Siemens SSD61.5U (S55180-A155) Valve Actuator

Siemens SSD61.5U (S55180-A155) Valve Actuator, SSD Series Electronic Valve Actuator, 0-10V, spring return Actuator Type: Electronic Actuation Style: Linear Fail Safe: Yes, Spring Return Control Signal: 0…10 Vdc 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