GI331.0704141 Incremental encoder with hollow shaft, ø12 mm, optical sensing, mounting by thread pin or clamping ring, cost-efficient mounting. The main characteristics of GI331.0704141: Housing: ø58 mm; Shaft: ø12 mm hollow shaft; Hollow shaft ø12 mm with 2 thread pins with pin 15 mm, IP 54; Voltage supply / signals: 70 4.75...30 VDC / push-pull; E-connection: Cable 1 m, radial; Pulses per revolution 100; Reference signal Zero pulse, width 90°; Output frequency ≤150 kHz.