ELTRA ER53B1024Z5L8X6JR Incremental hollow shaft encoder. Size: 53mm. Adjustable flange Resolution: 1024 ppr. With zero pulse. Power Supply: 5 V DC. Electronic interface: line driver. Shaft diameter: 8mm. Enclosure rating: IP 54 Rotation speed: 6000 rpm max. J connector output radial. Series is recommended for industrial application directly on motors.