Acu-Rite MTS30H4-44 Motor Controller

The Acu‑Rite MTS30H4‑44 is a 140 V DC servo‑motor assembly rated at 3,100 RPM and 20 lb‑inch torque, commonly used in mill‑power axis drives. Known failure modes for this class include winding insulation degradation leading to short circuits, bearing wear or seizure, and loss of encoder feedback if integrated with a controller. Initial checks should verify the motor’s supply voltage and current draw against spec, inspect windings for continuity or shorts, and examine bearings for play or overheating; also review any associated error codes from the drive controller.[oss-gpt-20b] Post Comment

Need your Acu-Rite repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

• ⚙️ Fast Diagnostics – Same-day evaluation available
• 🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
• 🧰 Expert Technicians – Decades of board-level experience
• ✅ 1-Year Warranty – Every repair fully guaranteed

📞 Call Now: 1 (336) 969-0110

Free Estimates • Industrial-grade testing • Nationwide Service

⚡ Call to Purchase AI Services — help us build the next Grace Blackwell GX10 node.

Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service

Other Repaired Units by Acu-Rite