ELTRA EL53A500Z28P10X6JR Incremental hollow shaft encoder Size: 53mm. Adjustable flange Resolution: 500 ppr. With zero pulse. Power Supply: 5 - 28 V DC. Electronic interface: push-pull. Shaft diameter: 10mm. Enclosure rating: IP 40. Rotation speed: 6000 rpm max. Radial J connector output. Series is recommended for industrial application directly on motors.