ELTRA ER40A250S5/28C6X6PR Incremental miniaturized encoder with solid shaft. Several output types available. Size: 40mm. Fixing flange: 20mm. Resolution: 250ppr. Without zero pulse. Power Supply: 5 - 28 V DC. Electronic interface: NPN open collector. Shaft diameter: 6mm. Enclosure rating: IP 54. Rotation speed: 6000 rpm max. Radial cable output (standard length 0.5 m). Series is recommended for for general applications.