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![]() | NetworX NX-4/6/8 Control panel NetworX NX-4/6/8 Control panel ![]() |
![]() | Magnetic switch |
![]() | First infrared There are two types of the infrared: passive (passive) and Photoelectric beam (optical beam power). |
![]() | Photoelectric glass broken |
![]() | Photoelectric shocks |
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