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. 182-9546
Mfr. Part No.SLLP23-840P88
BrandBanner
$3,426.33
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 840mm - 12m 15 ms 24 V dc Area
RS Stock No. 146-5830
Mfr. Part No.SLC440COM-E-0970-30
BrandSchmersal
$2,310.66
Each
units
SLC440COM 440 30mm Sender - - - 48 970mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
New
RS Stock No. 196-4095
Mfr. Part No.XUSL4MA40H091N
$4,378.66
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 31 910mm 0m 4 m, 12 m 11 ms 24 V dc Hand
RS Stock No. 146-5833
Mfr. Part No.SLC440COM-E-1290-14
BrandSchmersal
$3,803.60
Each
units
SLC440COM 440 14mm Sender - - - 128 1290mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 182-9555
Mfr. Part No.SLLP23-1470P88
BrandBanner
$5,423.53
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 1470mm - 12m 22.6 ms 24 V dc Area
RS Stock No. 182-9579
Mfr. Part No.SLLP40-1330P88
BrandBanner
$5,912.64
Each
units
- SLL 40mm Emitter, Receiver - 3 e - 1330mm - 12m 12.9 ms 24 V dc Area
New
RS Stock No. 196-4104
Mfr. Part No.XUSL4MA40H226N
$7,039.25
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 76 2260mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
New
RS Stock No. 196-4091
Mfr. Part No.XUSL4MA30H106N
$6,750.00
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 53 1060mm 0m 4 m, 12 m 16 ms 24 V dc Hand
RS Stock No. 146-5852
Mfr. Part No.SLC440COM-R-1130-14
BrandSchmersal
$3,803.60
Each
units
SLC440COM 440 14mm Receiver - - - 112 1130mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 125-0686
Mfr. Part No.F3SG-2RE0750P30
BrandOmron
$1,359.10
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - c 36 750mm 0.3 (Long) m, 0.3 (Short) m 20 (Long) m, 7 (Short) m 135 (OFF to ON Not Synchronized) ms, 35 (OFF to ON Synchronized) ms, 7 (ON to OFF) ms 24 V dc Arm, Finger, Hand
New
RS Stock No. 196-4111
Mfr. Part No.XUSL4MB30H076N
$3,640.66
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 38 760mm 0m 4 m, 12 m 12.5 ms 24 V dc Hand
RS Stock No. 146-5860
Mfr. Part No.SLC440COM-R-1770-30
BrandSchmersal
$3,740.29
Each
units
SLC440COM 440 30mm Receiver - - - 88 1770mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 757-7702
Mfr. Part No.F3S-TGR-CL2A-035-300
BrandOmron
$1,223.53
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - c 2 300mm 0.2m 14m 103 ms 24 V dc Finger, Hand
New
RS Stock No. 196-4117
Mfr. Part No.XUSL4MB30H151N
$4,965.91
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 76 1510mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
RS Stock No. 127-8333
Mfr. Part No.XUSL4E30H166N
$5,622.73
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 83 1660mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
RS Stock No. 136-3370
Mfr. Part No.C4C-EA12010A10000
BrandSick
$2,237.40
Each
units
deTec4 Core C4C 14mm Receiver - - - - 1200mm 0m 8m 16 ms 24 V dc Industrial
RS Stock No. 182-9528
Mfr. Part No.SGSSP3-400Q88
BrandBanner
$2,929.57
Each
units
- SGS 400mm Emitter, Receiver - 3 e 3 800mm 0.5m 30m 22 ms 24 V dc Area
RS Stock No. 146-5831
Mfr. Part No.SLC440COM-E-1130-14
BrandSchmersal
$3,403.64
Each
units
SLC440COM 440 14mm Sender - - - 112 1130mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 127-8311
Mfr. Part No.XUSL2E30H121N
$3,605.09
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 c 61 1210mm 0m 4 m, 12 m 16 ms 24 V dc Hand
RS Stock No. 182-9560
Mfr. Part No.SLLP23-1750P88
BrandBanner
$6,312.58
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 1750mm - 12m 26 ms 24 V dc Area
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