ROTARY TYPE; 50/60 HZ FREQUENCY RATING; UL, CSA, CE EN 55011, CE EN 50082-2 APPROVAL; VALVE, DAMPER APPLICATION; 120 V VOLTAGE RATING; NEMA 3 ENCLOSURE; DIE CAST ALUMINUM BODY MATERIAL; 20 VA POWER RATING; -40 TO 150 DEG F OPERATING TEMPERATURE