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. 125-0680
Mfr. Part No.F3SG-2RE0190P30
BrandOmron
SGD559.09
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - c 8 190mm 0.3 (Long) m, 0.3 (Short) m 20 (Long) m, 7 (Short) m 125 (OFF to ON Not Synchronized) ms, 25 (OFF to ON Synchronized) ms, 5 (ON to OFF) ms 24 V dc Arm, Finger, Hand
RS Stock No. 757-7709
Mfr. Part No.F3S-TGR-CL2A-035-150
BrandOmron
SGD828.41
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - c 2 150mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 757-7825
Mfr. Part No.F3SJ-E0545P25
BrandOmron
SGD2,447.37
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 e 26 545mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
RS Stock No. 125-0673
Mfr. Part No.F3SG-2RE0160P14
BrandOmron
SGD615.00
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - c 15 160mm 0.3 (Long) m, 0.3 (Short) m 10 (Long) m, 3 (Short) m 125 (OFF to ON Not Synchronized) ms, 25 (OFF to ON Synchronized) ms, 5 (ON to OFF) ms 24 V dc Arm, Finger, Hand
RS Stock No. 757-7831
Mfr. Part No.F3SJ-E0785P25
BrandOmron
SGD3,266.80
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 e 38 785mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
New
RS Stock No. 196-4109
Mfr. Part No.XUSL4MB30H046N
SGD2,776.26
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
RS Stock No. 127-8316
Mfr. Part No.XUSL4E30H181N
SGD5,628.51
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 91 1810mm 0m 4 m, 12 m 22 ms 24 V dc Hand
RS Stock No. 146-5830
Mfr. Part No.SLC440COM-E-0970-30
BrandSchmersal
SGD1,878.54
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. 191-9843
Mfr. Part No.632063
BrandPilz
SGD2,348.66
Each
units
- opII4H 30mm Receiver, Transmitter 4 - e - 600mm 0.2m 18m 15.2 ms 24 V dc Industrial
New
RS Stock No. 196-4116
Mfr. Part No.XUSL4MB30H136N
SGD4,084.19
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 68 1360mm 0m 4 m, 12 m 19 ms 24 V dc Hand
New
RS Stock No. 196-4086
Mfr. Part No.XUSL4MA30H046N
SGD4,489.28
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
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
RS Stock No. 127-8317
Mfr. Part No.XUSL4E14F061N
SGD3,305.51
1 Pair of 1
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 e 60 610mm 0 m, 1 m 3 m, 6 m 9 ms 24 V dc Finger
RS Stock No. 136-3379
Mfr. Part No.C4C-EA12030A10000
BrandSick
SGD2,396.09
Each
units
deTec4 Core C4C 30mm Receiver - - - - 1200mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 146-5836
Mfr. Part No.SLC440COM-E-1450-30
BrandSchmersal
SGD2,496.00
Each
units
SLC440COM 440 30mm Sender - - - 72 1450mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 757-7661
Mfr. Part No.F3S-TGR-CL2A-014-750
BrandOmron
SGD1,989.87
1 Pair
Pair(s)
- F3S-TGR-CL 14mm Receiver, Sender 2 - c 2 750mm 0.2m 6m 103 ms 24 V dc Finger, Hand
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. 146-5844
Mfr. Part No.SLC440COM-R-0490-14
BrandSchmersal
SGD1,936.75
Each
units
SLC440COM 440 14mm Receiver - - - 48 490mm 300mm 7000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
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. 146-5833
Mfr. Part No.SLC440COM-E-1290-14
BrandSchmersal
SGD3,079.67
Each
units
SLC440COM 440 14mm Sender - - - 128 1290mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
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