The FUJI ELECTRIC AR30M0R-11B selector switch is a versatile component for industrial automation systems. Its snap-on construction allows for easy replacement and addition of contact blocks and transformer units. The oil and dust-proof design, conforming to IEC Standard IP65, ensures reliable operation in harsh environments. Features include self-cleaning contacts for high contact reliability, wiring from two directions, and color-coded contact blocks for simplified wiring. The switch is suitable for emergency stop and safety applications, and a terminal cover is provided for enhanced safety and security.