878DEX/879DEX/888D & 889D

Edwards Signaling 878DEX, 879DEX, 888D and 889D Series are diode polarized, heavy-duty, high decibel, vibrating horn signals. They are intended for use in hazardous locations requiring electrical supervision of signaling circuit field wiring. For non-fire alarm applications, horns have a NEMA type 4X rating and may be used outdoors (recommended above temperatures of +25F). Two mounting brackets are provided on either side of the unit for wall mounting. The housing is tapped on one side for 3/4" (19mm) conduit to allow for field wiring installation. For use in dusty, hazardous atmospheres where a distinctive, urgent signal is required. Typical applications include use in mines, petroleum plants, gas plants, grain elevators, flour mills, paper mills, textile plants and tankers.

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4 items