To ensure effective cooling of enclosures, all components of the filter fan - from the grilles and filters to the internal components - must be taken into account in the design. The new EC diagonal modules from ebm‑papst deliver consistently high air performance and cool enclosures more evenly and energy-efficiently than traditional axial fans.

Long-lasting, next-generation EC motors
Filter fans are the proven solution for cooling enclosures, as they enable the use of filtered ambient air and thus save costs for external air conditioning units. The new EC diagonal modules from ebm‑papst offer better performance than axial solutions, are easy to install and highly energy efficient. In contrast to AC modules, EC modules are infinitely variable and require less energy thanks to efficient brushless motor technology. A significantly higher level of efficiency is achieved with the same air output. In sizes 165, 200 and 250, the new modules ensure reliable cooling with low noise levels and provide reliable protection against dust, dirt and moisture.

Diagonal instead of axial
Diagonal fans draw in air axially, but use centrifugal forces for a diagonal outflow and higher compression of the air. Despite the high compression, noise emissions remain low. This diagonal flow guarantees uniform cooling of the entire enclosure and reduces heat pockets. Unlike axial fans, which lose efficiency as resistance increases, diagonal fans deliver consistently high air performance even with higher static back pressure. In combination with filter media and protective grilles, this efficiency ensures longer maintenance intervals. The improved aerodynamics and the preguide grille (FlowGrid) significantly reduce the noise behavior of the diagonal modules even further.

Easy handling and worldwide use
The compact module design with low installation depth facilitates quick and easy installation thanks to plug & play in any installation position. In addition, the diagonal modules often require less installation space and leave more room for the electronics. They can also be integrated on both the suction and discharge sides. Thanks to efficient EC technology and a wide voltage range (100 V to 240 V), they can be used worldwide in applications that require a high air flow rate.

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