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. 182-9569
Mfr. Part No.SLLP40-700P88
BrandBanner
$3,190.05
Each
units
- SLL 40mm Emitter, Receiver - 3 e - 700mm - 12m 9.1 ms 24 V dc Area
RS Stock No. 182-9538
Mfr. Part No.SLLP23-350P88
BrandBanner
$1,684.53
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 350mm - 12m 9.1 ms 24 V dc Area
RS Stock No. 757-7712
Mfr. Part No.F3S-TGR-CL2A-035-900
BrandOmron
$2,156.49
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - c 2 900mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8305
Mfr. Part No.XUSL2E30H031N
$1,716.60
1 Pair
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 c 16 310mm 0m 4 m, 12 m 6 ms 24 V dc Hand
New
RS Stock No. 196-4094
Mfr. Part No.XUSL4MA30H151N
$7,547.10
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
New
RS Stock No. 196-4117
Mfr. Part No.XUSL4MB30H151N
$4,628.32
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. 182-9527
Mfr. Part No.SGSSP2-500Q88
BrandBanner
$2,180.25
Each
units
- SGS 500mm Emitter, Receiver - 3 e 2 500mm 0.5m 30m 19 ms 24 V dc Area
RS Stock No. 127-8332
Mfr. Part No.XUSL4E30H121N
$3,716.25
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 61 1210mm 0m 4 m, 12 m 15.5 ms 24 V dc Hand
New
RS Stock No. 196-4102
Mfr. Part No.XUSL4MA40H196N
$6,073.79
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 66 1960mm 0m 4 m, 12 m 18.5 ms 24 V dc Hand
RS Stock No. 146-5857
Mfr. Part No.SLC440COM-R-1450-30
BrandSchmersal
$2,817.12
Each
units
SLC440COM 440 30mm Receiver - - - 72 1450mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 136-3372
Mfr. Part No.C4C-EA03030A10000
BrandSick
$821.10
Each
units
deTec4 Core C4C 30mm Receiver - - - - 300mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 127-8307
Mfr. Part No.XUSL2E30H046N
$2,080.68
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 c 23 460mm 0m 4 m, 12 m 8 ms 24 V dc Hand
RS Stock No. 757-7721
Mfr. Part No.F3S-TGR-CL2A-035-1200
BrandOmron
$2,814.18
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - c 2 1200mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 701-2921
Mfr. Part No.C2MT-01824BBC03BE0
BrandSick
$753.49
Each
units
miniTwin C2MT 24mm Receiver, Sender 2 2 d - 180mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 146-5832
Mfr. Part No.SLC440COM-E-1130-30
BrandSchmersal
$2,320.82
Each
units
SLC440COM 440 30mm Sender - - - 56 1130mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 136-3363
Mfr. Part No.C4C-EA03010A10000
BrandSick
$900.58
Each
units
deTec4 Core C4C 14mm Receiver - - - - 300mm 0m 8m 16 ms 24 V dc Industrial
RS Stock No. 182-9542
Mfr. Part No.SLLP23-630P88
BrandBanner
$2,485.48
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 630mm - 12m 12.5 ms 24 V dc Area
RS Stock No. 701-2965
Mfr. Part No.C2MT-09034BBC03FE0
BrandSick
$1,304.84
Each
units
miniTwin C2MT 34mm Receiver, Sender 2 2 d - 900mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 127-8321
Mfr. Part No.XUSL4E30H046N
$2,341.33
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 23 460mm 0m 4 m, 12 m 7.5 ms 24 V dc Hand
RS Stock No. 182-9539
Mfr. Part No.SLLP23-420P88
BrandBanner
$1,886.49
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 420mm - 12m 9.9 ms 24 V dc Area
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