Siemens Building Technology SAX81.03U Actuator 322838-752 this 1/3 HP blower assembly

this 1/3 HP blower assembly features a 10" x 6" blower wheel and a robust 3-speed motor to maintain static pressure and system equilibrium

Built with a 42Y NEMA frame and an Open Air Over (OAO) enclosure

this is a 208-230V motor specifically

ensuring consistent wall thickness and optimal tolerances for 1-1/4" nominal (1-3/8" OD) tubing

Engineers often specify the MP-424 as a direct replacement for Barber Colman EA-51

Siemens Building Technology SAX81.03U Actuator 322838-752 this 1/3 HP blower assemblyThe Siemens SAX81. 03U Actuator is a field proven electromotoric valve actuator engineered for precise floating control in commercial HVAC systems. This non spring return actuator is purpose built for Siemens Flowrite 599 Series and flanged pressure independent control valves with a 3 4 inch (20 mm) stroke. Operating on a versatile 24Vac Vdc supply, it delivers a robust 800 N (180 lb) positioning force, ensuring reliable performance in hot water,