Prevention & protection

Prevention & protection

File prevention and protection terms.

Industry: Fire safety

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Prevention & protection

Metal-enclosed power switchgear

Fire safety; Prevention & protection

A switchgear assembly completely enclosed on all sides and top with sheet metal (except for ventilating openings and inspection windows) and containing primary power circuit switching, interrupting ...

Rotational switch

Fire safety; Prevention & protection

A switch that usually is driven directly by the fan wheel or fan motor shaft and in which a switch contact closes when the speed of the fan shaft or drive motor reaches a certain predetermined rate.

Momentary switch

Fire safety; Prevention & protection

A switch that returns to the neutral position (off) when released.

Differential flow switch

Fire safety; Prevention & protection

A switch that is activated by the flow of a gaseous or liquid fluid. This flow is detected by measuring pressure at two different points to produce a pressure differential across the sensor.