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. 182-9575
Mfr. Part No.SLLP40-1050P88
BrandBanner
SGD4,128.50
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1050mm - 12m 11.2 ms 24 V dc Area
RS Stock No. 146-5832
Mfr. Part No.SLC440COM-E-1130-30
BrandSchmersal
SGD2,076.36
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. 182-9530
Mfr. Part No.SGSSP4-400Q88
BrandBanner
SGD3,007.76
Each
units
- SGS 400mm Emitter, Receiver - 3 E 3 1200mm 0.5m 30m 25 ms 24 V dc Area
New
RS Stock No. 196-4125
Mfr. Part No.XUSL4MB40H196N
SGD4,616.64
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. 511-7096
Mfr. Part No.1K3-109
BrandSmartscan
SGD1,544.45
Each
units
- 1000 Plus 40mm Receiver, Sender 3 2 D 36 940mm 4m 10m 40 ms 24 V dc Hand
RS Stock No. 136-3367
Mfr. Part No.C4C-EA09010A10000
BrandSick
SGD2,456.39
Each
units
DeTec4 Core C4C 14mm Receiver - - - - 900mm 0m 8m 16 ms 24 V dc Industrial
RS Stock No. 182-9560
Mfr. Part No.SLLP23-1750P88
BrandBanner
SGD5,361.87
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 1750mm - 12m 26 ms 24 V dc Area
RS Stock No. 146-5835
Mfr. Part No.SLC440COM-E-1450-14
BrandSchmersal
SGD3,265.13
Each
units
SLC440COM 440 14mm Sender - - - 114 1450mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
New
RS Stock No. 196-4117
Mfr. Part No.XUSL4MB30H151N
SGD4,330.93
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. 182-9582
Mfr. Part No.SLLP40-1540P88
BrandBanner
SGD5,695.10
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1540mm - 12m 14.2 ms 24 V dc Area
RS Stock No. 920-9708
Mfr. Part No.2TLA022303R0300
BrandABB
SGD2,699.87
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - E 32 600mm 0.2m 20m 15 (No Code) ms, 20 (With Code) ms 24 V dc Hand
RS Stock No. 182-9528
Mfr. Part No.SGSSP3-400Q88
BrandBanner
SGD2,402.02
Each
units
- SGS 400mm Emitter, Receiver - 3 E 3 800mm 0.5m 30m 22 ms 24 V dc Area
RS Stock No. 146-5827
Mfr. Part No.SLC440COM-E-0810-14
BrandSchmersal
SGD2,209.08
Each
units
SLC440COM 440 14mm Sender - - - 80 810mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 182-9569
Mfr. Part No.SLLP40-700P88
BrandBanner
SGD3,007.67
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 700mm - 12m 9.1 ms 24 V dc Area
RS Stock No. 127-8298
Mfr. Part No.XUSL2E30H091N
SGD2,683.13
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. 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. 182-9570
Mfr. Part No.SLLP40-770P88
BrandBanner
SGD3,232.70
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 770mm - 12m 9.5 ms 24 V dc Area
New
RS Stock No. 191-9838
Mfr. Part No.632025
BrandPilz
SGD2,290.44
Each
units
- PSEN opII3H 30mm Receiver, Transmitter 3 - D - 900mm 0.2m 18m 15.2 ms 24 V dc Industrial
New
RS Stock No. 191-9836
Mfr. Part No.632023
BrandPilz
SGD1,784.98
Each
units
- PSEN opII3H 30mm Receiver, Transmitter 3 - D - 600mm 0.2m 18m 15.2 ms 24 V dc Industrial
RS Stock No. 125-0677
Mfr. Part No.F3SG-2RE0480P14
BrandOmron
SGD1,063.07
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 47 480mm 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
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