... Current: 2A Voltage:250VAC/45VDC CE,ISO9000... Explosion proof limit switchDouble-circuit type of limit switch, is widely usedWith ... strong aluminum cast outer shellHigh mechanical strengthWater-proof, oil-proof constructionStructure preventing oil, water and pressureIndicating plate with setting ... protection: IP67Contact FormNO (4) (3) NONC (1) (2) NC Explosion proof limit switch