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WEG CFW900 Active Front-End Variable Speed Drive
Model: CFW900
4-hour response · Pricing in SAR · Delivery across all KSA regions
CFW900 — WEG CFW900 Active Front-End Variable Speed Drive
The WEG CFW900 Active Front-End Variable Speed Drive represents the pinnacle of WEG's frequency inverter technology, incorporating an active IGBT-based rectifier front end that delivers near-unity power factor (>0.99) and true four-quadrant operation. This architecture eliminates the harmonic distortion typical of conventional six-pulse diode-bridge drives, producing THDi below 5% without external harmonic filters — making the CFW900 the correct specification for facilities with strict power quality requirements such as ARAMCO gas plants, SABIC petrochemical complexes, SEC substation-fed industrial facilities, and data centres across Saudi Arabia where IEEE 519 and Saudi SASO power quality standards must be maintained.
The CFW900 covers 90 kW to 3,000 kW at 380–690 V three-phase and supports all WEG control modes through its advanced field-oriented controller. The active front end provides genuine regenerative capability, returning braking energy to the AC supply rather than dissipating it in resistors — a measurable operational cost saving for applications with frequent deceleration cycles such as hoists, downhill conveyors, and test benches. The drive's power cells can be paralleled for higher current ratings, and the modular hot-swap power unit design means a faulty cell can be replaced in under 10 minutes without taking the complete drive offline. Operating temperature is rated to 50°C with forced cooling, compatible with Saudi Arabia's most demanding ambient conditions.
Engineering procurement teams at ARAMCO, SABIC, MARAFIQ, and SEC specify the CFW900 for critical applications where harmonics cause interference with instrumentation, telecommunications, and adjacent sensitive loads — a common problem in dense industrial facilities at Jubail and Yanbu Industrial Cities. The drive's near-unity power factor eliminates reactive power charges from SEC utility bills, delivering financial savings that often justify the premium over standard diode-bridge drives within two to three years of operation. Vision 2030 industrial projects with energy efficiency mandates and power quality benchmarks increasingly specify active-front-end drives, making the CFW900 a future-proof investment.
Razz Middle East works with ARAMCO and SABIC approved engineering contractors to supply, install, and commission CFW900 drives on major project specifications. We provide detailed harmonic analysis studies and power quality simulation reports as part of our pre-sales technical service. Lead times and SAR pricing are confirmed at enquiry stage, with clear delivery commitments aligned to project schedules. Our WEG-certified engineers provide full drive commissioning, loop testing, and handover documentation compliant with ARAMCO and SABIC quality requirements.
Technical Specifications
Full specifications for the CFW900
- Power Range
- 90–3000 kW
- Voltage
- 380–690 V three-phase
- Power Factor
- >0.99 (leading/lagging)
- THDi
- <5% (no external filter)
- Control
- Field-Oriented Vector
- Enclosure
- IP20–IP54
- Ambient Temperature
- Up to 50°C
- Four-Quadrant
- Full regenerative operation
Key Features & Benefits
- Active IGBT rectifier delivers power factor >0.99 and THDi <5%, eliminating reactive power penalties and harmonic distortion without external filters.
- Full four-quadrant regenerative operation returns braking energy to the AC supply, reducing energy costs on hoists, downhill conveyors, and test bench applications.
- Modular hot-swap power cell design allows faulty cell replacement in under 10 minutes without taking the entire drive offline, maximising process availability.
- Power cells can be paralleled to achieve higher current ratings without changing the control architecture, providing a scalable solution for future capacity expansion.
- Meets IEEE 519 and Saudi SASO power quality standards without external harmonic mitigation, simplifying installation in sensitive industrial facilities.
- 50°C ambient operation with forced air cooling compatible with Saudi Arabia's most demanding industrial environments without derating.
Industrial Applications in Saudi Arabia
- Critical pump and compressor drives at ARAMCO gas processing facilities where IEEE 519 harmonic limits must be maintained without external filter costs.
- Large motor drives at SABIC petrochemical plants where unity power factor eliminates reactive power charges from SEC utility billing.
- Hoist and crane drives in heavy industrial facilities where regenerative braking returns significant energy to the supply during load lowering cycles.
- Data centre mechanical systems where active harmonic filtering protects sensitive UPS and IT equipment from supply distortion.
- Test bench and dynamometer drives requiring true four-quadrant operation and precise torque control in both motoring and generating modes.
- Downhill conveyor drives in mining and cement plants where gravity-assisted loads generate continuous regenerative power recoverable to the grid.
Industrial Supplier in Saudi Arabia
Get a Quote for the WEG CFW900 Active Front-End Variable Speed Drive
We respond within 4 business hours. Send model CFW900 for competitive pricing in SAR with delivery across Saudi Arabia and the GCC.
Frequently Asked Questions — CFW900
Common questions from buyers in Saudi Arabia and the GCC