WEG CFW500 Micro Variable Speed Drive

The WEG CFW500 Micro Variable Speed Drive is a compact, high-performance frequency inverter covering the power range of 0.18 kW to 22 kW at 220–240 V single-phase and three-phase, and up to 22 kW at 380–480 V three-phase. Designed for space-constrained installations, the CFW500 finds widespread use across Saudi Arabia's industrial and commercial sectors — from small water pumps in residential compounds to conveyor drives in food processing factories in Jeddah and light-duty fans in HVAC systems serving commercial towers in Riyadh. Its plug-in I/O expansion modules, communication modules, and encoder interface cards allow the drive to scale from a basic open-loop speed controller to a full closed-loop vector drive without changing the base hardware, making it a genuinely flexible platform for system integrators.

The CFW500 features V/F, VVW (WEG's voltage-vector control), and sensorless vector control modes, covering the full spectrum from simple fan duties to demanding pump and conveyor applications. The built-in PID controller enables direct closed-loop pressure or flow control without an external controller. Standard protection features include electronic thermal overload (IEC 60947-4-1 compliant), input phase loss, output phase loss, undervoltage, overvoltage, and overheat, all meeting IEC 61800-5-1 safety requirements. IP20 and IP55 versions are available, and the drive operates up to 50°C ambient with no derating — critical for Saudi Arabia's summer conditions. The CFW500 is CE and UL listed, and meets IEC 61000-3-12 harmonic limits with an optional input reactor.

Saudi Arabia's industrial contractors have embraced the CFW500 for its Brazilian-engineered build quality at a price point significantly below European brands. WEG's proven track record with ARAMCO contractors, SABIC subcontractors, and NWC (National Water Company) approved installers means specifying the CFW500 carries no procurement risk. The drive's wide ambient temperature tolerance and resistance to dusty environments — verified to IP55 in its enclosed version — make it suitable for installation in the Kingdom's open-air pump stations and rooftop plant rooms without additional enclosure costs. Energy savings of 30–50% on pump and fan applications versus direct-on-line starters are routinely demonstrated in NWC water network upgrade projects.

Razz Middle East maintains stock of the CFW500 across the most common frame sizes and power ratings, with delivery to Riyadh, Jeddah, Dammam, Al Khobar, Jubail, and Yanbu achievable within 2–5 working days. Our team provides SAR-quoted pricing, technical pre-sales support, commissioning assistance, and warranty service in-kingdom. Contact Razz Middle East for a same-day quotation and access to WEG's comprehensive spare parts and accessories inventory held locally in Saudi Arabia.