About the Little Giant 3221W511H17A 513287 Duplex Alarm System
11 TO 16 AMPERE FUSE CLIP SIZE; 200/240/480 V VOLTAGE RATING; 60 HZ FREQUENCY RATING; 3 PHASE; NEMA 4X ENCLOSURE; 23 LB WEIGHT; MEETS CUL, UL STANDARDS; INCLUSIONS AND FEATURES 20 FT POWER CORD, AUDIBLE AND VISUAL ALARM, HOA SWITCH OFFERS EITHER HANDS OFF