Siemens SFA11U, Zone Valve Electronic Actuator, SF Series electronic zone valve actuator, 120 Vac, normally closed, 2-position, 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
Positioning time: 10 s
Power consumption: 9.8 VA
Mounting position: NEMA 1 (interior only)
Ambient temperature, operation: 1…50 °C
Ambient humidity, operation: 0% to 90% rh (non-condensing)
Operating voltage: 19.2…28.2 V24 V#AC
Supply Voltage: 120 VAC
Stroke: 2.5 mm
Cable length: 2.5 m
Degree of protection: IP54
Dimensions (W x H x D): 4.4 x 3.4 x 2.3 in
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