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Siemens 3G-OTH-67239Technical Specifications

The Siemens GKD226.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It operates as an on/off, spring return unit with 80 lb-in torque, accepts a 1/2" to 1" round shaft, and requires a 120V AC input. The actuator is plenum rated, hardwired, and includes two auxiliary switches for output signaling.

Technical Specifications

ParameterValue
AC120V
TypeOn/Off, Spring Return, 80 lb-in, NEMA 1 / IP40
BrandSIEMENS
Shaft Type1/2" to 1" Round
Input Voltage120V AC
Output Signal2 Auxiliary Switch
Plenum RatingPlenum Rated
Manufacturer Part NumberGKD226.1U
Auxiliary Switch IncludedYes
Electrical Connection TypeHardwired