ELTRA EL721A2048S5/28P10S3MR Incremental encoder with hollow shaft and fixing holes. Encoder Size: 72mm. Flange type A. Fixing holes diameter: 63,5 mm 2048 ppr resolution. Without zero pulse. Power Supply: 5 - 28 V DC. Enclosure type: IP 66. Push Pull. Shaft diameter: 10mm. Rotation speed: 3000 rpm max. M connector output. Radial. Series specially designed for direct mounting on tachometric dynamos or motors thanks to integrated elastic coupling which allow radial and / or axial motor shaft play.