Damper Actuator, 24 VAC VDC, Proportional [0(2)..10 VDC] with Position Feedback and Signal Inversion, Spring Return, 1 Control_Flotante Rated voltage : 100 277 VAC Rango de Presion:0 a 1" w.c. Rated voltage : 100 277 VAC 50 60 Hz COLLAR 1 4 DIN HOUSING M CE UL and cUL Listed 24 VAC VDC