“Proximity switch for watertight doors, Type:PR12-4A0 (Normal
Open)-High frequency oscillation type, Sensing distance: 4mm +- 10%,
Standard object size:12 x 12 x1 mm (steel), Supply voltage: AC 90 ,
Ac 250 V, Response Frequency: 20Hz,
Output rating: Inductive load – 75mA, Resistive load-150mA,IP67,
Maker:Autonics” AUTONICS.PR12-4A0.NA