Siemens SSA81U Valve Actuator, SSA Series electronic zone valve actuator, 24 Vac, normally closed, 3-Position. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. Comes with a 2.5-meter cable. UL listed for plenum installations, manual override.
Actuator Type: Electronic
Control Signal: Floating control
Positioning signal:3-position, floating
Positioning time: 150 s
Power consumption: 0.8 VA
Ambient temperature, operation: 1…110 °C
Supply Voltage: 24 VAC
Stroke: 2.5 mm
Cable length: 2.5 m
Degree of protection: NEMA1 / IP54
Dimensions (W x H x D): 3.3 x 3.25 x 1.88 in
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