The Siemens V23401-H1005-B101 is a high-precision hollow shaft resolver designed for industrial applications requiring accurate rotary position feedback. It features a Size 21 frame with a 12.7 mm inner shaft diameter and operates at 7 V, 5 kHz with a transformation ratio of 0.5 ±10%. Offering a phase shift of 16° ±4° and angular error spread of ±10 arcminutes, it ensures consistent performance in servo systems. Built with a durable CrNi-steel housing, this resolver is ideal for use in robotics, CNC machinery, and automation environments where reliability and precision are essential.