ELTRA EL53A500Z5L6X6JR Blind hollow shaft incremental encoder. Size: 53mm. Adjustable flange Resolution: 500 ppr. Output frequency: up to 500 kHz. With zero pulse. Integrated elastic couplings. Power Supply: 5 V DC. Line driver electronic interface. Shaft diam.: 6 mm. Radial J connector output. Enlcosure class: IP 40. Rotation speed (max): 6000 rpm. Series is to be mounted directly on motors.