Used Resolvers (all tested and working)

The SIEMENS V23401-H4001-B402 (H4001-B402) is a rugged, industrial-grade resolver engineered for precise angular position and speed feedback in demanding motion-control and automation systems. Designed to operate reliably under harsh conditions — including high vibration, temperature fluctuations, and heavy-duty use — it delivers stable sine/cosine output signals that support accurate control of servo drives, CNC machines, robotics, and OEM equipment. With robust Siemens build quality and dependable performance, the H4001-B402 resolver is ideal for retrofits, maintenance replacements, and new automation installations seeking long-term reliability and precise motion control.