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. 136-3378
Mfr. Part No.C4C-SA12030A10000
BrandSick
HK$10,969.01
Each
units
DeTec4 Core C4C 30mm Sender - - - - 1200mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 182-9578
Mfr. Part No.SLLP40-1260P88
BrandBanner
HK$21,102.00
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1260mm - 12m 12.5 ms 24 V dc Area
New
RS Stock No. 191-9846
Mfr. Part No.632066
BrandPilz
HK$18,757.31
Each
units
- opII4H 30mm Receiver, Transmitter 4 - E - 1050mm 0.2m 18m 22.3 ms 24 V dc Industrial
New
RS Stock No. 191-9838
Mfr. Part No.632025
BrandPilz
HK$12,932.41
Each
units
- PSEN opII3H 30mm Receiver, Transmitter 3 - D - 900mm 0.2m 18m 15.2 ms 24 V dc Industrial
RS Stock No. 182-9528
Mfr. Part No.SGSSP3-400Q88
BrandBanner
HK$12,606.37
Each
units
- SGS 400mm Emitter, Receiver - 3 E 3 800mm 0.5m 30m 22 ms 24 V dc Area
RS Stock No. 182-9575
Mfr. Part No.SLLP40-1050P88
BrandBanner
HK$23,029.56
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1050mm - 12m 11.2 ms 24 V dc Area
RS Stock No. 136-3366
Mfr. Part No.C4C-SA09010A10000
BrandSick
HK$11,290.39
Each
units
DeTec4 Core C4C 14mm Sender - - - - 900mm 0m 8m 16 ms 24 V dc Industrial
RS Stock No. 182-9586
Mfr. Part No.SLLP40-1820P88
BrandBanner
HK$36,765.22
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1820mm - 12m 15.9 ms 24 V dc Area
RS Stock No. 196-4102
Mfr. Part No.XUSL4MA40H196N
HK$32,446.47
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. 746-7315
Mfr. Part No.F3SJ-A0295P30
BrandOmron
HK$16,023.05
Each
units
- F3SJ 25mm Receiver, Sender 4 3 E 12 295mm 0.2m 9m 17.5 (On to Off) ms, 70 (Off to On) ms 24 V dc Body, Hand
RS Stock No. 757-7709
Mfr. Part No.F3S-TGR-CL2A-035-150
BrandOmron
HK$4,729.30
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. 146-5845
Mfr. Part No.SLC440COM-R-0490-30
BrandSchmersal
HK$8,557.16
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. 125-0684
Mfr. Part No.F3SG-2RE0510P30
BrandOmron
HK$5,257.49
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 24 510mm 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. 127-8311
Mfr. Part No.XUSL2E30H121N
HK$18,034.56
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 61 1210mm 0m 4 m, 12 m 16 ms 24 V dc Hand
RS Stock No. 146-5860
Mfr. Part No.SLC440COM-R-1770-30
BrandSchmersal
HK$16,586.85
Each
units
SLC440COM 440 30mm Receiver - - - 88 1770mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 146-5827
Mfr. Part No.SLC440COM-E-0810-14
BrandSchmersal
HK$12,671.20
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. 182-9553
Mfr. Part No.SLLP23-1330P88
BrandBanner
HK$23,596.85
Each
units
- SLL 23mm Emitter, Receiver - 3 E - 1330mm - 12m 20.9 ms 24 V dc Area
RS Stock No. 196-4088
Mfr. Part No.XUSL4MA30H076N
HK$29,557.64
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 38 760mm 0m 4 m, 12 m 12.5 ms 24 V dc Hand
RS Stock No. 701-2924
Mfr. Part No.C2MT-03024BBC04DE0
BrandSick
HK$4,599.11
Each
units
MiniTwin C2MT 24mm Receiver, Sender 2 2 D - 300mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 182-9570
Mfr. Part No.SLLP40-770P88
BrandBanner
HK$13,647.76
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 770mm - 12m 9.5 ms 24 V dc Area
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