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The Mitsubishi MDS-E-CV-110 is a CNC power supply / converter unit from Mitsubishi Electric’s MDS-E series, used as the main DC bus power source for spindle and servo drive modules in CNC machine tools.
It is not a motor or spindle drive, but the central power supply unit of the CNC drive system.
Key Specifications (MDS-E-CV-110)
Specification
Value
Series
MDS-E Series
Type
Power Supply / Converter Unit
System Role
DC link power supply for spindle & servo drives
Rated Power Capacity
11 kW (continuous class)
Maximum Output Capacity
39 kW (short-time peak class)
Input Voltage
3-phase 200–230 V AC
Input Current
~35 A
Output Voltage
~270–311 V DC
Control Power Supply
200–240 V AC
Frequency
50/60 Hz
Cooling Method
Forced air cooling
Protection Rating
IP20 (cabinet type)
Mass
~5.6 kg
📌 Source: Mitsubishi Electric MDS-E series specification tables and CNC system manuals list CV-110 as an 11 kW class power supply unit with ~39 kW peak capacity and DC bus output for drive modules.
What it does
The MDS-E-CV-110 acts as the main power backbone of a CNC system:
AC Input → CV-110 → DC Bus (~300V DC) → SP / SP2 spindle drives + servo drives
So it supplies and stabilizes power for:
spindle amplifiers (SP series)
dual spindle drives (SP2 series)
servo amplifiers
Features
Central DC power generation unit for CNC drives
Stable DC bus supply for multiple axes
Supports regenerative energy handling (machine braking energy)
