Honeywell MS4609F1010?áFast Acting Two Position Fire and Smoke Actuator, 230Vac, 30 Lb-In Torque, Spring Return, Reversible Mounting for Clockwise or Counter Clockwise Spring Rotation, 0-130 Degree Ambient Temperature Rating, 5-95% RH Humidity Rating, 1/2" Round Shaft Adapter Mounting

MS4609F1010 is the direct replacement for MS4809F1012