Siemens SSB61U (S55180-A151) Valve Actuator, Powermite MZ Series actuator, 24 Vac, 0 to 10 Vdc control, non-spring return. Works with MZ Series valves with 7/32-inch (5.5mm) stroke. UL listed for plenum installations, manual override with visual position indication. Provides 45 lbf (200 N) nominal force.
Actuator Type: Electronic
Actuation Style: Linear
Fail Safe: No
Control Signal: 0…10 Vdc
Ambient temperature, operation: 41…122 ºF (5…50 °C)
Ambient humidity, operation: 90 % r.h.
Supply Voltage: 24 VAC
Degree of protection: NEMA2 / IP54
Bryan Larsen –
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Thanks for the great service, it was just what I needed