1. Basic Product Information

• MXN: DC-bus input spindle drive designed for shared DC bus system, matching MR5N/MRXN regenerative rectifier unit; suffix N means built‑in 24VDC auxiliary control power supply

• 25 = 200V input voltage class; P5 = 5.5kW rated motor capacity

  Application: CNC machining centers & CNC lathes; powered by common DC bus from regenerative power units, drives 5.5kW machine tool spindle motors, supports spindle orientation & automatic tool change for NC systems

  Production Status: Original OEM production discontinued; only surplus new-old-stock and refurbished units available for legacy CNC equipment maintenance replacement.

2. Electrical Specifications

DC Main Input (From Shared Common DC Bus)

• Rated DC input voltage: DC270V ~ DC325V

• Continuous rated DC input current: 19A

3‑Phase AC Motor Output

• Output voltage range: 0 ~ 3‑Phase AC230V

• Rated output power: 5.5kW, rated output current: 28A

• Output frequency range: 0 ~ 1000Hz, suitable for high‑speed built‑in spindle motors

• Control mode: Full digital closed-loop vector control with encoder feedback

Auxiliary Power Supply

3. Mechanical & Ambient Ratings

• Net weight: 3.7kg

• Cooling method: Built‑in axial fan forced air cooling

• Operating ambient temperature: 0℃ ~ +40℃; storage temperature: -20℃ ~ +60℃

• Ambient humidity: 5% ~ 95%RH non‑condensing; indoor cabinet wall-mounted installation, no corrosive gas or conductive dust allowed

• Ingress protection: IP20

4. Core Product Features

1. Common DC Bus Design: Multiple MXN spindle drives share one MRXN regenerative converter; spindle braking energy is fed back to mains grid directly, eliminating external braking resistors.

2. Four‑quadrant Operation: Realizes regenerative energy feedback to AC power grid during spindle deceleration, reduces cabinet heat generation.

3. NC Communication Ready: Standard RS422 serial communication port, compatible with legacy FANUC and Mitsubishi CNC systems for spindle closed‑loop control.

4. Comprehensive Protection Functions: Overcurrent, overvoltage, undervoltage, input phase loss, heatsink overheat, motor overload and encoder fault protection; spare fault relay dry contact output for CNC interlock emergency stop signal.

5. Alternative Replacement Options

• Direct pin-to-pin replacement: CIMR-M5N25P5 (same power rating and mounting dimension)

• New upgrade combination: Yaskawa D1000 regenerative converter + V1000 200V 5.5kW inverter for machine retrofitting.