Description
TM-RBP048G20 is a Mitsubishi Electric TM-RB series direct-drive servo motor primary side (stator/coil assembly) designed for CNC rotary tables and precision rotary axes. It pairs with the rotor model TM-RBS048G20.
Key specifications for TM-RBP048G20:
| Specification | Value |
|---|---|
| Series | TM-RB |
| Component type | Primary side / stator |
| Rated torque | 48 N·m |
| Peak torque | Approx. 120–140 N·m |
| Maximum rotation speed | 500 r/min |
| Rated output | Approx. 2.2–2.5 kW |
| Cooling method | Liquid cooling |
| Protection class | IP00 |
| Stator outer diameter | Ø230 mm |
| Stator inner diameter | Ø174 mm |
| Height | Approx. 80 mm |
| Mounting holes | 8-M6 |
| Compatible rotor | TM-RBS048G20 |
| Compatible drives | Mitsubishi MDS-E / MDS-EJ / MDS-DJ series |
Additional technical notes:
- Continuous rated torque is guaranteed only with the specified cooling capacity.
- The system uses backlash-free direct drive for high-precision rotary positioning.
- Mitsubishi specifies an approximate 1 mm air gap between stator and rotor during assembly.
- Lead wires include U/V/W power lines, thermistor leads (MT1/MT2), and grounding lead.
- Compatible dynamic brake torque can reach approximately 197 N·m depending on drive configuration.

