|The Federal Signal
explosionproof resonating horn is constructed for safe use in
hazardous environments. It is enclosed in a heavy duty die cast
aluminum housing which is tapped for 3/4" conduit.
Federal Signal Model 55X is a resonating electric horn which
produces sound by means of a diaphragm which resonates a column
of air. The model 55X is available in 120VAC.
The 55X is UL Listed for Class I, Division I, Groups C &D;
Class I, Division II, Groups C & D; Class II, Division I, Groups
E, F & G; And Class III. A five minute duty cycle applies.
The resonating explosion proof horn is designed for
locations where the danger of explosion or fire exists, such as
refineries, laboratories, mines and grain elevators.