Power distribution within demanding multi-axis CNC machine tools is managed directly by the Mitsubishi Electric MDS-DH-CV-370, a high-capacity MDS-DH Series Power Supply Unit. Engineered for the 400V AC class architecture, this converter unit rectifies incoming 3-phase utility power into a stable DC bus voltage to feed coordinate servo drives and high-speed spindle amplifiers. With a robust 30.0kW continuous rated output and a 37.0kW 30-minute transient peak capacity, it ensures reliable energy delivery under severe dynamic loading and rapid deceleration cycles.
| Manufacturer | Mitsubishi Electric |
| Model Number | MDS-DH-CV-370 |
| Series | MDS-DH Series |
| Input Voltage Class | 400V Class |
| Continuous Rated Output | 30.0 kW |
| 30-Minute Rated Output | 37.0 kW |
| Power Facility Capacity | 53 kVA |
| Unit Width | 150 mm |
| Compatible AC Reactor | DH-AL-37K |
| Compatible Contactor | S-T65-AC400V |
| Compatible Circuit Protector | 32 K |
| Net Weight | 10.0 kg |
| Shipping Weight | 12.0 kg |
| Terminal / Connector | Function / Circuit Assignment |
|---|---|
| L1, L2, L3 | 3-Phase 400V AC Input Terminals (via AC Reactor & Magnetic Contactor) |
| L+, L- | High-Voltage DC Bus Output to Drive Modules |
| CN1A / CN1B | System Communication Bus Links (Daisy-chain to CNC / Drives) |
| PE (Ground) | Protective Earth Ground Connection |
The MDS-DH-CV-370 is designed exclusively for 400V class MDS-DH systems and cannot be interchanged with 200V class MDS-D-CV systems. It requires compatible firmware integration matching the connected host CNC system (such as M700/M800 or M70/M80 controllers). When replacing older revisions, verify the total drive load matching parameters to ensure the sum of the connected servo and spindle ratings does not exceed the 53 kVA system capacity.
Under heavy deceleration cycles of high-inertia spindle motors, the system relies on line regeneration to dissipate energy back into the network. This process absolutely requires the installation of the matching DH-AL-37K AC reactor. Omitting this reactor or substituting a generic alternative will lead to severe overvoltage (F1 ALM) errors, degradation of internal capacitor banks, and potential thermal breakdown of the input rectifying diodes.
Ensure that control power cable routing is physically isolated from the high-voltage DC bus (L+/L-) and AC input lines to minimize EMI noise. Connect the daisy-chained CNC communication bus using high-performance shielded cables, ensuring proper termination at both ends. Verify that the MC (Magnetic Contactor) feedback circuit is properly integrated into the emergency stop loop to safely interrupt AC supply power in the event of an internal system fault.
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Returns & Warranty
Manufacturer: Mitsubishi Electric
Product No.: MDS-DH-CV-370
Country of origin:United States
Product Type: Power Supply Units
Payment: T/T, Western Union
Weight: 12000g
Shipping port: Xiamen
Warranty: 12 months
Power distribution within demanding multi-axis CNC machine tools is managed directly by the Mitsubishi Electric MDS-DH-CV-370, a high-capacity MDS-DH Series Power Supply Unit. Engineered for the 400V AC class architecture, this converter unit rectifies incoming 3-phase utility power into a stable DC bus voltage to feed coordinate servo drives and high-speed spindle amplifiers. With a robust 30.0kW continuous rated output and a 37.0kW 30-minute transient peak capacity, it ensures reliable energy delivery under severe dynamic loading and rapid deceleration cycles.
| Manufacturer | Mitsubishi Electric |
| Model Number | MDS-DH-CV-370 |
| Series | MDS-DH Series |
| Input Voltage Class | 400V Class |
| Continuous Rated Output | 30.0 kW |
| 30-Minute Rated Output | 37.0 kW |
| Power Facility Capacity | 53 kVA |
| Unit Width | 150 mm |
| Compatible AC Reactor | DH-AL-37K |
| Compatible Contactor | S-T65-AC400V |
| Compatible Circuit Protector | 32 K |
| Net Weight | 10.0 kg |
| Shipping Weight | 12.0 kg |
| Terminal / Connector | Function / Circuit Assignment |
|---|---|
| L1, L2, L3 | 3-Phase 400V AC Input Terminals (via AC Reactor & Magnetic Contactor) |
| L+, L- | High-Voltage DC Bus Output to Drive Modules |
| CN1A / CN1B | System Communication Bus Links (Daisy-chain to CNC / Drives) |
| PE (Ground) | Protective Earth Ground Connection |
The MDS-DH-CV-370 is designed exclusively for 400V class MDS-DH systems and cannot be interchanged with 200V class MDS-D-CV systems. It requires compatible firmware integration matching the connected host CNC system (such as M700/M800 or M70/M80 controllers). When replacing older revisions, verify the total drive load matching parameters to ensure the sum of the connected servo and spindle ratings does not exceed the 53 kVA system capacity.
Under heavy deceleration cycles of high-inertia spindle motors, the system relies on line regeneration to dissipate energy back into the network. This process absolutely requires the installation of the matching DH-AL-37K AC reactor. Omitting this reactor or substituting a generic alternative will lead to severe overvoltage (F1 ALM) errors, degradation of internal capacitor banks, and potential thermal breakdown of the input rectifying diodes.
Ensure that control power cable routing is physically isolated from the high-voltage DC bus (L+/L-) and AC input lines to minimize EMI noise. Connect the daisy-chained CNC communication bus using high-performance shielded cables, ensuring proper termination at both ends. Verify that the MC (Magnetic Contactor) feedback circuit is properly integrated into the emergency stop loop to safely interrupt AC supply power in the event of an internal system fault.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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