ELTRA ER63A250S5/28N10X6PR Incremental encoder with the hollow shaft. Several output types available. Size: 63mm. Synchronous flange: 31,75 mm. With anti-rotation pin. Resolution: 250 ppr. Without zero pulse. Power Supply: 5...28 V DC. Electronic interface: NPN. Bore diameter: 8mm. Enclosure rating: IP 54. Rotation speed: 6000 rpm max. Direction type: radial. Cable (standard length 1.5 m) Series is recommended for industrial applications with high mechanical resistance requirements.