Siemens SAY81.03U Valve Actuator, SAY Non-spring Return (NSR), Electronic Valve Actuator requires a 24 Vac supply to provide three-position control of a valve.
Fail Safe: No
Control signal: Floating
Ambient temperature: -5…55 °C; 23…131 ºF
Ambient humidity: 95 % r.h.
Supply Voltage: 24 VAC
Degree of protection: IP54
Dimensions (W x H x D): 4.88 x 9.53 x 5.91 in
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