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OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power
OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power
Categories Variable Frequency Drive Inverter
Model Number: A911-3072 E0351-263-022
Certification: CE (LVD/EMC)、UL / cUL、RoHS、JIS
Place of Origin: Japan
MOQ: 1
Price: $2,800–$6,500
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Delivery Time: 3-5Workdays
Packaging Details: Original Pakage
Product Name: Static Variable Frequency Driver,Frequency Inverter
Power Supply: 3 Phase AC 380-480V, 50/60Hz
Application: CNC Machine Tool, Industrial Automation
Quality: Factory Tested, Original Replacement Parts
Shipping Term: International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge: For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
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Company Info.
Shanghai Fradwell Industrial Automation Co., Ltd.
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OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

OKUMA A911-3072, Model POS2A (E0351-263-022), is a 3-phase static variable frequency driver specially designed for OKUMA CNC machine tools. Adopting closed-loop vector control for spindle and supporting wide voltage range for global power grids, it features complete protection against overvoltage, overcurrent, overload and more, ensuring stable and reliable operation. It is mainly used for spindle drive in CNC lathes, machining centers and other equipment, making it an ideal choice for original replacement and machine maintenance.

Product Highlights
  • Original OKUMA dedicated drive, highly stable with OSP systems
  • Closed-loop vector control for spindle, with precise speed and strong cutting performance
  • Wide 3-phase voltage range, compatible with power grids in many overseas regions
  • Comprehensive protection functions for reliable operation and low failure rate
  • Standard original specification, easy for replacement and repair
  • Compact structure with forced air cooling, suitable for long-term CNC machine operation
Model and Specifications
ItemDetails
Brand & ModelOKUMA
Model: POS2A
P/N: A911-3072
Code: E0351-263-022
TypeStatic Variable Frequency Driver
Spindle Servo Drive Unit
Power Supply3 Phase AC 380-480V, 50/60Hz
Control MethodClosed-loop vector control with encoder/resolver feedback
Compatible SystemOSP 700 / 7000 / 8000 Series
ApplicationSpindle drive for OKUMA CNC lathes & machining centers
VersionV3.0
CoolingForced air cooling
Protection FunctionsOver-current, over-voltage, under-voltage, overload, overheat, short circuit protection
Application Area
  • CNC Lathe Spindle Drive
  • Machining Center Spindle Drive
  • CNC Grinding Machine Spindle Speed Control
  • Closed-loop Control for Spindle of Precision CNC Machine Tools
  • Servo Variable Frequency Drive for OKUMA OSP System
Frequently Asked Questions
Is this a general-purpose inverter?
No. It is a dedicated spindle servo drive for Okuma CNC machines, not for fans or pumps.
Can I plug and play directly?
No. You need to check version and parameters; some machines require motor matching.
How to fix AL-03 / AL-04 alarms?
AL-03 = overvoltage, AL-04 = undervoltage. Check 3-phase power, power supply unit and DC bus.
What causes AL-06 / AL-07 alarms?
Overcurrent, module failure, motor short circuit or cable grounding issue. Test insulation after power off.
What numbers should I provide for overseas orders?
Provide three codes: A911-3072, POS2A, E0351-263-022.
Can it replace other Okuma drives?
Only replaces the same POS2A model. Not compatible with MIV or BL series.
What to note for export shipping?
It is an industrial spare part. Declare as "OKUMA CNC Spindle Drive".
What are common repair parts?
Power board, drive module, IGBT, current sensor. Not recommended for customer self-repair.
Which machines does it fit?
Mainly for older Okuma lathes and machining centers with OSP700/7000/8000 systems.
Typical overseas repair lead time?
3-7 days for normal repairs; longer if parts are out of stock.
Product Tags:

OKUMA static variable frequency driver

  

3 phase power VFD inverter

  

POS2A variable frequency drive

  
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OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3 Phase Power

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