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РусскийLiquid Cooled VFD Cabinet, AS720
AS720 series liquid cooled VFD adopts STEP's mature platform of VFDs. The radiator of the general VFD is replaced with a cold plate cooled by refrigerant, which greatly reduces the size of the VFD while saving the cost. The power of cold plate VFD covers a range from110kW to 710kW.
Features
- Refrigerant cooling, with anti-condensation function;
- Small size, high power density;
- Protection grade of IP54, IP55 (optional);
- Built-in cooling system, up to 55℃ without derating;
- Supporting direct-drive permanent magnet synchronous motor, high frequency output;
- Applicable to centrifugal chiller, screw chiller and magnetic levitation chiller;
- Power range 110-710kW;
Specifications
| Size (W*H*D)(mm) | Protection grade | Operating temperature (without derating) | Max. output frequency (Hz) | Max. carrier frequency (Hz) | |
| 1st generation | 250kw~450kw:1300*1000*400 | IP22/IP54 | -10~45℃ | 650 | 6K |
| 500kw~710kw:1800*1500*650 | |||||
| 2nd generation | 110kw~280kw：1000*900*400 | IP55 | -10~55℃ | 1000 | 8K |
| 315kw~450kw：1200*900*400 | |||||
| 500kw~710kw:1500*1200*600 |
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