EXPLOSION SAFETY B MOTOR FOR USE IN EXPLOSIVE ATMOSPHERES
uilding on the renowned W22Xdb series, the W51Xdb retains its predecessor’s flexibility while delivering several crucial innovations. At its core, the W51Xdb offers the highest power density in its class, making it possible to generate more power in a smaller, lighter machine. This advancement helps address the growing need for compact, space-efficient equipment in industries where space is a premium. “We designed the W51Xdb to meet both the current and future needs of our customers,” says João Cardante, sales and marketing director at WEG Portugal. “With its high density and energy efficiency, the motor is tailored to support global energy transition goals by offering a product that is ready today but designed for tomorrow.”
KEY FEATURES OF THE W51XDB MOTOR Offering the highest power density on the market, the W51Xdb features a compact design that delivers up to 800 kilowatts (kW) in a frame smaller than the market standard, allowing for more efficient use of space in applications such as pumps, compressors and fans. It is also up to 20 per cent lighter than previous models, providing additional flexibility for installations. Offered as standard with IE4 — the highest efficiency level defined by IEC/EN 60034-30-3, the first global standard for classifying the energy efficiency of high-voltage induction motors — the W51Xdb exceeds current regulatory requirements and is future-ready for upcoming legislation. While this standard does not mandate customers to specify motors with a particular efficiency level, as this is governed by regional regulations, it is anticipated that the EU will soon introduce minimum efficiency requirements for HV motors.
“At WEG, we are deeply committed to helping customers maximise energy efficiency in their motors,” says Cardante. “Although flameproof motors are currently excluded from this new standard, the W51Xdb line has been engineered to meet or exceed the highest efficiency levels outlined within it.”
The W51Xdb supports the industry’s drive towards a net-zero future by reducing energy consumption and helping companies meet their carbon reduction goals faster. Because the motor is built for explosive atmospheres and compatible with environments such as Zone 1 and Zone 2, this makes the unit ideal for petrochemical, chemical, oil and gas and hydrogen applications. In addition, the W51Xdb series is designed with manufacturing efficiency in mind, reducing lead times by up to four weeks compared to previous models.
DESIGNED FOR HIGH-PERFORMANCE INDUSTRIAL USE The motor is currently available in frame sizes of 355 and 400, with a maximum
output of 800 kW. WEG plans to gradually expand the range of frame sizes available, further enhancing the motor’s versatility and applications. With over 90 units in high-voltage format already sold, even before its official release, the W51Xdb has been eagerly adopted by key industries, particularly in the Middle East. The initial applications focus on high-demand projects involving pumps, compressors and other high-power machinery. The official global launch will take place at ADIPEC 2024 in Abu Dhabi, one of the world’s largest and most influential energy exhibitions, and also at SPS, a leading international event for industrial automation held in Nuremberg, Germany.
“The W51Xdb is a testament to WEG’s commitment to continuous improvement and innovation in motor technology,” adds Cardante. “Its launch is expected to set a new industry benchmark for efficiency, sustainability and performance.”
WEG
www.weg.net
24 SUMMER 2025 | INDUSTRIAL COMPLIANCE
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