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. 913-9286
Mfr. Part No.C2C-EA12030A10000
BrandSick
HK$6,628.30
Each
units
DeTec2 Core - 30mm Receiver 2 1 C - 1200mm 0m 10 (Minimum) m, 12 (Typical) m 12 ms 24 V dc Body, Hand
RS Stock No. 757-7879
Mfr. Part No.OS32C-SP1
BrandOmron
HK$34,562.00
Each
units
- 0S32C 30 mm, 40 mm, 50 mm, 70 mm Scanner 3 2 D - - - 3m 680 (On to Off) ms, 780 (Off to On) ms 24 V dc -
RS Stock No. 862-5865
Mfr. Part No.OS32C-BP-4M
BrandOmron
HK$35,960.91
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. 757-7702
Mfr. Part No.F3S-TGR-CL2A-035-300
BrandOmron
HK$6,091.80
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 300mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 511-7068
Mfr. Part No.1K3-104
BrandSmartscan
HK$6,016.87
Each
units
- 1000 Plus 30mm Receiver, Sender 3 2 D 24 630mm 0.5m 5m 40 ms 24 V dc Hand
RS Stock No. 136-3376
Mfr. Part No.C4C-SA09030A10000
BrandSick
HK$8,759.12
Each
units
DeTec4 Core C4C 30mm Sender - - - - 900mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 136-3377
Mfr. Part No.C4C-EA09030A10000
BrandSick
HK$10,668.78
Each
units
DeTec4 Core C4C 30mm Receiver - - - - 900mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 757-7816
Mfr. Part No.F3SJ-E0225P25
BrandOmron
HK$8,277.27
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 E 10 225mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
RS Stock No. 196-4101
Mfr. Part No.XUSL4MA40H181N
HK$31,442.50
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 61 1810mm 0m 4 m, 12 m 17.5 ms 24 V dc Hand
RS Stock No. 125-0683
Mfr. Part No.F3SG-2RE0430P30
BrandOmron
HK$4,744.85
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 20 430mm 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 125-0681
Mfr. Part No.F3SG-2RE0270P30
BrandOmron
HK$3,718.41
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 12 270mm 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 196-4127
Mfr. Part No.XUSL4MB40H226N
HK$28,468.78
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. 182-9585
Mfr. Part No.SLLP40-1750P88
BrandBanner
HK$35,522.01
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1750mm - 12m 15.4 ms 24 V dc Area
RS Stock No. 127-8300
Mfr. Part No.XUSL2E30H106N
HK$15,689.72
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. 757-7706
Mfr. Part No.F3S-TGR-CL2A-035-450
BrandOmron
HK$7,436.00
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 450mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8306
Mfr. Part No.XUSL2E30H061N
HK$9,923.54
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 31 610mm 0m 4 m, 12 m 10 ms 24 V dc Hand
RS Stock No. 196-4087
Mfr. Part No.XUSL4MA30H061N
HK$27,865.21
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 31 610mm 0m 4 m, 12 m 11 ms 24 V dc Hand
RS Stock No. 757-7825
Mfr. Part No.F3SJ-E0545P25
BrandOmron
HK$11,760.32
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. 511-7119
Mfr. Part No.1K3-117
BrandSmartscan
HK$13,946.85
Each
units
- 1000 Plus 40mm Receiver, Sender 2 - - 60 1540mm 4m 10m 40 ms 24 V dc Hand
RS Stock No. 920-9694
Mfr. Part No.2TLA022302R0100
BrandABB
HK$8,178.91
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - E 16 300mm 0.2m 19m 11 ms 24 V dc Hand
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