Federal Signal 31X-120-3 Horn 120VAC explosion-proof GLO-B171361

THESE FEDERAL SIGNAL EXPLOSION-PROOF VIBRATING HORNS ARE CONSTRUCTED FOR SAFE USE IN HAZARDOUS ENVIRONMENTS. THEY ARE ENCLOSED IN HEAVY-DUTY COPPER-FREE CAST ALUMINUM HOUSINGS TAPPED FOR 3/4 - INCH CONDUIT. FEDERAL SIGNAL MODEL 31X IS CORROSION- VIBRATING HORN WITH STAINLESS STEEL DIAPHRAGM. THE MODEL 31X IS 120VAC AND FEATURES AN INTERNAL VOLUME CONTROL. THE 31X MODEL IS UL AND CUL LISTED FOR CLASS I DIVISION 1 GROUPS C & D; CLASS II DIVISION 1 GROUPS E F AND G; AND CLASS III. BOTH ARE CSA (CANADIAN STANDARDS ASSOCIATION) CERTIFIED. A FIVE MINUTE DUTY CYCLE APPLIES TO BOTH MODELS. 5 YEAR LIMITED WARRANTY.