Siemens SSA61U (S55180-A157) Valve Actuator

Siemens SSA61U (S55180-A157) Valve Actuator, SSA Series electronic zone valve actuator, 24 Vac, normally closed, 0 to 10 Vdc control signal. 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: 0…10 Vdc Positioning signal: 0 to 10 V Positioning time: 34 s Power consumption: 2.5 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