Siemens SSD81.5U (S55180-A153) Valve Actuator

Siemens SSD81.5U Valve Actuator, SSD Series Electronic Valve Actuator, 3-position (floating), spring return. Actuator Type: Electronic Actuation Style: Linear Fail Safe: No Control Signal: Floating control Ambient temperature, operation: 41…122 ºF (5…50 °C) Ambient humidity, operation: 85 % r.h. Supply Voltage: 24 VAC Degree of protection: NEMA1 Dimensions (W x H x D): 5.51 x 3.8 x 1.89 in