ELTRA EL53A100Z5L10X6JR170 Blind hollow shaft incremental encoder. Size: 53mm. Model witg adjustable flange Integrated elastic couplings. Resolution: 100 ppr. Power: 5 V DC. With zero pulse. Rotation speed (max): 6000 rpm max. Line Driver. Shaft diam.: 10 mm. Enclosure class: IP 40. Radial J connector output. Series is designed to be mounted directly on motors.