Distance Maximum Scanning Distance Maximum Response Time Supply Voltage Application
RS Stock No. 125-0675
Mfr. Part No.F3SG-2RE0320P14
BrandOmron
$961.36
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 31 320mm 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 146-5848
Mfr. Part No.SLC440COM-R-0810-14
BrandSchmersal
$3,029.42
Each
units
SLC440COM 440 14mm Receiver - - - 80 810mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 182-9576
Mfr. Part No.SLLP40-1120P88
BrandBanner
$5,120.37
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1120mm - 12m 11.6 ms 24 V dc Area
RS Stock No. 127-8298
Mfr. Part No.XUSL2E30H091N
$2,922.54
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 46 910mm 0m 4 m, 12 m 13 ms 24 V dc Hand
RS Stock No. 127-8326
Mfr. Part No.XUSL4E14F031N
$2,551.61
1 Pair of 1
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 E 30 310mm 0 m, 1 m 3 m, 6 m 5.5 ms 24 V dc Finger
RS Stock No. 182-9548
Mfr. Part No.SLLP23-980P88
BrandBanner
$3,869.57
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 980mm - 12m 16.7 ms 24 V dc Area
New
RS Stock No. 196-4086
Mfr. Part No.XUSL4MA30H046N
$5,147.47
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 23 460mm 0m 4 m, 12 m 9.5 ms 24 V dc Hand
New
RS Stock No. 196-4115
Mfr. Part No.XUSL4MB30H121N
$4,452.19
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 61 1210mm 0m 4 m, 12 m 17.6 ms 24 V dc Hand
RS Stock No. 701-9301
Mfr. Part No.C4MT-12034ABB03FE0
BrandSick
$3,407.28
Each
units
- C4MT 34mm Receiver, Sender 4 3 E - 1200mm 0m 5m 13 ms 24 V dc Hand
RS Stock No. 127-8299
Mfr. Part No.XUSL2E30H136N
$4,014.08
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 68 1360mm 0m 4 m, 12 m 17.5 ms 24 V dc Hand
RS Stock No. 913-9273
Mfr. Part No.C2C-EA09030A10000
BrandSick
$950.40
Each
units
DeTec2 Core - 30mm Receiver 2 1 C - 900mm 0m 10 (Minimum) m, 12 (Typical) m 11 ms 24 V dc Body, Hand
RS Stock No. 127-8327
Mfr. Part No.XUSL4E14F046N
$2,967.57
1 Pair
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 E 45 460mm 0 m, 1 m 3 m, 6 m 7.5 ms 24 V dc Finger
RS Stock No. 136-3372
Mfr. Part No.C4C-EA03030A10000
BrandSick
$911.42
Each
units
DeTec4 Core C4C 30mm Receiver - - - - 300mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 136-3378
Mfr. Part No.C4C-SA12030A10000
BrandSick
$2,436.32
Each
units
DeTec4 Core C4C 30mm Sender - - - - 1200mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 182-9529
Mfr. Part No.SGSSP4-300Q88
BrandBanner
$2,929.57
Each
units
- SGS 300mm Emitter, Receiver - 3 E 4 900mm 0.5m 30m 25 ms 24 V dc Area
RS Stock No. 511-9884
Mfr. Part No.012-108
BrandSmartscan
$1,770.88
Each
units
- 1000 Plus 30mm Receiver, Sender 3 2 D 36 930mm 0.5m 5m 40 ms 24 V dc Hand
RS Stock No. 125-0684
Mfr. Part No.F3SG-2RE0510P30
BrandOmron
$1,050.97
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 24 510mm 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 701-2959
Mfr. Part No.C2MT-04834BBC03DB0
BrandSick
$1,053.38
Each
units
MiniTwin C2MT 34mm Receiver, Sender 2 2 D - 480mm 0m 8m 13 ms 24 V dc Hand
New
RS Stock No. 196-4119
Mfr. Part No.XUSL4MB40H106N
$3,871.49
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 36 1060mm 0m 4 m, 12 m 12.5 ms 24 V dc Hand
RS Stock No. 182-9583
Mfr. Part No.SLLP40-1610P88
BrandBanner
$6,967.27
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1610mm - 12m 14.6 ms 24 V dc Area
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