Siemens Building Technology GMA121.1U Actuator 340793-762 significantly improving readability from a

significantly improving readability from a distance

Key Benefits: Direct Replacement: Specifically engineered to replace the legacy Robertshaw 5500-135 and VSI (INF) series switches without additional modifications

technicians should ensure the actuator is perpendicular to the shaft before final torquing

protecting the motor and blower bearings

Key Benefits: Optimized for High Altitude: Factory-set at

Siemens Building Technology GMA121.1U Actuator 340793-762 significantly improving readability from aThe Siemens GMA121. 1U is a heavy duty spring return damper actuator engineered for high demand HVACR applications requiring reliable fail safe operation. Operating on 24VAC DC, this direct coupled actuator delivers a robust 62 lb in torque (7 Nm), making it an ideal choice for managing return air, mixed air, and exhaust dampers in both constant and variable air volume systems. Built with a rugged, die cast aluminum NEMA 1 housing, this unit ensures