NASCOM Flip Switch N50SAU/ST - Set of 15

This is a commercial-grade magnetic door switch made by the American security equipment manufacturer, NASCOM.
It is a security sensor that detects the opening and closing of aluminum and steel doors for stores, warehouses, garages, offices, etc.
It features No Dead Spot Technology, making it a reliable, professional-grade specification that accurately detects even slight misalignments of shutters or doors. It is characterized by its sturdy metal body and armored cable (metal-sheathed cable) that is resistant to wire breakage.

This part is sold on online shops like Amazon as a parallel import for approximately ￥12,000.