Siemens SFA71U, Zone Valve Electronic Actuator, SF Series electronic zone valve actuator, 24 Vac, normally closed, 2-position, with spring return. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. UL listed for plenum installations, manual override.
Actuator Type: Electronic
Fail Safe: Yes
Control Signal: 2-position
Supply Voltage: 24 VAC
Positioning time: 10 s
Power consumption: 9.8 VA
Ambient temperature: 1…50 °C
Ambient humidity: 0% to 90% rh (non-condensing)
Stroke: 2.5 mm
Cable length: 2.5 m
Mounting position: NEMA 1 (interior only)
Degree of protection: IP54
Dimensions (W x H x D): 4.4 x 3.4 x 2.3 in
David Marks –
I can’t think of a better actuator for zone applications.
Mark C –
My experience ordering was perfect. The delivery was fast.
Ben –
Just received my valve actuators and couldn’t be happier. The whole process was seamless, from the easy ordering to the super fast delivery. Highly recommend!