光是一种电磁射线，其特性如同无线电波和X射线，传递速度约为300000千米/秒，因此它可以在发射的一瞬间被其接收。红外线光电开关是利用人眼不可见（波长为780nm-1mm）的近红外线和红外线的来检测、判别物体。通过光电装置瞬间发射的微弱光束能被安全可靠的准确的发射和接收。
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GP1A-50HR GP1A-50HR GP1A50HR
GP1A01 GP1A01 GP1A01
GP1A02 GP1A02 GP1A02
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GP1A04 GP1A04 GP1A04
GP1A042RBK GP1A042RBK GP1A042RBK
GP1A042RBKL GP1A042RBKL GP1A042RBKL
GP1A05 GP1A05 GP1A05
GP1A05 GP1A05 GP1A05
GP1A05 GP1A05 GP1A05
GP1A05-SHA GP1A05-SHA GP1A05SHA
GP1A050 GP1A050 GP1A050
GP1A05A GP1A05A GP1A05A
GP1A05A0 GP1A05A0 GP1A05A0
GP1A05A2 GP1A05A2 GP1A05A2
GP1A05A5 GP1A05A5 GP1A05A5
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GP1A05HR GP1A05HR GP1A05HR
GP1A05HRSHARP GP1A05HRSHARP GP1A05HRSHARP
GP1A05SHA GP1A05SHA GP1A05SHA
GP1A06 GP1A06 GP1A06
GP1A07 GP1A07 GP1A07
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GP1A30R GP1A30R GP1A30R
GP1A31LC GP1A31LC GP1A31LC
GP1A32T GP1A32T GP1A32T
GP1A33R GP1A33R GP1A33R
GP1A34A1 GP1A34A1 GP1A34A1
GP1A34LC GP1A34LC GP1A34LC
GP1A35R GP1A35R GP1A35R
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GP1A35RV GP1A35RV GP1A35RV
GP1A35RV GP1A35RV GP1A35RV
GP1A36RB GP1A36RB GP1A36RB
GP1A38L7 GP1A38L7 GP1A38L7
GP1A44E1 GP1A44E1 GP1A44E1
GP1A50 GP1A50 GP1A50