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
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RS庫存編號 196-4089
製造零件編號XUSL4MA30H091N
HK$31,975.49
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 46 910mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
RS庫存編號 127-8305
製造零件編號XUSL2E30H031N
HK$7,153.53
1 對 1 套
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 16 310mm 0m 4 m, 12 m 6 ms 24 V dc Hand
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RS庫存編號 196-4099
製造零件編號XUSL4MA40H151N
HK$28,293.75
1 對 1 套
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
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RS庫存編號 196-4104
製造零件編號XUSL4MA40H226N
HK$35,047.70
1 對 1 套
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庫存編號 127-8315
製造零件編號XUSL4E14F016N
HK$10,798.67
1 對 1 套
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 E 15 160mm 0 m, 1 m 3 m, 6 m 4 ms 24 V dc Finger
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RS庫存編號 196-4112
製造零件編號XUSL4MB30H091N
HK$19,609.19
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 46 910mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
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RS庫存編號 196-4100
製造零件編號XUSL4MA40H166N
HK$29,480.19
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 56 1660mm 0m 4 m, 12 m 16.5 ms 24 V dc Hand
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RS庫存編號 196-4123
製造零件編號XUSL4MB40H166N
HK$23,946.32
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 56 1660mm 0m 4 m, 12 m 16.5 ms 24 V dc Hand
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RS庫存編號 196-4091
製造零件編號XUSL4MA30H106N
HK$33,607.52
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 53 1060mm 0m 4 m, 12 m 16 ms 24 V dc Hand
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RS庫存編號 196-4103
製造零件編號XUSL4MA40H211N
HK$34,043.72
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 71 2110mm 0m 4 m, 12 m 19.5 ms 24 V dc Hand
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RS庫存編號 196-4105
製造零件編號XUSL4MA2BB051N
HK$17,145.13
1 對 1 套
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
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RS庫存編號 196-4128
製造零件編號XUSL4MB2BB051N
HK$11,772.33
1 對 1 套
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
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RS庫存編號 196-4109
製造零件編號XUSL4MB30H046N
HK$15,849.32
1 對 1 套
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
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RS庫存編號 196-4120
製造零件編號XUSL4MB40H121N
HK$20,721.39
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 41 1210mm 0m 4 m, 12 m 13.5 ms 24 V dc Hand
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RS庫存編號 196-4092
製造零件編號XUSL4MA30H121N
HK$36,146.17
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 61 1210mm 0m 4 m, 12 m 17.6 ms 24 V dc Hand
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RS庫存編號 196-4106
製造零件編號XUSL4MA3BB081N
HK$15,623.15
1 對 1 套
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
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RS庫存編號 196-4117
製造零件編號XUSL4MB30H151N
HK$24,724.70
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 30mm Receiver, Transmitter 4 3 - 76 1510mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
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RS庫存編號 196-4097
製造零件編號XUSL4MA40H121N
HK$25,624.34
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 41 1210mm 0m 4 m, 12 m 13.5 ms 24 V dc Hand
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RS庫存編號 196-4107
製造零件編號XUSL4MA4BB091N
HK$18,176.44
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 300mm Receiver, Transmitter 4 3 - 41 910mm 0m 4 m, 12 m 5.5 ms 24 V dc Body
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RS庫存編號 196-4118
製造零件編號XUSL4MB40H091N
HK$17,708.55
1 對 1 套
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 31 910mm 0m 4 m, 12 m 11 ms 24 V dc Hand