Siemens 18Nm GCA Series Fail Safe Damper Actuators GCA Series:GCA121.1E – 18Nm 24V 2-Position Spring Return • Nominal voltage: TR24 Range

• Nominal voltage: TR24 Range - AC/DC 24V

Prevents tampering with settings

one reverse acting on terminal 7 and two direct acting on terminals 8 & 9

• Used for 3 Way

An output voltage of 0-5vdc corresponding to 0-50C is available at terminal 6

Siemens 18Nm GCA Series Fail Safe Damper Actuators GCA Series:GCA121.1E – 18Nm 24V 2-Position Spring Return • Nominal voltage: TR24 RangeSiemens Electronic motor driven actuators for two position, three position, and modulating control. Nominal torque 18 Nm, with spring return, self centering shaft adapter Mechanically adjustable span between 0 90 Prewired with 0. 9 m long connection cables. Type specific variations with adjustable offset and span for the positioning signal, position indicator, feedback potentiometer and adjustable auxiliary switches for supplementary functions. For