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. 757-7841
Mfr. Part No.F3SJ-E1105P25
BrandOmron
SGD3,835.48
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 e 54 1105mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) 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. 196-4122
Mfr. Part No.XUSL4MB40H151N
SGD4,025.77
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 51 1510mm 0m 4 m, 12 m 15.5 ms 24 V dc Hand
New
RS Stock No. 196-4104
Mfr. Part No.XUSL4MA40H226N
SGD6,139.17
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
RS Stock No. 127-8300
Mfr. Part No.XUSL2E30H106N
SGD2,735.32
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 c 53 1060mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
RS Stock No. 146-5859
Mfr. Part No.SLC440COM-R-1610-30
BrandSchmersal
SGD2,271.67
Each
units
SLC440COM 440 30mm Receiver - - - 80 1610mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 146-5847
Mfr. Part No.SLC440COM-R-0650-30
BrandSchmersal
SGD1,684.94
Each
units
SLC440COM 440 30mm Receiver - - - 32 650mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 125-0684
Mfr. Part No.F3SG-2RE0510P30
BrandOmron
SGD916.58
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - c 24 510mm 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
New
RS Stock No. 196-4121
Mfr. Part No.XUSL4MB40H136N
SGD3,798.51
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 46 1360mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
RS Stock No. 913-9267
Mfr. Part No.C2C-SA06030A10000
BrandSick
SGD663.00
Each
units
DeTec2 Core - 30mm Sender 2 1 c - 600mm 0m 10 (Minimum) m, 12 (Typical) m 10 ms 24 V dc Body, Hand
RS Stock No. 840-2873
Mfr. Part No.SLPP25-550P88
BrandBanner
SGD2,926.99
Each
units
- SLPP 25mm Receiver, Sender 4 3 e 28 550mm 0.1m 7m 11 ms 24 V dc Body
RS Stock No. 701-2934
Mfr. Part No.C2MT-09024BBC03FE0
BrandSick
SGD1,330.85
Each
units
miniTwin C2MT 24mm Receiver, Sender 2 2 d - 900mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 146-5846
Mfr. Part No.SLC440COM-R-0650-14
BrandSchmersal
SGD2,209.08
Each
units
SLC440COM 440 14mm Receiver - - - 64 650mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 136-3375
Mfr. Part No.C4C-EA06030A10000
BrandSick
SGD1,567.27
Each
units
deTec4 Core C4C 30mm Receiver - - - - 600mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 757-7664
Mfr. Part No.F3S-TGR-CL2A-014-450
BrandOmron
SGD1,451.83
1 Pair
Pair(s)
- F3S-TGR-CL 14mm Receiver, Sender 2 - c 63 450mm 0.2m 6m 103 ms 24 V dc Finger, Hand
RS Stock No. 146-5845
Mfr. Part No.SLC440COM-R-0490-30
BrandSchmersal
SGD1,491.84
Each
units
SLC440COM 440 30mm Receiver - - - 24 490mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 127-8314
Mfr. Part No.XUSL4E30H061N
SGD3,058.80
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 31 610mm 0m 4 m, 12 m 9 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. 146-5841
Mfr. Part No.SLC440COM-E-1930-30
BrandSchmersal
SGD3,270.29
Each
units
SLC440COM 440 30mm Sender - - - 96 1930mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 920-9710
Mfr. Part No.2TLA022303R0700
BrandABB
SGD4,138.24
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - e 64 1200mm 0.2m 20m 19 (No Code) ms, 29 (With Code) ms 24 V dc Hand
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