Featuring IP67 wash-down rated design, F3SG-4RA Series meets all global safety standards to protect fingers or hands/arms. Units feature DIP-switch selectable PNP/NPN outputs and are supported by 24-hour multi-language online diagnostics. To minimize wiring and installation time, curtains come with Smartclick™ connectors requiring just 1/8 turn. Mounting brackets that slide onto channels in light curtain body allow positioning anywhere along length without additional screws, washers, or clamps.