Siemens Combustion SQM50.461R1Z3 Actuator 321894-706 Standardized Integration: The 1k ohm

Standardized Integration: The 1k ohm nickel RTD curve is widely compatible with most Johnson Controls and third-party controllers utilizing a 1000-ohm reference

Open-on-Rise Logic: Precise high-limit protection ensures circuit interruption at critical setpoints

Internal Thermal Protection: Features automatic reset thermal overload protection to prevent winding failure during high-head pressure scenarios

ideally near the chiller pad or potential leak points

factory-authorized solution for heavy-duty commercial HVAC maintenance and high-capacity residential retrofits

Siemens Combustion SQM50.461R1Z3 Actuator 321894-706 Standardized Integration: The 1k ohmThe Siemens SQM50. 461R1Z3 Actuator is a high precision, reversing damper motor engineered for the demanding requirements of industrial burner systems and air fuel ratio management. Operating on 110V AC, this modulating actuator delivers a consistent 140 lb in torque (15 Nm) with a 25 second running time for 90 degree rotation at 60Hz. It serves as a critical component for positioning flow control valves, butterfly valves, and dampers in medium to