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Shanghai Fradwell Industrial Automation Co., Ltd.

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

  1. China OKUMA A911-3072 Model POS2A E0351-263-022 Static Variable Frequency Drivers 3

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

  1. MOQ: 1
  2. Price: $2,800–$6,500
  3. Get Latest Price
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
Model Number A911-3072 E0351-263-022
Certification CE (LVD/EMC)、UL / cUL、RoHS、JIS
Place of Origin Japan

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  1. Product Details
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Product Specification

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 Model Number A911-3072 E0351-263-022
Certification CE (LVD/EMC)、UL / cUL、RoHS、JIS Place of Origin Japan
High Light OKUMA static variable frequency driver3 phase power VFD inverterPOS2A variable frequency drive
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
Item Details
Brand & Model OKUMA
Model: POS2A
P/N: A911-3072
Code: E0351-263-022
Type Static Variable Frequency Driver
Spindle Servo Drive Unit
Power Supply 3 Phase AC 380-480V, 50/60Hz
Control Method Closed-loop vector control with encoder/resolver feedback
Compatible System OSP 700 / 7000 / 8000 Series
Application Spindle drive for OKUMA CNC lathes & machining centers
Version V3.0
Cooling Forced air cooling
Protection Functions Over-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.

Company Details

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  • Shanghai Fradwell Industrial Automation Co., Ltd.
  • No. 168, Chengnan Road, Pudong New Area, 201399 Shanghai, China
  • https://www.industrial-automationcontrol.com/

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