ms4dSchneider Electric MS4D-8033-100 : Spring Return Damper Actuator (CW Spring), 30 in-lb Torque, 24 VACDC, 2SCHNEIDER ELECTRIC MS4D-7033-100 Electric Actuator, 24V, 2 To 10Vdc, For Vs-2213-821-9-4 ; Item: CU2BAJ ; Model: MS4D-7033