The BAUMER ITD 41 A 4 Y70 2000 H BX D1SR7 S 30 is a high‑precision incremental rotary encoder with a through hollow shaft Ø28–30 mm and optical sensing. It delivers 2,000 pulses per revolution (up to 10,000 ppr), supporting TTL or HTL outputs (A, B, 0) with short‑circuit protected drivers. Featuring IP54 protection, ≤7,000 rpm max speed, ≤0.01 Nm start torque, rugged aluminum housing, and stainless steel shaft, it’s vibration/shock‑resistant and ideal for harsh industrial environments. Operates over 8–30 VDC or 5 VDC with reverse‑polarity protection.