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. 136-3372
Mfr. Part No.C4C-EA03030A10000
BrandSick
$911.42
Each
units
deTec4 Core C4C 30mm Receiver - - - - 300mm 0m 12m 14 ms 24 V dc Industrial
RS Stock No. 182-9581
Mfr. Part No.SLLP40-1470P88
BrandBanner
$6,381.94
Each
units
- SLL 40mm Emitter, Receiver - 3 e - 1470mm - 12m 13.7 ms 24 V dc Area
RS Stock No. 196-4110
Mfr. Part No.XUSL4MB30H061N
$3,598.00
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. 757-7664
Mfr. Part No.F3S-TGR-CL2A-014-450
BrandOmron
$1,807.54
1 Pair
Pair(s)
- F3S-TGR-CL 14mm Receiver, Sender 2 - c 63 450mm 0.2m 6m 103 ms 24 V dc Finger, Hand
New
RS Stock No. 191-9851
Mfr. Part No.632082
BrandPilz
$3,019.07
Each
units
- opII4F 14mm Receiver, Transmitter 4 - e - 450mm 0.2m 8m 15.2 ms 24 V dc Industrial
RS Stock No. 125-0683
Mfr. Part No.F3SG-2RE0430P30
BrandOmron
$972.41
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - c 20 430mm 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. 701-9262
Mfr. Part No.C4MT-01814ABB03BE0
BrandSick
$1,682.17
Each
units
- C4MT 14mm Receiver, Sender 4 3 e - 180mm 0m 5m 14 ms 24 V dc Finger, Hand
RS Stock No. 701-2940
Mfr. Part No.C2MT-03034BBC03DE0
BrandSick
$877.18
Each
units
miniTwin C2MT 34mm Receiver, Sender 2 2 d - 300mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 196-4106
Mfr. Part No.XUSL4MA3BB081N
$3,289.47
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 400mm Receiver, Transmitter 4 3 - 3 810mm 0m 4 m, 12 m 5.5 ms 24 V dc Body
RS Stock No. 127-8333
Mfr. Part No.XUSL4E30H166N
$5,355.75
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 83 1660mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
RS Stock No. 757-7706
Mfr. Part No.F3S-TGR-CL2A-035-450
BrandOmron
$1,621.50
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. 182-9573
Mfr. Part No.SLLP40-910P88
BrandBanner
$3,297.42
Each
units
- SLL 40mm Emitter, Receiver - 3 e - 910mm - 12m 10.3 ms 24 V dc Area
RS Stock No. 701-2924
Mfr. Part No.C2MT-03024BBC04DE0
BrandSick
$1,089.00
Each
units
miniTwin C2MT 24mm Receiver, Sender 2 2 d - 300mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 182-9544
Mfr. Part No.SLLP23-700P88
BrandBanner
$2,880.98
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 700mm - 12m 13.3 ms 24 V dc Area
RS Stock No. 196-4128
Mfr. Part No.XUSL4MB2BB051N
$2,478.67
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 500mm Receiver, Transmitter 4 3 - 2 510mm 0m 4 m, 12 m 5.5 ms 24 V dc Body
RS Stock No. 182-9547
Mfr. Part No.SLLP23-910P88
BrandBanner
$3,615.08
Each
units
- SLL 23mm Emitter, Receiver - 3 e - 910mm - 12m 15.9 ms 24 V dc Area
RS Stock No. 146-5827
Mfr. Part No.SLC440COM-E-0810-14
BrandSchmersal
$2,620.45
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. 701-2934
Mfr. Part No.C2MT-09024BBC03FE0
BrandSick
$1,529.64
Each
units
miniTwin C2MT 24mm Receiver, Sender 2 2 d - 900mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 146-5861
Mfr. Part No.SLC440COM-R-1850-14
BrandSchmersal
$5,289.46
Each
units
SLC440COM 440 14mm Receiver - - - 184 1850mm 300mm 6000mm 28 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 196-4101
Mfr. Part No.XUSL4MA40H181N
$6,620.24
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
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