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. 146-5825
Mfr. Part No.SLC440COM-E-0650-14
BrandSchmersal
SGD1,936.75
Each
units
SLC440COM 440 14mm Sender - - - 64 650mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 182-9568
Mfr. Part No.SLLP40-630P88
BrandBanner
SGD2,782.63
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 630mm - 12m 8.6 ms 24 V dc Area
New
RS Stock No. 196-4092
Mfr. Part No.XUSL4MA30H121N
SGD6,331.58
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. 182-9548
Mfr. Part No.SLLP23-980P88
BrandBanner
SGD3,286.80
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 980mm - 12m 16.7 ms 24 V dc Area
New
RS Stock No. 196-4112
Mfr. Part No.XUSL4MB30H091N
SGD3,434.86
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 46 910mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
RS Stock No. 136-3382
Mfr. Part No.C4C-EA15030A10000
BrandSick
SGD2,503.00
Each
units
DeTec4 Core C4C 30mm Receiver - - - - 1500mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 146-5826
Mfr. Part No.SLC440COM-E-0650-30
BrandSchmersal
SGD1,491.84
Each
units
SLC440COM 440 30mm Sender - - - 32 650mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 125-0676
Mfr. Part No.F3SG-2RE0400P14
BrandOmron
SGD950.05
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 39 400mm 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. 146-5828
Mfr. Part No.SLC440COM-E-0810-30
BrandSchmersal
SGD1,684.94
Each
units
SLC440COM 440 30mm Sender - - - 40 810mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
New
RS Stock No. 196-4126
Mfr. Part No.XUSL4MB40H211N
SGD4,843.91
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 71 2110mm 0m 4 m, 12 m 19.5 ms 24 V dc Hand
New
RS Stock No. 196-4103
Mfr. Part No.XUSL4MA40H211N
SGD5,963.31
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 71 2110mm 0m 4 m, 12 m 19.5 ms 24 V dc Hand
RS Stock No. 182-9580
Mfr. Part No.SLLP40-1400P88
BrandBanner
SGD5,247.19
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1400mm - 12m 13.3 ms 24 V dc Area
RS Stock No. 182-9551
Mfr. Part No.SLLP23-1190P88
BrandBanner
SGD3,851.55
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 1190mm - 12m 19.2 ms 24 V dc Area
RS Stock No. 182-9539
Mfr. Part No.SLLP23-420P88
BrandBanner
SGD1,245.78
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 420mm - 12m 9.9 ms 24 V dc Area
RS Stock No. 862-5865
Mfr. Part No.OS32C-BP-4M
BrandOmron
SGD6,987.60
Each
units
- 0S32C 30 mm, 40 mm, 50 mm, 70 mm Scanner 3 2 D - - - 4m 680 (On to Off) ms, 780 (Off to On) ms 24 V dc -
RS Stock No. 146-5856
Mfr. Part No.SLC440COM-R-1450-14
BrandSchmersal
SGD3,599.26
Each
units
SLC440COM 440 14mm Receiver - - - 114 1450mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 127-8330
Mfr. Part No.XUSL4E30H151L
SGD6,004.30
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 E 76 1510mm 0 m, 3 m 10 m, 20 m 11 ms 24 V dc Hand
RS Stock No. 182-9577
Mfr. Part No.SLLP40-1190P88
BrandBanner
SGD3,445.38
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1190mm - 12m 12 ms 24 V dc Area
RS Stock No. 757-7673
Mfr. Part No.F3S-TGR-CL2A-014-1200
BrandOmron
SGD2,695.25
1 Pair
Pair(s)
- F3S-TGR-CL 14mm Receiver, Sender 2 - C 2 1190mm 0.2m 6m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8327
Mfr. Part No.XUSL4E14F046N
SGD2,348.09
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
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