ELTRA ER63G500S5/28P15X3PR8 Incremental encoder with hollow shaft. Several output types available Size: 63mm. blind hollow shaft with anti-rotation pin Resolution: 500 ppr. without zero pulse. Power Supply: 5 ... 28 V DC. Electronic interface: push-pull Bore diameter: 15mm. Enclosure rating: IP 54 Rotation speed: 3000 rpm max Radial J connector output Series is recommended for for industrial applications with high mechanical resistance requirements.