ELTRA EH38A500S8/24N6X3PR2 Miniaturized incremental encoder with solid shaft optical. Several output types available. Size: 38mm. Fixing flange: 20mm. Resolution: 500 ppr. Without zero pulse. Power Supply: 8 ... 24 V DC. Electronic interface: NPN open collector. Shaft diameter: 6mm. Enclosure rating: IP 54 Rotation speed: 3000 rpm max PR radial cable output Series is recommended when a minimal size is required.