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Arun Components has extended the Activa range of fans with special monitoring functions, with AC fans with frame sizes of 92mm or 120mm square or circular 254mm available.

The fans feature rotation detection, which produces a continuous signal (or its inverse) when the fan is operating.

The square-framed fans also have a function generator output option, where a square wave function is generated and can be interfaced to the user’s monitoring system by an open collector output.

Activa fans range in size from 15mm square to 630mm in diameter and are available in different voltage ratings (both AC and DC), different air flow speeds and with ball-sleeve or mixed bearings.

Activa also manufactures a range of AC/DC cross-flow and centrifugal fans.

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