ELTRA ER63D250S5/28P8X3MR Solid Shaft Incremental Encoder with centering square flange. Size of encoder: 63 mm. Res.: 2500 ppr. Size of flange: 31,75 mm. Without zero pulse. Rotation speed: 3000 rpm max. Push Pull. Shaft diam.: 8 mm. Protection: IP 54. High Radial Direction shaft load. MIL connector. Series is recommended for industrial applications with high mechanical resistance requirements.