AdpataHorns Grille-Type Hazardous Location Horn, 120 VAC, Gray

Units feature corrosion-resistant heat flowed epoxy finishes and offer low current drain They're explosion-proof, too, with high-decibel AC/DC vibrating horn signals. They're also NEMA type 4X rated and may be used outdoors (above 25F). Diode polarized versions are intended for use in hazardous locations, requiring electrical supervision circuit field wiring or unsupervised signaling applications. For use in dusty, hazardous atmospheres where a distinctive, urgent signal is required for timing, scheduling, paging, and general alarm applications.